JORDAHL FIXING TECHNOLOGY

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1 JORDAHL Anchor Channels and Accessories Deutsche Kahneisen Gesellschaft mbh Internet

2 JORDAHL Anchor Channels and Accessories JORDAHL JORDAHL provide a comprehensive range of channels for safe and secure anchoring of loads into reinforced concrete. JORDAHL solutions are user friendly and tested. JORDAHL provide the right solutions for your fastening problem; safely, quickly and reliably. Any building construction requires well-proven solutions for fastening methods: for joining components together, for suspending loads or for fastening installations. Regardless of the area of application the decisive criteria for selecting a fastening system are quality and safety. We at JORDAHL are here to ensure only the right information is offered to the problem in hand. Quality JORDAHL Company and products are subjected to strict quality assurance according to DIN EN ISO Therefore, the quality of consultation, development, and production are ensured. JORDAHL products are manufactured from mild steel and stainless steel. Mild steel grades S 235 JR or S 275 JR acc. to DIN EN and stainless steel / acc. to DIN EN are used. Mild steel finishes are available in rolled bright, zinc coated or hot dipped galvanized. JORDAHL astening System Deutsche Kahneisen Gesellschaft was founded in Berlin in Since then it has established a company, which under the trade mark JORDAHL astening Systems, is active on the international market and has a large clientele. The main products include a comprehensive range of channels (cast-in an framing), brickwork support brackets, profiled metal sheet fixing and installation fasteners. Comprehensive accessories complement each product. Constant research and development make it possible for the products to be adapted to the latest state of art. With regard to certain products, special designs can be developed to suit project needs. Please consult with the technical department. JORDAHL Channels JORDAHL offers a Channel system suitable for all applications of building construction an civil engineering. This catalogue introduces the following JORDAHL products: JTA channels applications include for brickwork/ pre-cast concrete restraint/ support details JZA toothed channels to withstand tensile forces in the longitudinal channel direction Profiled metal sheet fixing JORDAHL installation products for special applications such as: elevator construction, prefabricated concrete construction, balcony restoration and fastening balcony railings JORDAHL framing channels with comprehensive accessory package for all areas of loaded suspensions and installation projects JORDAHL Accessories JORDAHL have an extensive range of accessories for all channels. Combined with further accessory parts from the JORDAHL product range almost every problem concerning fastening systems can be solved simply and effectively. JORDAHL accessories ensure: perfect coordination with the JORDAHL Channel range material finish to suit corrosion protection tested quality, exact fitting and efficiency JORDAHL Reinforcement System JORDAHL range of reinforcement continuity connection and reinforcement bars makes our program for reinforced concrete construction complete. Service JORDAHL technical department offers comprehensive service: efficient response to technical queries brickwordk design packages economic planning with due regard to costs development of special solutions Head Office: Deutsche Kahneisen Gesellschaft mbh Nobelstrasse Berlin Telephone: 030/ Telefax numbers: Secretarial office: 030/ Technical office: 030/ Sales office: 030/ info@jordahl.de

3 JORDAHL JORDAHL Anchor Channels and Accessories Contents Basic Methods Overview 2 Application and Planning 4 Material and Corrosion Protection 5 Assembly 6 Surface/ Offset Assembly 7 Loads and Load Distribution 8 Certificates and Types Tests 8 Anchor Shapes 9 JORDAHL JTA Channels Profile Overview 10 Allowable Loads 12 JTA channels with Short Anchors 13 Channels; Short Lengths 14 Allowable Load Amplitudes 15 ire Resistance of Anchor Channels 15 Axis and Edge Distances 16 Loads in Longitudinal Channel Direction 17 Available Lengths and Anchor Arrangement 20 Bent Channels, Channel Pairs, Corner Pieces 21 JORDAHL Toothed Channels JZA Anchor Channels with serrations 22 JORDAHL Channels JRA Anchor Channels with welded rebar 24 JORDAHL Channels JSA Anchor Channels with attachable straps 26 JORDAHL Installation asteners Application Areas 27 Assembly Channels JM, JML,JZM,JZML Profile Overview 28 Technical Data 30 JORDAHL Channel Rings 32 Profile Consoles 33 Tube asteners (WAS) 34 JORDAHL T bolts and Accessories JORDAHL T bolts Allowable Load 35 Overview 36 Locking Plates 38 Nuts, Washers, Accessories 39 Clamping Connections 41 Connecting Straps 42 Pressure Bolts 43 JORDAHL Channels JTB Profiled Metal Sheet ixing 44 JORDAHL Masonry Connections Brick Tie Channels 47 Brick Ties and Nail Anchor 48 JORDAHL Reinforcement System JORDAHL Reinforcement Continuity Connections 49 Stainless Reinforcing Steel BSt 500 NR 50 Applications Edge Protection Angle 50 Anchor Plates 51 Balcony and Railing asteners 52 Accessories for Elevator Construction 54 acade asteners 55 asteners for Solar Element Systems 56 Key Word Index 57 1

4 JORDAHL Anchor Channels and Accessories JORDAHL JORDAHL T -Bolts and Accessories from Page 35 T bolts and accessories including locking plates, nuts, washers, clamp connections, connecting straps, pressure bolts. JORDAHL Profiled Metal Sheet ixings from Page 44 JORDAHL profiled metal sheet fixing channels JTB. JORDAHL toothed Channels from Page 22 channels with serrations JZA. JORDAHL Channels from Page 10 including JTA JSA, JRA (from page 24). 2

5 JORDAHL JORDAHL Anchor Channels and Accessories JORDAHL Reinforcement Systems from Page 49 reinforcement systems with JORDAHL reinforcement continuity connections JB and reinforcing stainless steel. Applications starting on Page 50 solutions for special application areas: with facade fasteners, anchor plates, balcony fasteners, railing fasteners, accessories for elevator construction and fasteners for solar element systems. JORDAHL Installation asteners from Page 27 including framing channels (from page 28), channel rings (page 32) and cable clamps (page 34). 3

6 JORDAHL Anchor Channels and Accessories JORDAHL Basic Methods Application and Design Consideration JORDAHL cast-in channels are the originals and superior fastening system that withstands applied loads on reinforced concrete components. Safety benefits astening without damaging the structural body Approved safety by building authorities High loading capacity both in small or large reinforced components Not affected by shrinkage or movement of concrete component Suited for installation in component compression and tensile stress zones Suited for components with fire protection requirements Installation benefits Accurate positioning of channels by simple attachment to formwork Quick and easy installation of joining structures Simple adjustment of joining structure Construction tolerances can be balanced quickly Easy installation without specialized tools Selection of products JORDAHL offers the channel system suitable for all applications of building construction and civil engineering. The choice of channel depends upon: load direction (for full loading criteria pages 8 to 12) type of load (static or dynamic page 15) Anchor profiles for JTA channels fire protection requirements ( page 15) Planning Channel selection should occur at the design stage and their type, length and location should be included in the concrete reinforcements drawings. Ideally not only the live loads, but also future stress due to reconstruction phases should be taken into consideration. Planning observations The subsequent observations for choosing the correct channel should include: applied loads edge distances dimensions of components application areas depending on corrosion protection JORDAHL Cast-in Channels Product Range JORDAHL JTA channels for pull out and shear loading JORDAHL channels are manufactured: with welded I-anchors or with welded or clinched bolt anchors. JORDAHL JTA channels are officially approved (certificate No. Z ) applicable for load ranges from 3,0 to 35,0 kn suitable for installation in ceilings requiring fire safety measures ( page 15). The following channels are approved for dynamic loadings: JTA W 74/48; JTA W 54/43; JTA W 53/34; JTA W 50/30; JTA W 40/22 JORDAHL toothed JZA channels for withstanding loads in all directions for loads in longitudinal channel direction from 3,5 to 5,0 kn for installation in tensile and compression zones officially approved (certificate No. Z ) JORDAHL JRA channels for high static and dynamic loads as profile W 74/48 with reinforced steel anchors for single loads up to 40 kn range of stress 38 kn certificate AZ: 2.2/20247 JORDAHL JSA channels for secondary applications as profile K 38/17, K 28/15 with strap anchors assembled on site Accessories JORDAHL T bolts are perfectly designed to comply with the JORDAHL channel systems. With a full range of JORDAHL accessories almost every problem of fastening systems can be effectively solved. JORDAHL accessories ensure: perfect compliance with the JORDAHL channels accurate fit to connecting elements Examples of JORDAHL special channel applications As example design aids JORDAHL have prepared some working details and solutions in critical building areas. These start on page 50: balcony securing with channels elevator construction 4

7 JORDAHL JORDAHL Anchor Channels and Accessories Basic Methods Product Designation JORDAHL channels are manufactured from either: hot rolled from solid steel blocks (W profile) cold worked profile from strip steel (K profile) The product description comprises the profile design and geometry. Example Hot rolled profile, width: 74 mm/height: 48 mm, product description: W 74/48 Materials JORDAHL product Mild steel Stainless steel Profile (S 235 JR = St 37-2) DIN EN / DIN EN (S 235 JRG2 = RSt 37-2) / (S 275 JR = R St 44-2) Anchors (S 235 JRG2 = R St 37-2) DIN EN / DIN EN Bolts Grade 4.6/8.8 DIN EN A4-50/A4-70 DIN ISO 3506 Hex nuts Grade 8 DIN EN A4-50/A4-70 DIN ISO 3506 Washers St / Application Area Depending on Corrosion Protection Hot rolled profile W 74/48 Corrosion protection of component parts Channel Anchors Bolt, Nut, U-shaped Washer Environmental Conditions 1 Mill finish (black) Mill finish (black) black (no protection) Application possible only if all fastening elements are protected by a minimum concrete cover of c [mm] acc. to DIN 19045, Tab.10 Cold rolled profile K 72/48 Profile Properties Hot rolled profiles provide high, dynamic loading capacity good weldability as installation profile smooth, flat surface installation in concrete larger available clamping force of T bolts larger safety in spacing installation 2 hot-dipped hot-dipped galvanized Concrete construction components in galvanized galvanized (coating 5 µm) closed rooms, e. g. living quarters, (coating 50 µm) (coating 50 µm) offices, schools, hospitals, shops with the exception of rooms subject to moisture 3 hot-dipped hot-dipped hot-dipped As line 2, however, also in rooms subject galvanized galvanized galvanized to moisture at home (coating 50 µm) (coating 50 µm) (coating 40 µm) 4 stainless steel welded anchors (1) stainless steel Also in the open air (2) / black A stainless steel A 4-70 Also in the open air / (1) Profile JTA K 28/15 and K 38/17 only with stainless steel anchors. (2) Regarding corrosion protection, the welded anchors acc. to DIN 1045; Tab. 10 may be based on the concrete cover listed below [mm]. Cold rolled profiles are lighter more favourable in price for some applications Available concrete c [mm] of the welded I-shaped anchors for profile JTA W 40/22 K 40/25 K 50/30 K 53/34 W 50/30 W 53/34 W 54/43 K 72/48 W 74/48 C

8 JORDAHL Anchor Channels and Accessories JORDAHL Basic Methods On site Assembly Cutting Channels can also be cut to the required length on site. The following should be noted: Each channel piece must have at least two anchors The cut may only be made up to 25 mm following an anchor astening to the formwork JORDAHL channels should be installed at the required position and flush with the concrete surface. In order to avoid displacement during the process of applying concrete, the channels are fastened to the formwork. astening variations Pre punched holes in the back of channels allow for nailing to timber formwork (see illustration) Nailing to the channels with tacks or staples Use of sealant if uneven formwork leaves unacceptable gaps (see illustration) Using JORDAHL T bolts and nuts fixings to the steel formwork can be achieved Using magnetic fixings to the steel formwork Cutting the channels (non-illustrated: anchor channel K 50/30 with 35 mm projection) Sealing channels Nailing to timber formwork Bolts grade Channel infill After removing the formwork the channel is cleaned on the outside to remove residue. The channel filling which prevented penetration of new concrete should be removed. or this purpose a hammer, spanner or a hook can be used. Locking of T bolts into channel Attaching components, e.g. angles should be preassembled with JORDAHL T bolts, washers and nuts. The JORDAHL bolt is inserted into the channel slot. It is only correctly located when the notch at the end of bolt is at 90 to the channel slot. After adjustment, the nut can be tightened to the required torque. Tightening torque [Nm] M M M M Removing filling Assembly of components 6

9 JORDAHL JORDAHL Anchor Channels and Accessories Basic Methods Surface ixed Components Offset ixing Components U washer for spacing assembly Surface fixed component Offset assembly The top edge of the channel should be flush with the concrete surface. If the channel is recessed, the detail is lined with a washer in accordance with the table below. or an offset assembly the detail is subject to stress resulting from the bending moment in addition to pull out and resultant loads. Therefore, the selection of the correct bolt must take the allowable bending moment ( page 35) into consideration. The suitable washer is selected according to the table below Washers for Spacing Assembly JORDAHL Profile Bolt Diameter Type Type M6 M8 M10 M12 M16 M20 M24 M27 M30 K 28/15 JD DIN 440 DIN 9021 DIN 9021 DIN 125 K 38/17 JH DIN 440 DIN 9021 DIN 9021 W40/22 JC 38 x 38 x 5 DIN 9021 DIN 9021 K 40/25 JC 38 x 38 x 5 38 x 38 x 5 38 x 38 x 5 W50/30 JB 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 K 50/30 JB 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 W53/34 JB 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 K 53/34 JB 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 50 x 50 x 6 W54/43 JE 50x50x6 50x50x6 50x50x6 W74/48 JA 70x70x8 70x70x8 70x70x8 70x70x8 K 72/48 JA 70x70x8 70x70x8 70x70x8 70x70x8 7

10 JORDAHL Anchor Channels and Accessories JORDAHL Basic Methods Area of shear loads 15 Single load Area of combined pull out and shear loads 150 Load pairs Area of shear loads Direction of load Load arrangement Load in longitudinal channel direction Loadings Channels can carry various loads and disperse them in the concrete. The loads are differentiated according to direction of load actual load static and dynamic loads load in case of fire This information determines selection of the correct channel profile. Load direction In principle the loads are differentiated between loads vertical to the channel and loads in a longitudinal channel direction. The applied load vertical to the channel are considered to have pull out and resultant loading. The allowable loads can differ according to anchor spacing and strength of concrete ( page 10 onwards). or loads in the longitudinal direction of the channel, JORDAHL JZA toothed channels should be used ( page 22). In a certain degree channels transfer loads in longitudinal direction by friction ( page 16). Load distribution The allowable load of a channel depends on anchor and loading arrangement: for single loads with a maximum spacing of 250 mm for load pairs with a spacing of 100 mm between the components of the load pair and minimum spacing of 250 mm between two load pairs Load Dispersion All loads exerted on the channel are dispersed via the anchors into the concrete. The following should be considered: choice of channel/anchor depth concrete strength spacing of the channels to the edge thickness of component required reinforcement. A reduction of edge spacing or the installation of a smaller component can be achieved with additional reinforcement ( page 18). Without additional reinforcement a reduction of edge spacing is only possible if the load is reduced at the same time. Official Certificate and Tests JORDAHL Anchor Channel JTA Certificate No. Z JORDAHL Toothed Channel JZA Certificate No. Z JORDAHL Profiled Metal Sheet ixing Chhannel JTB Certificate No. Z Stainless Steel Certificate No. Z

11 JORDAHL JORDAHL Anchor Channels and Accessories Basic Methods Anchor Variations for JTA Channels I-shaped anchors JORDAHL channels can be supplied with various anchor types. Channels Type JTA for all typical construction applications with welded I-shaped anchors or welded or clinched round anchors H H I anchor, transverse position round anchors Officially approved (certificate No. Z ) Note: the supply of channels with anchors unless specified is optional. H I-anchor, longitudinal position round anchor Anchor variations for JTA channels Anchor positions JTA channels and corresponding anchors profiles Profile W 74/48 W 54/43 W 53/34 W 50/30 W 40/22 K 38/17 K 28/15 K 72/48 K 53/34 K 50/30 K 40/25 Overall depth H [mm] (1) 75 (1) 50 I anchors (ht) I 125 I 125 I 125 I 60 I 60 and orientation transverse/ transverse/ transverse/ transverse/ transverse/ longitudinal longitudinal longitudinal longitudinal longitudinal Round anchors (2) (2) (2) R R R R (1) reduced anchor heights page 14 (2) on request R = round anchors Other Anchor Variations Channels Type JSA with attachable straps Pre punched slots in back of channels allow the fitting of straps ( page 26). Channels with welded reinforced steel are supplied as for special applications e. g. Type JRA for high dynamic loadings and Type JGB for fastening railings ( pages 24 and 52). attachable straps for channel JSA welded reinforced steel for channel JRA welded reinforced steel for fastening railings JGB-G 9

12 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels JORDAHL JTA channels, hot-rolled (W-profile) or cold formed (K-profile), with either round anchors or I-shaped anchors; JTA channels can be supplied up to 6 m length or cut to length to order. Allowable quoted loads have a minimum safety factor of 2,5 applied and are point loads of 250 mm centres assuming standard anchorage. JORDAHL Hot-Rolled Profile W Profile Max. Weight (2) of ixings (3) Material/Design allowable channel and Single anchors T Bolt Locking plate load [kg/m] (1) [kn] Mild steel (4) Stainless steel W74/ JA M 20 to 30 JGM A M 20 S 235 JRG / (5) (A4) (32) mill finish hot-dipped W 54/ JB M 10 to 20 JGM B M 6 to16 S 275 JR / (5) (A4) (32) JE M 24 hot-dipped W 53/ JB M 10 to 20 JGM B M 6 to16 S 235 JRG / (5) (A4) (25) mill finish hot-dipped W 50/ JB M 10 to 20 JGM B M 6 to16 S 235 JRG / (5) (A4) mill finish hot-dipped W 40/ JC M 10 to16 JGM C M 6 to16 S 235 JRG / (5) (A4) mill finish hot-dipped 40 (1) or detailed information on loadings see tables on Page 12. The stated loads apply to concrete B 25, those for B 35 are shown in parentheses. (2) All weights apply to mill finish (black) channels. or dipped profiles: weight x or A 4 profiles: weight x (3) Please note the allowable loads for fixings. (4) Hot-dipped galvanizing is to 50 µm. (5) Stainless steel channels have welded mild steel I-shaped anchors (stainless steel anchors on request), except for K 28/15 and K 38/17 which have stainless steel anchors as standard. 10

13 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels Order example: JTA - K 28/ s/s type profile length matl. [mm] JORDAHL Cold Profile K Profile Max. Weight (2) of ixings (3) Material/Design allowable channel and Single anchors T Bolt Locking plate load [kg/m] (1) [kn] Mild steel (4) Stainless steel K 72/ JA M 20 to 30 JGM A M 20 S 235 JR / (5) (A4) (32) mill finish hot-dipped K 53/ JB M 10 to 20 JGM B M 6 to 16 S 235 JRG / (5) (A4) (25) mill finish hot-dipped K 50/ JB M 10 to 20 JGM B M 6 to16 S 235 JRG / (5) (A4) mill finish hot-dipped 2.75 K 40/ JC M 10 to16 JGM C M 6 to16 S 235 JRG / (5) (A4) mill finish hot-dipped 40 3 K 38/ JH M 10 to16 JGM H M 5 to12 S 235 JRG / (5) (A4) mill finish hot-dipped / (5) (A2) K 28/ JD M 6 to12 JGM D M 4 to10 S 235 JRG / (5) (A4) mill finish / (5) (A2) hot-dipped 28 11

14 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels JTA channels: Allowable Loads JORDAHL JTA channels. The range of allowable load depends on the load arrangement, the stress area, the channel length and the concrete strength. Application area Channels may be anchored in reinforced or un-reinforced concrete having property classes B15 according to DIN 1045; ( C12/15, EC2) Installation in concrete B25 The values in the table apply to concrete with property classes B 25 ( C 20/25, EC 2) Installation in concrete B35 The values in parentheses can be used in concrete of the property class B35(C30/37 according to EC 2) if the expansion of the concrete is prevented transversely to the channel longitudinal direction by reinforcement or transverse pressure. Installation in concrete B15 When using concrete of the property class B15 (C 12/15, EC 2) the table values shall be reduced by 30% (factor 0,7). 15 Area of shear loads Single load Load pairs Area of combined pull out and shear loads Area of shear loads Direction of load Load arrangement Allowable loads [kn] (3) Profile Dia. Pull out loads for 15 Shear loads for 15 JTA T bolts (1) Lengths Short lengths Lengths Short lengths Single load Load pair Single load Load pair Single load Load pair Single load Load pair Channel length , 200, > , 250 > [mm] 250 W 74/48 JA M K 72/48 M 27 (32.0) (16.0) (32.0) (32.0) (16.0) (16.0) (32.0) (16.0) (32.0) (16.0) M30 W 54/43 JE M 24 W 53/34 JB M K 53/34 (25.0) (12.5) (25.0) (25.0) (12.5) (12.5) (25.0) (12.5) (25.0) (12.5) W 50/30 JB M K 50/30 M 20 W 40/22 JC M K 40/25 K 38/17 JH M (2) (2) M16 K 28/15 JD M 8 M (1) If using small T bolts the allowable load of the bolt may not be exceeded. (2) K 38/17, anchor spacing 200 mm, allow = 7.0 kn (3) The specified values apply primarily for loads in un-reinforced concrete. If anchorage is in the tensile zone, the local transverse tensile stresses must be resisted by reinforcements acc. to DIN 1045 Section

15 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels JTA Channels with Shortened Anchors max. installation height H [mm] JTA channels with shortened round anchors (anchor spacing at max 250 mm) are provided for installation in thin concrete walls or panels. The corresponding values for recommended, maximum single loads and the required edge distances are shown in the table. Profiles JTA H [mm] W 40/22 60 K40/25 K38/17 55 ~30 ~H JTA channels with reduced round anchors. Recommended, maximum loads [kn] for channels with short anchors Profiles JTA Concrete Pull out Shear Corresponding strength loadings, loadings, T bolts (1) Area of shear loads Area of combined pull out and shear loads 150 Type Dia. K 40/25 B JC M 16 W 40/22 B B Direction of load 15 Area of shear loads K 38/17 B JH M 12 B M 16 B (1) If using small T bolts the allowable load of the bolts may not be exceeded. ( S. 35) Load arrangement Minimum spacing and component dimensions for channels with short anchors Profile JTA or concrete property classes B 25 a f Minimum edge distance for single channels [mm] Minimum component dimensions for single channels [mm] a e a r a a a e a f b (1) d (2) a r a a b ar d W 40/ K40/25 K 38 / (1) Minimum panel width. (2) Results from the depth of the channel and anchors and the required concrete cover acc. to DIN Order example: JTA-K40/25-K s/s type profile short length matl. anchor [mm] 13

16 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels Channels Short Lengths A short channel length is often used to fasten a mating component with two T bolts. The allowable loads according to page 12 apply for un-reinforced concrete, which has no increase in loading capacity with narrow anchor spacing. Tests have shown that the loading capacity is increased by the arrangement of a third anchor, if it is held by rear suspended reinforcement according to the observations on page 18. The regular distance to the edge as specified on page 17 should be adhered to here. Allowable pair loads [kn] for concrete properties B25 (2)(3) Profile JTA Corresponding Pull out loads for 15 Shear loads for 15 T bolts (1) Short lengths with two anchors Short Kurzstücke lengths mit with drei three Ankern anchors und Rückhängebewehrung and reinforcement Short lengths with two Type Dia. acc. to certificate recommended empfohlene, erhöhte increased Lasten loads anchors acc. to certificate K 28/15 JD M 8, 10, K 38/17 JH M 12, W 40/22 JC M K 40/25 W 50/30 JB M 16, K 50/30 W 53/34 JB M (12.5) 11.0 (12.5) 22.0 (25.0) 11.0 (12.5) K 53/34 W 54/43 JE M (16.0) 13.5 (16.0) 27.0 (32.0) 13.5 (16.0) W 74/48 JA M 24, 27, (16.0) 13.5 (16.0) 27.0 (32.0) 13.5 (16.0) K 72/48 15 Area of shear loads Area of combined pull out and shear loads 150 (1) If using small T bolts the allowable load of the bolts may not be exceeded. (2) Values in parentheses apply to use of B 35 and may be used if the expansion of the concrete is prevented transversely to the channel longitudinal direction by reinforcement (one rod BSt 500 S, d s 8 mm in the anchor area) or by transverse pressure. (3) When concrete strength is that of class B 15 the allowable loads of B 25 should be used but with factor Area of shear loads Direction of load 14

17 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels Allowable Load Amplitudes for Hot Rolled JORDAHL-Channels Hot rolled JORDAHL-channels are officially approved for non-static tensile loads. The specified amplitudes apply to the profiles W 74/48 and W 53/34 with transversely welded I-anchors, to the profiles W 50/30 and W 40/22 with I-anchors and round anchors. The certificate Z applies to applications in concrete B15. T bolts The corresponding bolts specified in the table on Page 12 shall be used. Allowable loads The allowable range of stress varies depending on the number of load cycles N. or load cycles of N = 2 x 10 6 the allowable load range is specified in the table. or load cycles of N 2x10 6 corresponding values can be taken from the diagram. 10 kn 7.6 kn 1 load cycle 0 JTA-W 50/30 O = max. load U = min. load Allowable load range for load cycles N = 2 x10 6 Profile W 74/ W 53/ W 50/ W 40/ Range of Load = o u Amplitude Load Range = o u (kn) 6x10 4 JTA W 50/30 JTA W 53/34 JTA W 40/22 JTA W 74/ x10 5 5x x10 6 Load cycles Diagram: Allowable Load Ranges depending on load cycles of N 2x10 6 Example of calculation for Profile JTA W 50/30 Allow. acc. to Table Pg.12: Range of stress for N = 2 x10 6 : N Allow. = 10,0 kn = ( o u ) = 2,4 kn Remaining possible tensile stress: = 7,6kN ire Resistance of Anchor Channels Channels in reinforced concrete ceilings of fire resistance class 90 were tested with regard to their loading capacity in case of a fire. (Test Report No. 3237/1356-PK- by the Institute for material testing of building constructions in Braunschweig, Germany). The minimum axis distance to the lower reinforcement and the maximum loading capacity were determined. The results apply to primarily non-static loads. Allowable stress per bolt of 90 fixings Profile JTA Allowable Load Required axis distance per bolt [kn] u [mm] K 28/ K 38/17 K 40/ K 50/30 W 40/22 W 50/30 The functionality and fire resistance period of 90 reinforced concrete ceilings are not affected by the installation of JORDAHL JTA channels. Axis distance u [mm] of the bottom reinfocement from the lower edge of concrete u 15

18 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels Loads in Longitudinal Direction of Channels To a limited degree JORDAHL JTA channels can carry loads parallel to the channel axis by means of friction. The load to be carried depends upon the channel material, the bolt used and the tightening torque. Safety against slipping at the stated tightening torques is approximately =5. It should be noted that the clamping effect decreases in time because of relaxation. or applications with loads in longitudinal channel direction JORDAHL toothed channel JZA, Official Certificate No. Z , are recommended. ( page 22) Load in longitudinal channel direction Strength of JTA channels in longitudinal channel direction Profiles JTA (1) Corresponding T Bolt (2) Tightening Recommended strength of shear Minimum Type Diameter torque load parallel to channel axis thickness of [Nm] max. [kn] joining part Mild steel Stainless steel [mm] hot dipped degreased Bolt Grade 4.6 A4-50 W 74/48 JA M K 72/48 M M W 53/34 JB M K 53/34 M W 50/30 JB M K 50/30 M W 40/22 JC M K 40/25 M K 38/17 JH M M K 28/15 JD M (1) or hot-dipped channels the joining parts must also be out of hot-dipped material. (2) Bolt finishes: Typ JA: hot dipped, Typ JB,JC, JH, JD: galvanic zinc plated. 16

19 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels Minimum Spacing and Component Dimensions a e a r a a b ar a f a e a r1 a a1 ar1 Location and designation of minimum distances and component dimensions d 3) or installation of channels the minimum component dimensions, minimum distances to the component part edges and minimum spacing between the channels shall be observed. These spacings are fixed in Official Certificate No. Z The minimum distances specified in the table apply for reinforced concrete grade B 25. There are no additional requirements for reinforcements when the spacing is increased by 30%. Minimum distances and component dimensions Profile JTA Minimum dimensions [mm] Minimum dimensions [mm] Minimum component dimensions [mm] Single channel Channel pair (4) a r a a a e a f a r1 a a1 a e a f b (2) d (3) W 74/ K 72/48 W 54/43 W 53/ K 53/34 W 50/ (10) (1) (10) (1) K 50/30 W 40/ (7) (1) (7) (1) K 40/25 K 38/ K 28/ (1) Dimension in parenthesis apply to previous a r 2 zul a r. (2) Applies to the fitting of one channel. (3) Results from the height of channel and anchor and the required concrete cover acc. to DIN (4) Only pull out tensile stress allowed. 17

20 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels Reduced Edge Distance a r and Pull out Tensile Stress In some installation locations, for example on the edges of reinforced concrete structural members, the required edge distance a r ( S.17) cannot be achieved for structural reasons. JTA Channels K 28/15 to W50/30can be used here. They may be subjected to the full pull out load if the distance to the edge is a r 5,0 mm and an additional loop reinforcement is incorporated. Loop reinforcement also applies if the required distance to the edge acc. to page 17 remain under on one side only. Recommended reinforcement bar size Dia. 6 mm for channels 28/15 to 40/25 Dia. 8 mm for channels W50/30 Installation and load situation Dimensioning of additional reinforcement loop 0.25 x allow. neededa S = [cm 2 ] allow. S allow. = allowable, pull out tensile force [kn], see table on page 12 allow. S = allowable steel stress = 8 kn/cm 2 needed A S = required reinforcement section per loop [cm 2 ] ar ar A As 40 e+30 smallest allowable bent bar diameter acc. to DIN 1045 Loop l l 1 (DIN 1045) B St 420 S or B St 500 S x 6 JORDAHL Channel JTA 50 Arrangement of loop reinforcement, measures in [mm] Section A-A a e A e Reduced Loads with Small Edge Distande a r without Additional Reinforcement If the load is decreased a reduction of edge distance a r is possible. The values from the table to the right serve as a drafting aid. The specified values refer to concrete B 25 with minimum reinforcement. Intermediate values of loads and edge distances can be interpolated linearly. Area of shear loads 15 Area of combined pull out and shear loads Area of shear loads Profiles JTA Allowable single load [kn] for pull out and shear load (1) edge distance a r [mm] W 74/48, K 72/48, W 54/43 W 53/34, K 53/ (8.0) 8.0 (10.0) W 50/30, K 50/ (8.0) 8.0 (10.0) 12.0 W 40/22, K 40/ (8.0) 8.0 (10.0) K 38/ (8.0) a r 2xar K 28/ a r (1) Values in parenthesis apply to shear load, which is higher than pull out in some cases. 18

21 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels Reduced Edge Distance in Thin Slabs with Additional Reinforcement Additional reinforcements close to the edge can considerably improve the loading behavior of short anchor channel pieces in thin slabs. The forces arising must be anchored as detailed below: Installation and load situation, example Arrangement of additional bars additional bars 25 Length, see table 25 L additional bars Allowable pull out loads [kn] Profiles JTA Bar dia. Allowable pull out loads for channel length L [mm] (2) [mm] L =150 L = 200 L = 250 L = 250 (1) L=300 (1) L=350 (1) K 28/ K 38/ W 40/ K 40/25 W 50/ K 50/30 Short pieces with three anchors and additional loop reinforcement page 14. (1) 250 mm and 300 mm short pieces, design with three anchors, 350 mm short pieces standard with three anchors. (2) Load distance from edge 50 mm and 5 x dia bolt. 19

22 JORDAHL Anchor Channels and Accessories JORDAHL JTA Channels Standard/Cut Lengths and Anchor Spacing Type Length L [mm] Anchor spacing (2) Number K 38/ (3) of anchors stocked length ( 0 /+50 mm) cut length 1050 < L < 6000 mm n x 250 n n (on request) L Short pieces 100 (1) (1) Only available for K 28/15 and K 38/17. (2) or round anchors the distance from the Channel end may be increased from 25 to 35 mm. (3) or K 38/ channel with reduced anchor spacing of 200 mm. 20

23 JORDAHL JORDAHL Anchor Channels and Accessories JTA Channels Curved Channels JORDAHL supplies curved channels for round structures, supply chutes, sewage plants or tunnels. The channels can be concave (profile of slot inside) or convex (profile of slot outside). The Order example: Curved channel JTA - K 38/ s/s - Ri = 3500 type profile straight matl Bending length radius [mm] [mm] Ri = conclave slot radius Ra = convex slot radius maximum length of a radiused channel (L) = 5.80 m. Ri m a x. L [mm] m a x. L [mm] Ra slot inwards slot outwards Minimum bending radius Profile W 74/48 K 72/48 W 54/43 W 53/34 K 53/34 W 50/30 K 50/30 W 40/22 K 40/25 K 38/17 K 28/15 min R [mm] , Welded Channel Assemblies Welded Corner Channels Welded channel assemblies are required when precise positioning of channels is required such as the fastening of glass or metal facades ( page 55). Also radiused assemblies are often used. or example, fastening overhead lines in tunnel structures. JORDAHL can design, manufacture and supply anchor channel pairs to suit specific job requirements. Order example: Anchor channel pairs JTA-K53/ s/s-e=250 type profile length matl Axial [mm] spacing of channels Welded corner channels allow fixings to be made close to external corners, for example for fastening of brickwork support. In addition to the standard size shown, special lengths are available on request. Order example: Standard corner channel JTA - K 38/ x A4 type profile flank matl length [mm] for the spacers, BSt 500S is used Profile JTA K 38/17 standard size 125 x 250 mm 21

24 JORDAHL Anchor Channels and Accessories JORDAHL Toothed Channels JZA Toothed Channel JZA: System Load Arrangement and Load Directions Toothed channel JZA Toothed bolt Component JORDAHL toothed anchor channels JZA are required for loads in a longitudinal channel direction. They require the use of a toothed bolt JZS ( page 37) and provide a secure, positive force connection. Official Certificate No. Z (Also see plain backed toothed channels on page 29.) Load arrangement illustration a: Single loads for all directions of load Load Load arrangement illustration b: Paired fixings: pull out and shear 34.5 H Bolt length d Toothed channel JZA Toothed bolt JZS Load arrangement illustration c: Paired fixings: Load parallel to longitudinal channel axis Material and Anchor Types Profile Weight (1) of Material Type Overall depth level JZA channel with H [mm] for anchor type anchors [kg/m] I 60 I 125 R K 41/ S 235 JRG 2 h.d.g / A4 /EA R = round anchors Allowable Loads [kn] for Concrete B Direction of load Values for shear loads parallel to channel Value for combined pull out and shear loads 150 Profile JZA Combined Pull out Shear loadings for Bolt JZS Tightening Allow. bending moment of bolts [Nm] and shear loadings (1) 15 torque [Nm] Single load Load pairs Single load Load pairs (2) as illus. a as illus. b as illus. a as illus. c Grade 8.8 Material grade A4-50 Length [mm] Dia. M12 M16 M12 M16 M12 M16 K 41/ M12, (1) If load is simultaneous on combined pull out and shear stress vertical to channel axis and shear stress parallel to channel axis the load resulting may not exceed the value of = 5 kn for single load or = 3,5 kn for load pairs, respectively. (2) If deviations in load direction from the channel longitudinal axis over = 15 arise, the allowable load on = 3,5 kn must be reduced. 22

25 JORDAHL JORDAHL Anchor Channels and Accessories Toothed Channels JZA Toothed Channel JZA: Minimum Spacing/Component Dimensions Profile Minimum Spacing [mm] for Channel Minimum Component JZA (1) Pairs (4) Dimensions [mm] in B 25 a r a a a e a f a r1 a a1 b (2) d (3) a e a f a e a r1 a a1 ar1 d K 41/ a r a a b ar (1) The minimum distances specified in the table apply for reinforced concrete. No demands are placed on the reinforcement when the spacing is widened by 30%. (2) Applies to the arrangement of one channel. (3) Results from the height of channel and anchors and the required concrete cover acc. to DIN (4) Allowable only for pull out loads parallel to channel axis. Toothed Channel JZA: Reduced Distance to Edge a r with Load on Pull out Tensile Stress l l 1 (DIN 1045) Section A-A In some installation situations, the distance to edge a r cannot be adhere for design reasons. Here the distance to the edge may be reduced to a r 50 mm, if additional loop reinforcements have been inserted. The same also applies if the required distance to the edge a r remain under on one side only. Dimensions of additional reinforcement page 18. Recommenced reinforcement: BSt dia. 6 As 40 smallest allowable bend roll diameter acc. to DIN 1045 Loop B St 420 S or B St 500 S a e 20 Toothed Channel JZA: Rear Suspended Reinforcement with Load Direction Vertical to Edge If the load direction is vertical to the edge of the concrete component, the distances to the edge 75 mm a r 100 mm may only be produced if supported with additional reinforcement. Dimensions of additional reinforcement allow. S = allowable steel stress = 8,0 kn/cm 2 allow. [kn] = allowable, pull out tensile stress page 22 needed A S = required reinforcement section per loop [cm 2 ] Recommenced reinforcement: BSt dia. 10 A e x Ø 6 50 JORDAHL Toothed Channel JZA Additional rear reinforcement with channels in front side, longitudinal and transverse section e A allow. neededa S = [cm 2 ] allow. S A S 75 a r allow. JORDAHL Toothed Channel allow. Additional rear suspended reinforcement with load direction vertical to edge 23

26 JORDAHL Anchor Channels and Accessories JORDAHL Special channels JRA JORDAHL channels JRA, the solution for extremely high static and dynamic loads. Channels JRA with concrete reinforcement anchors welded on both sides Material Channel Anchors Channel including anchors (1) Profile Material inish Dia. Material Weight [kg/m] Channels JRA: Applications and Material JORDAHL Channel JRA: profile W74/48with welded reinforcement anchors. The system can be adapted to many areas of application. Other profile sizes also can be provided with concrete reinforcement anchors for special solutions: Please consult our technical dept. Loads JRA W 74/48 is suited to carry extremely high static and dynamic loads. Based on tests with a vibration range of o u = 38 kn, with a top load of o = 40 kn, this anchor channel was certified for continuous strength for vibration ranges up to 30 kn. (Test-no. 2.2/20247) Areas of application Typical areas of application include crane conveying equipment, energy plants and safety area buildings. Available lengths Lengths start as short as 150 mm and can be made to any length to suit application. or anchor arrangement and exact dimensions page 20. W 74/48 Steel hot dipped 14 mm BSt 500 S µm (1) or anchor length L ges = 400 mm Allowable Loads [kn] for Concrete B Area of shear loads Single load Load pairs Area of Combined pull out and shear loads Area of shear loads Load Arrangement Direction of load Profile JRA Recommended, maximum loads (1) [kn] Technical data of corresponding T bolts Combined pull out and Shear loads Bolt JA Tightening Allow. bending moment of bolts [Nm] shear loads torque Single load Load pairs Single load Load pairs [Nm] Grade 4.6 Grade 8.8 (2) Dia. M 24 M 30 M 24 M 30 M 24 M 30 W 74/ M 24, M (1) Application is allowed only in reinforced components. or installation in the pull out tensile stress zone of reinforced concrete components produced by loads, the transferral of forces must be proven. (2) On request. 24

27 JORDAHL JORDAHL Anchor Channels and Accessories Special channels JRA Channel JRA: Minimum Spacing and Component Dimensions a f Profile JRA Minimum Spacing [mm] Minimum Component Dimensions [mm] a e d a r a a a e a f b (1) d (2) W 74/ a r a a b ar (1) Applies to the arrangement of one channel. (2) Results from the height of the channel and anchor and the required concrete cover acc. to DIN 1045 Channels JRA: Allowable Vibration Range In view of the profiles high resistance to vibrations the limited dynamic loading capacity of the T bolts are significant. Allowable values table. Allowable vibration range allowable = o u [kn] for increased tensile stress Profile JRA Bolt Grade Vibration Range W 74/48 JA M JA M JA M JA M Reinforcing Steel Anchors Material The anchor manufactured from BSt 500 S acc. to DIN 488. Anchors length l 1 of reinforcing steel anchors acc. to DIN 1045 The reinforcement bars shall be anchored with the anchors length l 1 acc. to DIN 1045 in the component compression zone. The anchors length is calculated based on half of the component height plus the anchors length l 1 and should be stated in the order. l 1 H/2 L ges Lengths of Reinforcing steel Anchors; Calculation Example L total = H/2 + l 1 [cm] Anchors length L total = length of outer edge of channel profile up to the top edge of reinforcing steel anchors. Please state when ordering. H = height of reinforced concrete component l 1 = anchor lengths acc. to DIN 1045 ( table) Reinforcing steel anchors as part of the reinforcement The reinforcement steel anchors can be added to the thrust reinforcement in suitable components an reinforcement guides. Order example: JRA - W 74/ galv type profile length finish [mm] Anchor L total = 460 mm Concrete Anchors length l 1 [mm] acc. to DIN 1045, Joining areas I, BSt 500 S, Dia. 14 straight bar ends bent ends B B B

28 JORDAHL Anchor Channels and Accessories JORDAHL Channels JSA JORDAHL channel JSA with attachable straps for structures without a loading function and for constructive application. Strap ends bent over by approx. 50 mm Anchor Channel JSA with assembled straps Available lengths and anchors arrangements (1) Available lengths Length L [mm] Anchors spacing Anchors straps, inserted in channels on site and bent at 90º Channels JSA: System and Assembly JORDAHL channels JSA consists of profiles with pre punched loops in the back of channel and loose steel straps which are installed on construction site and can be easily bent into shape by hand. Areas of application JORDAHL channels JSA can be especially used for fastening structures without a loading function. The anchors by only be used in reinforced regular concrete of property class B15. They may be used without requiring any further proof, if the conditions of the anchor channel guideline have been observed (Version 3/75 stating that attached loads may have an area load of up to 1 kn/m 2.) Assembly Straps are inserted in pre punched loops at the back of channel with max. spacing of 250 mm (once the channel has been mounted on formwork). The straps are bent up to a right angle with each end turned over by 50 mm (see illus.). A strap must be fitted at each end of channel. or installation, observe the distance to the edge stated on page 17. Order example: JSA - K 38/ galv Stocked length 6000 ( 0 /+50 mm) type profile length [mm] finish n x 250 L (1) Additional data page 20. Profile Types and Technical Data Profiles JSA Weight (2) ixings Channel Anchor of channel straps with anchor Bolt Locking Material inish dxwxl[mm] [kg/m] plate K 38/ JHM10to16 JGMHM5to12 steel mill finish 2 x 20 x 400 hot dipped K 28/ JD M 6 to12 JGM DM 4 to10 steel mill finish 1.5 x15 x 320 hot dipped 28 (2) All weights apply to mill finish (black) channels. or dipped profiles: weight x

29 JORDAHL JORDAHL Anchor Channels and Accessories JORDAHL Installation asteners The JORDAHL System for installation fasteners is a flexible universal fastening program for easy fastening of supply and recovery lines, electric cables, cable trays or climate control channels. System Components The JORDAHL program for installation fasteners comprises: JORDAHL plain back, JORDAHL slotted back and JORDAHL toothed channels ( pages 28 29) JORDAHL radiused channel rings for optimum equipment and utilization of tunnel cross sections ( page 21) JORDAHL brackets ( page 33) all necessary accessories e. g. threaded rods, threaded sleeves, coupling sleeves, washers, T bolts and nuts ( pages 35 40) astener Variants JORDAHL framing channels can be used in steel construction engineering, steel and metal construction or wood construction by: welding on to steel construction parts clamping to profile steel girders site drilled bolting to solid construction parts bolting or nailing on wood construction Moreover, the joining of JORDAHL construction parts is also possible by bolting with JORDAHL T bolts to JORDAHL channels or by suspending threaded rods bolted to JORDAHL locking plates JGM JORDAHL framing and cast-in channels, application example h Detail A L Detail C Detail B JORDAHL channel ring, design example JORDAHL brackets, product example 27

30 JORDAHL Anchor Channels and Accessories JORDAHL JORDAHL Installation asteners Profile Overview, JORDAHL raming Channels JORDAHL Plain Back Channels JM Cold Rolled The following profile overview shows the dimensions of JORDAHL framing channels and their corresponding fastening means. All data required for measurements as well as information on materials and their finishes can be found on page Profile Bolt (1) Locking plate (1) K 72/48 Type JA JGM A M20to30 M JORDAHL Plain Back Channels JM Hot Rolled Profile Bolt (1) Locking plate (1) K 53/34 Type JB JGM B M10to20 M6to W 74/48 Type JA JGM A M 20 to 30 M K 50/40 Type JB JGM B M10to20 M6to W 54/43 Type JB M10to20 Typ JE, M24 JGM B M 6to K 50/30 Type JB JGM B M10to20 M6to W 53/34 Type JB M10to20 JGM B M 6to K 48/26 Type JB JGM B M10to20 M6to W 50/30 Type JB M10to20 JGM B M 6to K 41/41 JAM 22 JAM 22 M6to W 40/22 Type JC M10 to16 JGM C M 6to K 40/25 Type JC JGM C M10to16 M6to (1) Observe the allowable load of fastening means. 28

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