Site Director: Dr. Sami Rizkalla Associate Director: Dr. Rudi Seracino Date: February 1 st, 2011
|
|
- Sarah Stanley
- 6 years ago
- Views:
Transcription
1 Site Director: Dr. Sami Rizkalla Associate Director: Dr. Rudi Seracino Date: February 1 st, 2011
2 AltusGroup, Inc. Freyssinet, Inc. Fyfe Company, LLC Grancrete, Inc. Martin Marietta Composites Nippon Steel Materials Co., Ltd. 2
3 Korea Institute of Construction Technology (KICT) Millikan & Company KPFF, Inc. 3
4 NCSU-1. Rapid FRP Repair of Damaged Reinforced Concrete Columns NCSU-2. 3-D FRP Sandwich Panels with Corrugated Sheets for Bridge Decks NCSU-3. Innovative Bonding and Fibers for Strengthening Concrete Structures NCSU-4. Innovative FRP Shear Transfer Mechanism for Precast Prestressed Concrete Sandwich Panels NCSU-5. FRP Anchorage Systems for Strengthening Infill Masonry Structures (Please complete LIFE forms for these projects) 4
5 PI: Dr. Rudi Seracino Industrial Collaborator: Fyfe Company, LLC Student: Amy Byrum (Hao Hu & Ty Rutledge) Overview: Develop rapid FRP repair techniques for damaged RC columns with buckled and/or ruptured longitudinal reinforcing steel. Budget: $25,000 5
6 Motivation Rapidly restore lost strength and ductility of damaged RC columns Currently, FRP repair not permitted when longitudinal bars are not straight Research Plan Phase I Confined Cylinder Tests Phase II Full-Scale Column Repair 6
7 Phase I Cylinder Tests with 3 parameters 1. FRP Material 2. Core Material 3. Adhesive Direct axial compression in order to determine confined stress-strain properties 7
8 Phase I - Repair System Design Types of FRP Carbon Fiber Reinforcing Fabric Unidirectional Open Weave Basalt Fabric 0/90 bidirectional 8
9 Phase I - Repair System Design Core Material PC Concrete 5000 psi Rapid Curing Cementitious Patching Material 4500 psi Initial set in 3-5 minutes Adhesive Regular Epoxy 7 day full cure Rapid Cure Epoxy 48 minute gel time Cementitious Bonding Matrix 50 min workability time Interlocks fibers 9
10 Phase I - Repair System Design Material Tests Tensile Properties of Composites and Epoxies (ASTM D3039 and ASTM D638) Tensile Properties of Basalt Cementitious Alternative and Dry Fibers 10
11 Phase I - Test Matrix Core Material Control (No Wrap) CFRP & 7- day Epoxy CFRP & Rapid Cure Epoxy Basalt & Bonding Matrix PC Concrete Rapid Patch Material layer 3 layers 1 layer 3 layers 1 layer 3 layers 1 layer 3 layers 1 layer 3 layers 1 layer 3 layers 11
12 Phase I Continuous Strain Field Measurement Particle Image Velocimetry (PIV) Benefits Speckle Pattern 12
13 Phase I Phase 2 Compare data with existing confinement models Use proposed model to optimize design for wrapping damaged columns 13
14 Future Work - Phase II (Column Repair) Moderately Damaged Buckled reinforcing bars Remove loose concrete Replace damaged concrete Apply repair system design Severely Damaged Ruptured reinforcing bars Remove loose concrete Add longitudinal reinforcement in concrete cover Replace damaged concrete Apply repair system design 14
15 15
16 PI: Dr. Sami Rizkalla Industrial Collaborator: Martin Marietta Composites Graduate Student: Gautam Sopal Objective: To Study the behavior of new 3-D GFRP sandwich panels with corrugated sheets under various loading conditions Budget: $50,000 16
17 Through fibers Top GFRP plies Bottom GFRP plies 3-D GFRP Sandwich Panel with corrugated sheets Additional corrugated sheets Centre Line 17
18 Direct Shear behavior Configuration Specimen Shear Modulus (psi) Transverse Steel plates Longitudinal Applied Load Ultimate Strength (psi) 1T T Additional 251 3T steel strip 249 Average L L L Average Linear potentiometer 18 Typical test setup for ASTM 273 in transverse direction
19 Direct Shear behavior
20 Applied Load, Kips Applied Load, Kips One way flexural behavior Span 36 in Load vs Displacement Applied load through 220 kips actuator Load vs Displacement Failed due to localize crushing of top GFRP plies Span 48 in Span 60 in Foam cracking and through fibers crushing Span 60 in Simple Support conditions Non-linear Behavior Avg. Midspan Displacement, in Support Displacement potentiometer Midspan Displacement potentiometer Avg. Midspan Displacement, in 20 Typical test setup evaluating one way flexural behavior
21 Applied Load, Kips Two way flexural behavior Load vs Displacement Failed due to localize crushing of top GFRP plies Foam cracking and through fibers crushing Typical test setup evaluating two way flexural behavior Avg. Midspan Displacement, in 21
22 Applied Load, Kips Shear behavior Load vs Displacement Direct Shear results Configuration Avg. Ultimate Shear stress (psi) Transverse 247 Longitudinal 200 Failed due to localize crushing of top GFRP plies Foam cracking and through fibers crushing Where, V= Experimental shear force = 43.5 Kips Q = 1 st moment of inertia = 2.1 in 3 I = Moment of inertia = 10.1 in 4 Typical b = width test setup of the evaluating section = 46 shear in behavior 22 = psi Shear Span 12 in Avg. Midspan Displacement, in
23 Failure Modes Localize crushing Shear cracks Shear cracks Debonding between bottom plies and core corrugation Direct shear behavior One way and two way flexure behavior Shear behavior Bottom plies undamaged 23
24 Future experiments Direct One way compression fatigue behavior behavior Steel Plate Loading Plate Support Specimen 72 in x 18 in Steel Plate Specifications Applied No. Load of specimens - 2 No. of cycles 2 million Frequency 2 Hz Load range 6 to 10 kips Cut specimen 24 Load cell Typical test setup for one way fatigue behavior Typical test setup for direct compression study
25 Preliminary conclusions Panels failed under required failure modes Increased shear strength and shear modulus Perfectly linear and elastic behavior towards failure Localize crushing of top GFRP plies Bottom GFRP plies remained undamaged 25
26 Future study Quantify the effect of core corrugation Compare the fundamental characteristics Determine the possible degradation under cyclic loading Calibrate specific analysis approach Develop simple design guidelines 26
27 27
28 PI: Dr. Sami Rizkalla Industrial Collaborators : Grancrete, Inc., Nippon Steel Materials Co., Ltd., Fyfe Company, LLC, Freyssinet, Inc. Graduate Students: Adolfo Obregon-Salinas, Benjamin Mielke, Brian Mielke Objective: Investigate the effectiveness of various fiber strengthening systems using different adhesive materials. Budget: $125,000 28
29 Repair and Strengthening of Concrete Structures Using Grancrete/FRP System Parameters Application Method Type of Fiber Adhesive Material Fiber Reinforcement Ratio 29
30 Test Matrix 30 Cast Type of Fiber Adhesive Material Layers of Fiber Application Method Specimen ID NONE NONE NONE NONE Control 1 Glass Fibers (small ¼ grid) Basalt Grid Cast GS-G-1-C Grancrete PCW Paste 1 Layer Sprayed GS-G-1-S Epoxy Cast GS-E-1-C Grancrete PCW Paste Cast B-G-1-C 1 Layer Sprayed B-G-1-S Epoxy Cast B-E-1-C Grancrete PCW Paste 2 Layers Cast B-G-2-C NONE NONE NONE NONE Control 2 Glass Fibers (Large 1 grid) C-Grid Carbon Strand Sheet Grancrete PCW Paste Cast GL-G-1-C 1 Layer Epoxy Cast GL-E-1-C Grancrete PCW Paste Cast CG-G-1-C 1 Layer Epoxy Cast CG-E-1-C Grancrete PCW Paste Cast CS-G-1-C 1 Layer Epoxy Cast CS-E-1-C Grancrete PCW Paste 2 Layers Cast CS-G-2-C NONE NONE NONE NONE Control 3 Basalt Grid Carbon Strand Sheet 1 Layer Cast B-G-1-C Grancrete PCW Paste 2 Layers Cast B-G-2-C Epoxy 2 Layers Cast B-E-2-C 1 Layer Cast CS-G-1-C Grancrete PCW Paste 2 Layers Cast CS-G-2-C Epoxy 2 Layers Cast CS-E-2-C C-Grid Grancrete PCW Paste 2 Layers Cast CG-G-2-C Total number of slabs 24 I Application Method III Bonding Material Cast Sprayed IV Fiber Reinforcement II Type of Fibers Ratio Grancrete PCW paste ¼ Glass Grid vs Single Layer Basalt C-Grid Double Layer Carbon Strands 1 Glass Grid Epoxy vs
31 Test Results SLAB ID CRACKING YIELD MAX LOAD DEFLECTION AT DUCTILITY FAILURE Load (kips) Deflection (in) Load (kips) Deflection (in) (kips) 85% MAX LOAD (in) MODE CAST #1 Control * 5.18* Concrete Crushing GS-G-1-C Fiber Rupture GS-G-1-S Fiber Rupture GS-E-1-C Fiber Rupture B-G-1-C Concrete Crushing B-G-1-S * 6.44* Concrete Crushing B-E-1-C Fiber Rupture B-G-2-C Concrete Crushing CAST #2 Control Concrete Crushing GL-G-1-C Fiber Rupture GL-E-1-C Fiber Rupture CG-G-1-C Fiber Rupture CG-E-1-C Fiber Rupture CS-G-1-C Fiber Rupture CS-E-1-C Fiber Rupture CS-G-2-C Concrete Crushing CAST #3 Control Concrete Crushing B-G-1-C Concrete Crushing B-G-2-C Concrete Crushing B-E-2-C Fiber Rupture CS-G-1-C Fiber Rupture CS-G-2-C Concrete Crushing CS-E-2-C Fiber Rupture CG-G-2-C Fiber Rupture * Test stopped before reching 85% of maximum load. Maximum recorded deflection used instead. 31
32 MEASURED / CONTROL MEASURED / CONTROL Typical Test Results Max Load Yield Load Crack Load Load at different stages Ductility Data dimensionalized with respect to the control specimen 32
33 Test Results Relative % Increase in Max Load Per Fiber Area Glass Grid (1/4 spacing) Basalt Grid Glass Grid (1 spacing) C-Grid Carbon Strands 33
34 Effects Method of Application No major differences observed Both methods adequate for FRP application Spray Positive moment regions Cast Negative moment regions 34
35 Effects Type of Fibers All fibers increased load capacity Basalt quality control Fibers with high tensile strength and modulus increase load capacity and decrease ductility Fiber grids with small spacing may cause localized debonding Carbon Strand Carbon-Grid 0.25 Glass Grid 1 Glass Grid Basalt Grid 35
36 Effects Bonding Material Epoxy had slightly higher load capacity Epoxy caused fibers to rupture at a single crack Grancrete had slightly higher deflection and ductility Grancrete forms well distributed flexural cracks Grancrete Epoxy 36
37 Effects Fiber Reinforcement Ratio Higher reinforcement ratio increases flexural capacity Higher reinforcement ratio reduces ductility 1 Layer Carbon Strands 2 Layers Carbon Strands 37
38 Work In Progress I. Advanced Fiber Strengthening Systems for Concrete Structures Applied Load P P 38
39 Materials to be Investigated Fibers Carbon Strand Carbon Grid Glass Grid Adhesive Epoxy Cementious Bonding Matrix Grancrete Carbon Strand 0.25 Glass Grid 1 Glass Grid Carbon-Grid 39
40 Test Matrix Specimen ID Fiber Details Adhesive Application Reinforcement Ratio No. of Specimens CONTROL NONE NONE NONE NONE 2 HT-E-E HT -G-E-1 High Tensile Epoxy Externally Bonded (EB) 1.64 mm 1 EB 1.64 mm 1 HT -G-E-3 Carbon Strand EB 3.28 mm 1 Grancrete HT -G-E-4 EB 4.92 mm 1 HT -G-NSM NSM HM-E-E Epoxy EB 1.64 mm 1 HM-G-E-1 EB 1.64 mm 1 High Modulus HM-G-E-3 EB 3.28 mm 1 Carbon Strand Grancrete HM-G-E-4 EB 4.92 mm 1 HM-G-NSM NSM C-E-E Carbon Grid Epoxy EB 19 mm Grid 1 C-G-E Grancrete EB 19 mm Grid 1 C-C-E Cementious Bonding Matrix EB 19 mm Grid 2 G-G-0.25 Grancrete EB 0.25 inch Grid 1 Glass Grid G-G-0.5 Grancrete EB 1.0 inch Grid 1 Total Number of Slab Specimens 18 IV III Reinforcement Type Application of Fiber II Bonding Ratio Method Material Glass 1.64 Grid mm 3.28 mm Carbon EB Epoxy 4.92 mm Grid Grancrete 19 mm Carbon Grid Strands Cementious Bonding 0.25 and Matrix 1.0 Grid NSM 40
41 Reinforcement Ratio for Carbon Strands Type 1 Type 2 Type 3 Type 4 41
42 Different Application Techniques Cut grooves for FRP strengthening Elevation View Plan View Externally Bonded (EB) Near Surface Mounted (NSM) 42
43 Work in Progress II. CFRP Strengthening System for Reinforced Concrete Structures 43
44 Motivation Experimental study of innovative CFRP sheet strengthening system for RC structures Phase I - Physical and Mechanical Properties and Aging Tensile Properties Creep (Tensile) Glass transition temperature Void Content Coefficient of Thermal Expansion Interlaminar Shear Strength Phase II - Large Specimen Testing RC beams in flexure and shear RC slabs in flexure RC columns in axial compression 44
45 Physical and Mechanical Properties and Aging Witness Panels Coupon Specimens Testing Tensile Properties 45
46 Large Specimen Testing (c) Column 46
47 Test Matrix Beams and Slabs 47
48 Test Matrix Columns 48
49 49
50 PI: Dr. Sami Rizkalla Industrial Collaborator: AltusGroup, Inc. Graduate Students: Greg Bunn Overview : Investigate the fundamental properties of a unique CFRP shear transfer mechanism. Budget : $50,000 50
51 Precast, reinforced, and prestressed concrete sandwich panels have been produced for over 50 years. Panels are typically load bearing and provide insulating value. 51
52 Provides up to 100% composite action by transferring all forces across the insulation that separates the two wythes of concrete through truss action. Creates a more thermally efficient building envelope. 52
53 Expanded Polystyrene Insulation (EPS) Closed-cell Insulation Manufactured by expanding a polystyrene polymer Extruded Polystyrene Insulation (XPS) Rigid Insulation Manufactured using and extrusion process of polystyrene polymer 53
54 Dual Reaction Frames 150 Kip Load Cell Two - 60 ton Hydraulic Jacks Linear Pots 54 Outer Wythes Supported
55 Insulation Type EPS XPS Insulation Thickness EPS XPS 2" 2" 4" 4" 6" 8" Panel Width 24" 36" 48" 72" CGRID Spacing 12" 18" 24" 36" Insulation Concrete Interface Bonded - Typical Practice Debonded - Plastic Sheets Breaking Bond CGRID Continuity No Gap 6" Gap CGRID Orientation Vertical Transverse 55
56 Load (lbs.) EPS.24.2.A Load vs Displacement - 8 Sensors LP1 LP2 LP3 LP4 LP5 LP6 LP7 LP Displacement (inches) 56
57 Load (lb) " Panel w/ 18" CGRID Spacing EPS.18.2.A EPS.18.2.B XPS.18.2.A EPS Insulation Shear Flow = lb/in Shear Stress = psi XPS.18.2.B Average Deflection (in) XPS Insulation Shear Flow = lb/in Shear Stress = psi
58 Load (lb) " Panel w/ 36" CGRID Spacing - 4" Insulation EPS.36.4.A 72EPS.36.4.B EPS Insulation Shear Flow = lb/in Shear Stress = psi XPS Insulation Shear Flow = lb/in Shear Stress = psi XPS.36.4.A XPS.36.4.B Average Deflection (in)
59 Load (lb) Transverse Panels EPS.36.2.TRANS.A 48EPS.36.2.TRANS.B Transverse XPS Panels Avg. Shear Flow = lb/in Avg. Shear Stress = psi Transverse EPS Panels Avg. Shear Flow = lb/in Avg. Shear Stress = psi XPS.36.2.TRANS.B XPS.36.2.TRANS.A Average Deflection (in) Scale changed from in.
60 Typ. Buckling of Cords in Compression Typ. Rupturing of Cords in Tension 60
61 Observed Pull-Out of CGRID in Some Cases Typ. Rupturing of Cords in Tension 61
62 T T 62
63 Load (lb) " EPS vs XPS - Tension Specimens " EPS EPS Max Strength = lb/in XPS Max Strength = lb/in " XPS Average Deflection (in)
64 64 P
65 Deflection (mm) 7 Creep - XPS vs EPS 45% Max Load 6 EPS XPS Time (days)
66 EPS insulation exhibits greater shear capacity. XPS panels rely primarily on the CGRID reinforcement. Increasing the thickness of EPS tends to have a negative effect on the shear capacity. Increasing thickness of XPS seems to have minimal effect. Tension tests exhibited similar behavior. 66
67 Analyze test data to provide design guidelines for use of CGRID as a shear transfer mechanism in precast concrete wall panels. Investigate the effect of freeze/thaw cycling on composite action. Complete 1 year creep testing In progress. Explore the use of other FRP and insulation types in wall panels. 67
68 68
69 PI: Dr. Sami Rizkalla & Dr. Tamon Ueda Industrial Collaborators: Fyfe Company, LLC & Nippon Steel Materials Co., Ltd. Graduate Students: Dillon Lunn & Shohei Maeda Objective: Explore the performance of innovative FRP anchorage systems for strengthening of masonry infill walls Budget: $50,000 69
70 Motivation Flexural Shear Sliding Failure 70
71 71 Test Setup
72 FRP Anchorage Systems Control Overlap Mechanical Embedded Bar Fiber Anchor 72
73 FRP Anchorage Systems Shear Key Near Surface Mounted 73
74 Shear Embedded Control Overlap NSM Fiber CFRP Key Anchor Restraint Bar Underside Top of GFRP Mortar Joint After Failure after Failure GFRP GFRP GFRP Horizontal Pullout Crack (Right) Anchor Rupture (left) NSM CFRP w/grancrete Debonding Shear keys Embedded NSM Bar Strands FRP Rupture GFRP Top Mortar Joint after Failure PET Top Mortar Joint after Failure GFRP Top Mortar Joint after Failure PET NSM CFRP w/epoxy PET PET Underside of PET after Failure Shear keys NSM Strands Anchor Pullout 74
75 75 Ultimate Strength Comparison
76 76 Ultimate Displacement Comparison
77 Future Work Non-Linear Finite Element Analysis Material non-linearity Geometric non-linearity Conclusions Increase in strength of between 1.6 to 7.2 times the control Change in displacement capacity ranged between 0.6 to 4.5 times the control Mode of failure closely related to type of anchorage GFRP typically provided greater strength, while PET provided greater ductility 77
78 78
79 Move to accept the Korea Institute of Construction Technology (KICT) as a member of the NSF I/UCRC Center for Integration of Composites into Infrastructure (CICI) for the period of Feb 1, 2011 to June 30, The research project that will be undertaken is the Use of FRP for Innovative Insulated Concrete Sandwich Panels. PI: Dr. Sami Rizkalla Graduate Student: Greg Bunn 79
FRP Anchorage Systems for Infill Masonry Structures
FRP Anchorage Systems for Infill Masonry Structures Dillon S. Lunn Graduate Research Assistant, Department of Civil, Construction, and Environmental Engineering, North Carolina State University, Raleigh,
More informationFLEXURAL AND SHEAR STRENGTHENING OF REINFORCED CONCRETE STRUCTURES WITH NEAR SURFACE MOUNTED FRP RODS
FLEXURAL AND SHEAR STRENGTHENING OF REINFORCED CONCRETE STRUCTURES WITH NEAR SURFACE MOUNTED FRP RODS ABSTRACT The use of Near Surface Mounted (NSM) Fiber Reinforced Polymer (FRP) rods is a new and promising
More informationSHEAR AND BUCKLING STRENGTHENING OF STEEL BRIDGE GIRDER USING SMALL-DIAMETER CFRP STRANDS
20 th International Conference on Composite Materials Copenhagen, 19-24 th July 2015 SHEAR AND BUCKLING STRENGTHENING OF STEEL BRIDGE GIRDER USING SMALL-DIAMETER CFRP STRANDS Hamid Kazem 1, Sami Rizkalla
More informationUse of CFRP for Strengthening Steel Structures & Bridges
Use of CFRP for Strengthening Steel Structures & Bridges S. Rizkalla 1 and M. Dawood 2 1 Distinguished Professor of Civil Engineering and Construction, 2 Ph.D. Candidate, Constructed Facilities Laboratory,
More informationFRP FOR SUSTAINABLE PRECAST CONCRETE STRUCTURES
FRP FOR SUSTAINABLE PRECAST CONCRETE STRUCTURES Sami Rizkalla North Carolina State University October 21-22, 2009 1 Underground Precast Utility Tanks 2 1993 Beddington Trail Bridge First Bulb-Tee bridge
More informationBEHAVIOR OF INFILL MASONRY WALLS STRENGTHENED WITH FRP MATERIALS
BEHAVIOR OF INFILL MASONRY WALLS STRENGTHENED WITH FRP MATERIALS D.S. Lunn 1,2, V. Hariharan 1, G. Lucier 1, S.H. Rizkalla 1, and Z. Smith 3 1 North Carolina State University, Constructed Facilities Laboratory,
More informationFATIGUE BEHAVIOR OF IMPACT DAMAGED PRESTRESSED CONCRETE BRIDGE GIRDER REPAIRED WITH CFRP SHEETS
FATIGUE BEHAVIOR OF IMPACT DAMAGED PRESTRESSED CONCRETE BRIDGE GIRDER REPAIRED WITH CFRP SHEETS Anthony Miller, Owen Rosenboom, Sami Rizkalla North Carolina State University, United States of America Abstract
More informationPresentation in support of
Presentation in support of Proposed Acceptance Criteria For Continuous or Semi- Continuous Fiber-Reinforced Grid Connectors used in combination with Rigid Insulation in Concrete Sandwich Panel Construction
More informationPerformance of NSM FRP strengthened concrete slabs at low temperatures
Fourth International Conference on FRP Composites in Civil Engineering (CICE8) 22-24July 8, Zurich, Switzerland Performance of NSM FRP strengthened concrete slabs at low temperatures P. Burke, L.A. Bisby
More informationCFRP STRENGTHENING OF CONCRETE BRIDGES WITH CURVED SOFFITS
CFRP STRENGTHENING OF CONCRETE BRIDGES WITH CURVED SOFFITS Nagaraj Eshwar Dr Tim Ibell Dr Antonio Nanni Graduate Research Assistant Senior Lecturer Jones Professor CIES, # 223 ERL University of Bath CIES,
More informationSEISMIC RETROFITTING OF REINFORCED CONCRETE COLUMNS USING CARBON FIBER REINFORCED POLYMER (CFRP)
Asia-Pacific Conference on FRP in Structures (APFIS 7) S.T. Smith (ed) 7 International Institute for FRP in Construction SEISMIC RETROFITTING OF REINFORCED CONCRETE COLUMNS USING CARBON FIBER REINFORCED
More informationEFFECT OF EMBEDMENT LENGTH ON THE PERFORMANCE OF SHEAR-STRENGTHENED RC BEAMS WITH L-SHAPED CFRP PLATES
THE 19 TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS EFFECT OF EMBEDMENT LENGTH ON THE PERFORMANCE OF SHEAR-STRENGTHENED RC BEAMS WITH L-SHAPED CFRP PLATES 1 A. Mofidi 1 *, S. Thivierge 2, O. Chaallal
More informationSTRENGTHENING OF INFILL MASONRY WALLS USING BONDO GRIDS WITH POLYUREA
I.1 June 2005 STRENGTHENING OF INFILL MASONRY WALLS USING BONDO GRIDS WITH POLYUREA SUMMARY Glass fiber reinforced polymer (GFRP) grids reinforced polyurea was used to strengthen unreinforced concrete
More informationFlexural Behavior of RC T- Section Beams Strengthened with Different Configurations of CFRP Laminates
Research Article International Journal of Current Engineering and Technology ISSN 2277-4106 2012 INPRESSCO. All Rights Reserved. Available at http://inpressco.com/category/ijcet Flexural Behavior of RC
More informationFlexural strengthening of reinforced concrete beams using externally bonded FRP laminates prestressed with a new method
Flexural strengthening of reinforced concrete beams using externally bonded FRP laminates prestressed with a new method Jincheng Yang 1, Reza Haghani 1, Mohammad Al-Emrani 1 1 Chalmers University of Technology,
More informationUltimate strength prediction for reinforced concrete slabs externally strengthened by fiber reinforced polymer (FRP)
Ultimate strength prediction for reinforced concrete slabs externally strengthened by fiber reinforced polymer (FRP) Abstract This paper presents the potential use of externally bonded fiber reinforced
More informationFRP STRENGTHENING OF 60 YEAR OLD PRE-STRESSED CONCRETE BRIDGE DECK UNITS
FRP STRENGTHENING OF 60 YEAR OLD PRE-STRESSED CONCRETE BRIDGE DECK UNITS Ryan Cork, Jack Foote, Leo de Waal, Van Thuan Nguyen, Dilum Fernando School of Civil Engineering, The University of Queensland,
More informationLOAD-BEARING PRECAST CONCRETE SANDWICH WALL PANELS WITH BASALT-FRP REINFORCEMENT AND TIES
The 12th International Symposium on Fiber Reinforced Polymers for Reinforced Concrete Structures (FRPRCS-12) & The 5th Asia-Pacific Conference on Fiber Reinforced Polymers in Structures (APFIS-2015) Joint
More informationFlexural Behavior of RC T- Section Beams Strengthened with Different Configurations of CFRP Laminates
I NPRESSCO NTERNATIONAL PRESS CORPORATION Research Article International Journal of Current Engineering and Technology ISSN 2277-4106 2012 INPRESSCO. All Rights Reserved. Available at http://inpressco.com/category/ijcet
More information2.0 REVIEW OF LITERATURE. In the last few years, the use of fiber-reinforced plastic (FRP) rebars to replace steel
14 2.0 REVIEW OF LITERATURE 2.1 General In the last few years, the use of fiber-reinforced plastic (FRP) rebars to replace steel rebars has emerged as one of the many techniques put forward to enhance
More informationSTRENGTHENING OF UNBONDED POST-TENSIONED CONCRETE SLABS USING EXTERNAL FRP COMPOSITES
STRENGTHENING OF UNBONDED POST-TENSIONED CONCRETE SLABS USING EXTERNAL FRP COMPOSITES F. El M e s k i 1 ; M. Harajli 2 1 PhD student, Dept. of Civil and Environmental Engineering, American Univ. of Beirut;
More informationOUT OF PLANE BEHAVIOR OF MASONRY INFILL WALLS RETROFITTED WITH A REINFORCED POLYMER GRID AND POLYUREA SYSTEM
OUT OF PLANE BEHAVIOR OF MASONRY INFILL WALLS RETROFITTED WITH A REINFORCED POLYMER GRID AND POLYUREA SYSTEM Trevor Hrynyk Graduate Research Assistant CIES / Department of Civil, Arch., & Env. Engineering
More informationSTRENGTHENING STEEL-CONCRETE COMPOSITE BRIDGES WITH HIGH MODULUS CARBON FIBER REINFORCED POLYMER (CFRP) LAMINATES
Composites in Construction 2005 Third International Conference, Hamelin et al (eds) 2005 ISBN xxxxx Lyon, France, July 11 13, 2005 STRENGTHENING STEEL-CONCRETE COMPOSITE BRIDGES WITH HIGH MODULUS CARBON
More informationStrengthening of Reinforced Concrete Beams using Near-Surface Mounted FRP Mohamed Husain 1, Khaled Fawzy 2, and Mahmoud Nasr 3
ISSN: 239-5967 ISO 900:2008 Certified Volume 4, Issue 5, September 205 Strengthening of Reinforced Concrete Beams using Near-Surface Mounted FRP Mohamed Husain, Khaled Fawzy 2, and Mahmoud Nasr 3 Abstract-
More informationUPGRADING SHEAR-STRENGTHENED RC BEAMS IN FATIGUE USING EXTERNALLY-BONDED CFRP
UPGRADING SHEAR-STRENGTHENED RC BEAMS IN FATIGUE USING EXTERNALLY-BONDED CFRP Georges El-Saikaly 1 and Omar Chaallal 2 1 PhD candidate, Department of Construction Engineering, University of Quebec, École
More informationFRP Shear Transfer Mechanism for Precast Prestressed Concrete Sandwich Load Bearing Panels. Sami Rizkalla, Tarek Hassan and Gregory Lucier
FRP Shear Transfer Mechanism for Precast Prestressed Concrete Sandwich Load Bearing Panels Sami Rizkalla, Tarek Hassan and Gregory Lucier Synopsis: This paper describes the structural behavior of precast
More informationExperimental Study of Reinforced Concrete (RC) Beams Strengthened by Carbon Fiber Reinforced Polymer (CFRP): Effect of Beam Size and Length of CFRP.
Experimental Study of Reinforced Concrete (RC) Beams Strengthened by Carbon Fiber Reinforced Polymer (CFRP): Effect of Beam Size and Length of CFRP. Mohit Jaiswal Assistant Professor, Department of Civil
More informationSHEAR PERFORMANCE OF RC MEMBERS STRENGTHENED WITH EXTERNALLY BONDED FRP WRAPS
Proc., 12th World Conference on Earthquake Engineering, Jan 3- Feb 4, 2, Auckland, New Zealand, paper 35,1 pp SHEAR PERFORMANCE OF RC MEMBERS STRENGTHENED WITH EXTERNALLY BONDED FRP WRAPS AHMED KHALIFA,
More informationMECHANICAL CHARACTERIZATION OF SANDWICH STRUCTURE COMPRISED OF GLASS FIBER REINFORCED CORE: PART 1
Composites in Construction 2005 Third International Conference Lyon, France, July 11 13, 2005 MECHANICAL CHARACTERIZATION OF SANDWICH STRCTRE COMPRISED OF GLASS FIBER REINFORCED CORE: PART 1 S.V. Rocca
More informationBEHAVIOR OF 40 YEAR-OLD PRESTRESSED CONCRETE BRIDGE GIRDERS STRENGTHENED WITH CFRP SUBJECTED TO CYCLIC LOADING
Composites in Construction 05 Third International Conference, Hamelin et al (eds) 05 ISBN xxxxx Lyon, France, July 11 13, 05 BEHAVIOR OF YEAR-OLD PRESTRESSED CONCRETE BRIDGE GIRDERS STRENGTHENED WITH CFRP
More informationBEHAVIOUR OF RC BEAMS STRENGTHENED WITH NSM STEEL AND CFRP BARS
BEHAVIOUR OF RC BEAMS STRENGTHENED WITH NSM STEEL AND CFRP BARS by Mohd Zamin Jumaat, Md. Akter Hosen, Kh. Mahfuz Ud Darain and M. Obaydullah Department of Civil Engineering Faculty of Engineering University
More informationFATIGUE BEHAVIOR OF CFRP-STRENGTHENED REINFORCED CONCRETE BRIDGE GIRDERS. Abstract
FATIGUE BEHAVIOR OF CFRP-STRENGTHENED REINFORCED CONCRETE BRIDGE GIRDERS John Aidoo, University of South Carolina, Columbia, SC Dr. Kent A. Harries, University of South Carolina, Columbia, SC Dr. Michael
More informationSTRENGTHENING OF MASONRY WITH NEAR SURFACE MOUNTED FRP BARS. Abstract
STRENGTHENING OF MASONRY WITH NEAR SURFACE MOUNTED FRP BARS J. Gustavo Tumialan, University of Missouri-Rolla, Rolla, MO Nestore Galati, University of Missouri-Rolla, Rolla, MO Sinaph M. Namboorimadathil,
More information1514. Structural behavior of concrete filled carbon fiber reinforced polymer sheet tube column
1514. Structural behavior of concrete filled carbon fiber reinforced polymer sheet tube column Kyoung Hun Lee 1, Heecheul Kim 2, Jaehong Kim 3, Young Hak Lee 4 1 Provincial Fire and Disaster Headquarters,
More informationBEHAVIOUR OF FIBRE REINFORCED POLYMER REINFORCED CONCRETE BEAMS WITH FIBRE MESH SHEAR REINFORCEMENT
Building Tomorrow s Society Bâtir la Société de Demain Fredericton, Canada June 13 June 16, 2018/ Juin 13 Juin 16, 2018 BEHAVIOUR OF FIBRE REINFORCED POLYMER REINFORCED CONCRETE BEAMS WITH FIBRE MESH SHEAR
More informationABC-UTC. Research Progress Report (Feasibility Study) Title: Alternative ABC Connections Utilizing UHPC. March, 2017
ABC-UTC Research Progress Report (Feasibility Study) Title: Alternative ABC Connections Utilizing UHPC ABSTRACT March, 2017 Accelerated Bridge Construction (ABC) is a method of bridge construction designed
More informationSTATIC AND FATIGUE PERFORMANCE OF 40 YEAR OLD PRESTRESSED CONCRETE GIRDERS STRENGTHENED WITH VARIOUS CFRP SYSTEMS
STATIC AND FATIGUE PERFORMANCE OF 40 YEAR OLD PRESTRESSED CONCRETE GIRDERS STRENGTHENED WITH VARIOUS CFRP SYSTEMS O. A. ROSENBOOM, Dr. T. K. HASSAN Department of Civil, Construction, & Environmental Engineering,
More informationUSE OF ANCHORS IN SHEAR STRENGTHENING OF REINFORCED CONCRETE T-BEAMS WITH FRP
USE OF ANCHORS IN SHEAR STRENGTHENING OF REINFORCED CONCRETE T-BEAMS WITH FRP Lambros KOUTAS Post-graduate student Dept. of Civil Engineering, University of Patras Patras GR-26500, Greece koutasciv@upatras.gr*
More informationINNOVATIVE USE OF FRP FOR SUSTAINABLE PRECAST STRUCTURES
INNOVATIVE USE OF FRP FOR SUSTAINABLE PRECAST STRUCTURES: Using carbon-fiber-reinforced grids in walls and other components Sami H. Rizkalla, PhD, North Carolina State University Gregory Lucier, PhD, North
More informationExtending the Lifespan of Structural Concrete
Extending the Lifespan of Structural Concrete Jeff West, Ph.D., P.E. Dept. of Civil and Environmental Engineering Two focus areas: Extending the Lifespan of Structural Concrete Strengthening of existing
More informationDetermining the Bond-Dependent Coefficient of Glass Fiber- Reinforced Polymer (GFRP) Bars
Final Report Determining the Bond-Dependent Coefficient of Glass Fiber- Reinforced Polymer (GFRP) Bars By George Morcous, Ph. D., P.E. Eliya Henin, M.Sc., Ph.D. Candidate University of Nebraska-Lincoln,
More informationStructural Performance of 8-inch NRG Concrete Masonry Units. Report Compiled for: Niagara Regional Group. Date: January 28, 2013
Structural Performance of 8-inch NRG Concrete Masonry Units Report Compiled for: Niagara Regional Group Date: January 28, 2013 Report Prepared by: Dr. Shawn Gross, Associate Professor Dr. David Dinehart,
More informationAFRP retrofitting of RC structures in Japan
AFRP retrofitting of RC structures in Japan H. Shinozaki Civil Engineering R&D Department, Sumitomo Mitsui Construction Corporation, Japan G.R. Pandey School of Engineering, James Cook University, Australia
More informationFinite Element Analysis of RC Beams Strengthened with FRP Sheets under Bending
Australian Journal of Basic and Applied Sciences, 4(5): 773-778, 2010 ISSN 1991-8178 Finite Element Analysis of RC Beams Strengthened with FRP Sheets under Bending 1 2 Reza Mahjoub, Seyed Hamid Hashemi
More informationRESEARCH ON SEISMIC RETROFIT OF EARTHQUAKE-DAMAGED AND SEISMIC-DEFICIENT STRUCTURES USING FIBRE-REINFORCED POLYMER (FRP) TECHNOLOGY
Konferensi Nasional Teknik Sipil 3 (KoNTekS 3) Jakarta, 6 7 Mei 2009 RESEARCH ON SEISMIC RETROFIT OF EARTHQUAKE-DAMAGED AND SEISMIC-DEFICIENT STRUCTURES USING FIBRE-REINFORCED POLYMER (FRP) TECHNOLOGY
More informationNafadi, Khalaf Alla, Lucier, Rizkalla, Zia and Klein BEHAVIOR AND DESIGN OF DIRECTLY LOADED LEDGES OF SHORT SPAN L- SHAPED BEAMS
BEHAVIOR AND DESIGN OF DIRECTLY LOADED LEDGES OF SHORT SPAN L- SHAPED BEAMS Mohamed Nafadi, Omar Khalaf Alla, Gregory Lucier, Sami Rizkalla, Paul Zia, NC State University, Raleigh, NC and Gary Klein, Wiss,
More informationSEISMIC REHABILITATION OF REINFORCED CONCRETE BRIDGE COLUMNS IN MODERATE EARTHQUAKE REGIONS USING FRP COMPOSITES
13 th World Conference on Earthquake Engineering Vancouver, B.C., Canada August 1-6, 24 Paper No. 58 SEISMIC REHABILITATION OF REINFORCED CONCRETE BRIDGE COLUMNS IN MODERATE EARTHQUAKE REGIONS USING FRP
More informationBEHAVIOR OF FRP SANDWICH PANELS FOR TRANSPORTATION INFRASTRUCTURE
IV ACMBS MCAPC 4 th International Conference on Advanced Composite Materials in Bridges and Structures 4 ième Conférence Internationale sur les matériaux composites d avant-garde pour ponts et charpentes
More informationA STUDY ON THE BEHAVIOUR OF RC BEAMS RETROFITTED USING CFRP LAMINATES UNDER SINGLE POINT LOADING
Int. J. Chem. Sci.: 14(S1), 2016, 302-310 ISSN 0972-768X www.sadgurupublications.com A STUDY ON THE BEHAVIOUR OF RC BEAMS RETROFITTED USING CFRP LAMINATES UNDER SINGLE POINT LOADING P. L. KARUPPIAH a,*,
More informationEFFECTS OF SUSTAINED LOAD AND FREEZE-THAW EXPOSURE ON RC BEAMS STRENGTHENED WITH PRESTRESSED NSM-CFRP STRIPS
Fourth Asia-Pacific Conference on FRP in Structures (APFIS 2013) 11-13 December 2013, Melbourne, Australia 2013 International Institute for FRP in Construction EFFECTS OF SUSTAINED LOAD AND FREEZE-THAW
More informationLATEST ACHIEVEMENT IN TECHNOLOGY AND RESEARCH OF RETROFITTING CONCRETE STRUCTURES
LATEST ACHIEVEMENT IN TECHNOLOGY AND RESEARCH OF RETROFITTING CONCRETE STRUCTURES Ueda T, Hokkaido University, Japan Wu Z, Ibaraki University, Japan Kanakubo T, Tsukuba University, Japan Abstract Major
More informationRepair and Strengthening of Highway Bridges with FRP
ABSTRACT Repair and Strengthening of Highway Bridges with FRP M.M. Dawood, O.A. Rosenboom & S.H. Rizkalla Constructed Facilities Laboratory, North Carolina State University Email: sami_rizkalla@ncsu.edu
More informationINNOVATIVE HYBRID WEARING SURFACES FOR FRP BRIDGE DECKS
16 TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS INNOVATIVE HYBRID WEARING SURFACES FOR FRP BRIDGE DECKS Riyad S. Aboutaha Syracuse University Keywords: FRP decks, bridge decks, wearing surfaces Abstract
More informationPRE-CONSTRUCTION INVESTIGATION FOR THE REHABILITATION OF A BRIDGE USING INTERNAL FRP TECHNOLOGIES
IV ACMBS MCAPC ADVANCED COMPOSITE MATERIALS IN BRIDGES AND STRUCTURES MATÉRIAUX COMPOSITES D AVANT-GARDE POUR PONTS ET CHARPENTES Calgary, Alberta, July 20 23, 2004 / 20 23 juillet 2004 PRE-CONSTRUCTION
More informationFatigue and Overloading Behavior of Steel Concrete Composite Flexural Members Strengthened with High Modulus CFRP Materials
Fatigue and Overloading Behavior of Steel Concrete Composite Flexural Members Strengthened with High Modulus CFRP Materials M. Dawood 1 ; S. Rizkalla 2 ; and E. Sumner 3 Abstract: Due to corrosion and
More informationStrengthening Highway Bridges with CFRP Composites
Strengthening Highway Bridges with CFRP Composites By Tarek Alkhrdaji The future growth of nations and their economical prosperity are closely related to the potency of their transportation infrastructures.
More informationCarbon Fibre Textile
Identification No. R - 15 Carbon Fibre Textile 1.Description: Unidirectional carbon fibre textile with carbon fibres in the longitudinal direction. This textile is protected against pollution by a membrane.
More informationRetrofitting methods
Retrofitting methods EDCE: Civil and Environmental Engineering CIVIL 706 - Advanced Earthquake Engineering EDCE-EPFL-ENAC-SGC 2016-1- Content Strategies Weakening Steel bracing Reinforced concrete shear
More informationFINITE ELEMENT ANALYSIS OF REINFORCED CONCRETE BRIDGE PIER COLUMNS SUBJECTED TO SEISMIS LOADING
FINITE ELEMENT ANALYSIS OF REINFORCED CONCRETE BRIDGE PIER COLUMNS SUBJECTED TO SEISMIS LOADING By Benjamin M. Schlick University of Massachusetts Amherst Department of Civil and Environmental Engineering
More informationDebonding Behavior of Skew FRP-Bonded Concrete Joints
CICE 2010 - The 5th International Conference on FRP Composites in Civil Engineering September 27-29, 2010 Beijing, China Debonding Behavior of Skew FRP-Bonded Concrete Joints J. G. Dai (cejgdai@polyu.edu.hk)
More informationConcrete-filled fiber reinforced polymer tube-footing interaction in bending
Fourth International Conference on FRP Composites in Civil Engineering (CICE2008) 22-24July 2008, Zurich, Switzerland Concrete-filled fiber reinforced polymer tube-footing interaction in bending Y. C.
More informationBasic types of bridge decks
Bridge Deck Slab 1 Introduction 2 Bridge deck provide the riding surface for traffic, support & transfer live loads to the main load carrying member such as girder on a bridge superstructure. Selection
More informationAN INNOVATIVE DUCTILE COMPOSITE FABRIC FOR STRENGTHENING CONCRETE STRUCTURES. Abstract
AN INNOVATIVE DUCTILE COMPOSITE FABRIC FOR STRENGTHENING CONCRETE STRUCTURES Nabil F. Grace, Lawrence Technological University, Southfield, MI George Abdel-Sayed, University of Windsor, Windsor, ON Wael
More informationExperimental investigation of the use of CFRP grid for shear strengthening of RC beams
Journal of Asian Concrete Federation Vol. 2, No. 2, Dec. 2016, pp. 117-127 ISSN 2465-7964 / eissn 2465-7972 http://dx.doi.org/10.18702/acf.2016.12.2.2.117 Experimental investigation of the use of CFRP
More informationFiber Reinforced Polymer Composites for Infrastructure Strengthening - From Research to Practice
Fiber Reinforced Polymer Composites for Infrastructure Strengthening - From Research to Practice Antonio Nanni University of Missouri Rolla and University of Naples Federico II Abstract This paper focuses
More informationStrengthening of infilled RC frames by CFRP
Earthquake Resistant Engineering Structures V 591 Strengthening of infilled RC frames by CFRP G. Erol, K. Taskın, E. Yuksel & H. F. Karadogan Civil Engineering Faculty of Istanbul Technical University,
More informationMoment curvature analysis of concrete flexural members confined with CFRP grids
Materials Characterisation V 131 Moment curvature analysis of concrete flexural members confined with CFRP grids A. Michael & P. Christou Department of Civil Engineering, Frederick University, Cyprus Abstract
More informationSEISMIC STRENGTHENING OF INFILLED RC FRAMES BY CFRP
SEISMIC STRENGTHENING OF INFILLED RC FRAMES BY CFRP G. Erol 1, H.F. Karadogan 2, F. Cili 3 ABSTRACT : 1 Research Assistant, Faculty of Architecture, Istanbul Technical University, Istanbul, Turkey 2 Professor,
More informationUse of Externally Bonded FRP Systems for Rehabilitation of Bridges in Western Canada
Use of Externally Bonded FRP Systems for Rehabilitation of Bridges in Western Canada Robin Hutchinson, Gamil Tadros, Jadwiga Kroman, Sami Rizkalla Synopsis: Since its inception in 1995, the ISIS Canada
More informationTests of R/C Beam-Column Joint with Variant Boundary Conditions and Irregular Details on Anchorage of Beam Bars
October 1-17, 8, Beijing, China Tests of R/C Beam-Column Joint with Variant Boundary Conditions and Irregular Details on Anchorage of Beam Bars F. Kusuhara 1 and H. Shiohara 1 Assistant Professor, Dept.
More informationChapter 2 Notation and Terminology
Reorganized 318 Chapter Titles Chapter 1 General 1.1 Scope 1.2 Purpose 1.3 Interpretation 1.4 Drawings and Specifications 1.5 Testing and Inspection 1.6 Administatration and Enforcement 1.6.1 Retention
More informationRESILIENT INFRASTRUCTURE June 1 4, 2016
RESILIENT INFRASTRUCTURE June 1 4, 2016 EXPERIMENTAL STUDY ON A NOVEL SHEAR STRENGTHENING TECHNIQUE FOR PRECAST PRESTRESSED HOLLOW-CORE SLABS Xianzhe Meng MASc. Candidate, University of Windsor, Canada
More informationSeismic Behavior of Shear-Critical Reinforced Concrete Frame: Experimental Investigation
ACI STRUCTURAL JOURNAL Title no. 104-S30 TECHNICAL PAPER Seismic Behavior of Shear-Critical Reinforced Concrete Frame: Experimental Investigation by Kien Vinh Duong, Shamim A. Sheikh, and Frank J. Vecchio
More informationImprovement of the seismic retrofit performance of damaged reinforcement concrete piers using a fiber steel composite plate
Safety and Security Engineering V 853 Improvement of the seismic retrofit performance of damaged reinforcement concrete piers using a fiber steel composite plate K.-B. Han, P.-Y. Song, H.-S. Yang, J.-H.
More informationApplication of Tensioned CFRP Strip Method to an Existing Bridge
SP-230 66 Application of Tensioned CFRP Strip Method to an Existing Bridge by A. Tateishi, A. Kobayashi, Y. Hamada, T. Takahashi, and H. Yasumori Synop nopsis: s: Tensioned carbon fiber reinforced polymer
More informationCharacterization of Physical Properties of Roadware Clear Repair Product
Characterization of Physical Properties of Roadware Clear Repair Product November 5, 2009 Prof. David A. Lange University of Illinois at Urbana-Champaign Introduction Roadware MatchCrete Clear (MCC) is
More informationFlexural behavior of aged prestressed concrete girders strengthened with various FRP systems
Construction and Building Materials 21 (2007) 764 776 Construction and Building MATERIALS www.elsevier.com/locate/conbuildmat Flexural behavior of aged prestressed concrete girders strengthened with various
More informationSEISMIC STRENGTHENING AND REPAIR OF REINFORCED CONCRETE SHEAR WALLS
SEISMIC STRENGTHENING AND REPAIR OF REINFORCED CONCRETE SHEAR WALLS Josh LOMBARD 1, David T LAU 2, Jag L HUMAR 3, Simon FOO 4 And M S CHEUNG 5 SUMMARY This paper presents the results obtained in a feasibility
More informationL Shaped End Anchors to Eliminate Premature Plate End Debonding in Strengthened RC Beams
L Shaped End Anchors to Eliminate Premature Plate End Debonding in Strengthened RC Beams M. Obaydullah *, Mohd Zamin Jumaat, Md. Ashraful Alam, Kh. Mahfuz Ud Darain, and Md. Akter Hosen Department of Civil
More informationSeismic Behavior of Concrete Columns Confined with Steel and Fiber-Reinforced Polymers
ACI STRUCTURAL JOURNAL Title no. 99-S8 TECHNICAL PAPER Seismic Behavior of Concrete Columns Confined with Steel and Fiber-Reinforced Polymers by Shamim A. Sheikh and Grace Yau Results from an experimental
More informationFRP-confined concrete-encased cross-shaped steel columns: stub column tests
University of Wollongong Research Online Faculty of Engineering and Information Sciences - Papers: Part B Faculty of Engineering and Information Sciences 2016 FRP-confined concrete-encased cross-shaped
More informationFunction-integrated GFRP sandwich roof structure Experimental validation of design
Fourth International Conference on FRP Composites in Civil Engineering (CICE2008) 22-24July 2008, Zurich, Switzerland Function-integrated GFRP sandwich roof structure Experimental validation of design
More informationThe Effect of Width, Multiple Layers and Strength of FRP Sheets on Strength and Ductility of Strengthened Reinforced Concrete Beams in Flexure
Jordan Journal of Civil Engineering, Volume 9, No. 1, 2015 The Effect of Width, Multiple Layers and Strength of FRP Sheets on Strength and Ductility of Strengthened Reinforced Concrete Beams in Flexure
More informationSTRENGTHENING OF MASONRY BEAM WITH ECC AS BED JOINT
Journal of Engineering Science and Technology Special Issue on ACEE 2015 Conference August (2015) 29-39 School of Engineering, Taylor s University STRENGTHENING OF MASONRY BEAM WITH ECC AS BED JOINT S.
More informationFlexural Behaviour of Composite Girders Using FRP and Precast Ultra-High-Strength Fiber-Reinforced Concrete Slabs
Flexural Behaviour of Composite Girders Using FRP and Precast Ultra-High-Strength Fiber-Reinforced Concrete Slabs S.V.T. Janaka Perera 1*, Hiroshi Mutsuyoshi 1 and Nguyen Duc Hai 2 1 Saitama University,
More informationPrestressing Concrete with CFRP Composites for Sustainability and Corrosion-Free Applications
Prestressing Concrete with CFRP Composites for Sustainability and Corrosion-Free Applications A. Belarbi 1, M. Reda 1, P. Poudel 1, H. Tahsiri 1, M. Dawood 1, and B. Gencturk 2 1 University of Houston,
More informationPASSIVE AND ACTIVE NEAR-SURFACE MOUNTED FRP RODS FOR FLEXURAL STRENGTHENING OF RC BEAMS. Abstract
PASSIVE AND ACTIVE NEAR-SURFACE MOUNTED FRP RODS FOR FLEXURAL STRENGTHENING OF RC BEAMS Laura De Lorenzis, University of Lecce, Lecce, ITALY Francesco Micelli, University of Lecce, Lecce, ITALY Antonio
More informationParametric Analysis on the Optimal Dimensions of Steel Sleeve in Swaging Type Anchorage for CFRP Tendon
Engineering, 213, 5, 92-98 Published Online November 213 (http://www.scirp.org/journal/eng) http://dx.doi.org/1.4236/eng.213.51111 Parametric Analysis on the Optimal Dimensions of Steel Sleeve in Swaging
More informationwith Fillers Department of Civil Engineering, National Taipei University of Technology, Taiwan, R.O.C
A Study on the Mechanical Behaviour of the BFRP Decks with Fillers Yeou-Fong Li 1* and Chia-Hou Wu 1 1 Department of Civil Engineering, National Taipei University of Technology, Taiwan, R.O.C * 1, Sec.
More informationUpgrading the shear strength of non-ductile reinforced concrete frame connections using FRP overlay systems
Upgrading the shear strength of non-ductile reinforced concrete frame connections using FRP overlay systems Mohamad J. Terro Associate Professor. Civil Engineering Department, Kuwait University. Sameer
More informationSeismic Retrofit Of RC Columns With Inadequate Lap-Splice Length By External Post-Tensioned High-Strength Strips
Seismic Retrofit Of RC Columns With Inadequate Lap-Splice Length By External Post-Tensioned High-Strength Strips M. Samadi Department of civil engineering., Mashhad Branch, Islamic Azad University, Mashhad,
More informationThis article was published in an Elsevier journal. The attached copy is furnished to the author for non-commercial research and education use, including for instruction at the author s institution, sharing
More informationSeliem, Lucier, Rizkalla, and Zia BEHAVIOR OF CONCRETE BRIDGE DECKS REINFORCED WITH HIGH- STRENGTH STEEL
26 CBC BEHAVIOR OF CONCRETE BRIDGE DECKS REINFORCED WITH HIGH- STRENGTH STEEL HATEM SELIEM GREGORY LUCIER SAMI RIZKALLA PAUL ZIA Constructed Facilities Laboratory Department of Civil Engineering, North
More informationAn Experimental Investigation on Flange Bonded Retrofitting of RC Beam-Column Joints using CFRP
An Experimental Investigation on Flange Bonded Retrofitting of RC Beam-Column Joints using CFRP Abolfazl Eslami 1, Hamid Reza Ronagh 2 1 PhD Candidate, School of Civil Engineering, The University of Queensland,
More informationSTRUCTURAL STRENGTHENING WITH FRP AYDIN KHAJEPUR SIKA PARSIAN, TM REFURBISHMENT
STRUCTURAL STRENGTHENING WITH FRP AYDIN KHAJEPUR SIKA PARSIAN, TM REFURBISHMENT OVERVIEW Rigid Bonding Fields of Use Product Range of Sikadur Anchoring Structural Strengthening Reasons for strengthening
More informationBEHAVIOR OF BRIDGE DECKS REINFORCED WITH MMFX STEEL
BEHAVIOR OF BRIDGE DECKS REINFORCED WITH MMFX STEEL HATEM SELIEM GREGORY LUCIER SAMI RIZKALLA PAUL ZIA Constructed Facilities Laboratory Department of Civil Engineering, North Carolina State University
More informationStatic Behavior of 40 Year-Old Prestressed Concrete Bridge Girders Strengthened with Various FRP Systems
Static Behavior of Year-Old Prestressed Concrete Bridge Girders Strengthened with Various FRP Systems O.A. Rosenboom, R. O. Carneiro, T.K. Hassan, A. Mirmiran & S.H. Rizkalla North Carolina State University,
More informationPULLOUT CAPACITY BEHAVIOUR OF FRP-HEADED REBARS
PULLOUT CAPACITY BEHAVIOUR OF FRP-HEADED REBARS Hamdy M. Mohamed NSERC Post-Doctoral Fellow University of Sherbrooke Sherbrooke, Quebec, Canada. Hamdy.Mohamed@usherbrooke.ca Brahim Benmokrane Professor
More informationSEISMIC RETROFITTING OF REINFORCED CONCRETE BRIDGE FRAMES USING EXTERNALLY BONDED FRP SHEETS
SEISMIC RETROFITTING OF REINFORCED CONCRETE BRIDGE FRAMES USING EXTERNALLY BONDED FRP SHEETS G.R. Pandey 1, H. Mutsuyoshi 2 and R. Tuladhar 3 1 Lecturer, School of Engineering, James Cook University, Townsville,
More informationInternational Journal of Advance Research in Engineering, Science & Technology
Impact Factor (SJIF): 3.632 International Journal of Advance Research in Engineering, Science & Technology e-issn: 2393-9877, p-issn: 2394-2444 Volume 3, Issue 5, May -2016 Performance Evaluation of a
More information