Rock Mechanics Testing made easy. The practical choice for the Rock Testing laboratory requirements

Transcription

1 Rock Mechanics Testing made easy The practical choice for the Rock Testing laboratory requirements

2 CLASSIFICATION TESTS Digital rock strength index apparatus 100 kn capacity ASTM D5731 ISRM Conforming to ASTM D5731 and ISRM suggested method High stability load frame 100 kn cap with hydraulic loading ram The wide testing area allows to test both rock cylinders and irregular shaped samples Ergonomic digital readout unit with graphic display battery operated and membrane keyboard Ruler assembled on the frame allowing the direct measurement of the distance D between the conical platens before and after the test Complete set housed in an ergonomic carrying case with wheels Load capacity: 100 kn Graphic display: 128 x 80 pixels with 6 keys membrane keyboard Battery: In-built rechargeable LiPo type Effective resolution: 18 bit (1/ div.) Load measurement accuracy: ± 1 % Load resolution: 1 N Piston travel: 100 mm Distance between conical platens: 100 mm Distance between columns: 108 mm Dimensions and weight of frame /hydraulic jack: - Dimensions (l x w x h): 200 x 200 x 418 mm - Weight: 14 kg Dimensions and weight of carrying case: - Dimensions (l x w x h): 447 x 265 x 558 mm - Weight: 7.7 kg 2

3 CLASSIFICATION TESTS Rock shear box apparatus ASTM D5607 Shear box designed to accept samples up to 115 x 125mm or cores up to 102 mm dia. Conforming to ASTM D5607 Load recorded by Bourdon type load gauge (basic model) or by pressure transducer (electronic model). Loading system complete with adjustable low friction pressure maintainer to absorb volume changes during shearing action and to ensure constant vertical stress Electronic model supplied with 5 potentiometric transducers 25 mm travel and 2 pressure transducers Benefits Max. axial and shear load cap. (for both models): 50 kn Manometers range (for both models): 50 kn x 1 kn Displacement reading (for Basic model): 5 digital gauges 25 x mm Displacement reading (for Electronic model): 5 potentiometric transducers with 25 mm travel Max. sample dimensions: up to dia. 102 mm (for core specimens) and 115 mm x 125 mm (for prism specimens) Electronic model includes DATALOG8, 8 channels stand-alone datalogger, battery operated with rigid carrying case suitable for use in the field. Overall dimensions (loading frame only): 460 x 250 x 600 mm Weight approx.: 45 kg > > Shear box made in aluminium alloy > > Maximum axial and shear load capacity: 50 kn > > Reversible shear action with 48 mm stroke > > Double version available: analogic and electronic > > Data processing template available as accessory > > 2 mould formers included 3

4 UNIAXIAL AND TRIAXIAL TESTS Stress Path uniaxial and triaxial test systems ASTM D7012 ASTM D2664 ASTM D2938 ASTM D3148 ASTM D5407 ISRM EN EN 1926 High performances frames up to 5000kN cap Suitable for extremely variable materials, from soft sandstone to high-strength marbles Integrated data acquisition and results elaboration including failure envelope plotting Determination of Elastic Modulus, Poisson s ratio and strength characteristics of rock specimens under uniaxial and triaxial conditions Automatic performance of triaxial tests with combined control of axial and confining pressure, following test steps programmable by the user Extremely flexible systems ideal for academic and research purposes Possibility to perform post-peak softening analysis Benefits Oil flow control via servo-controlled proportional valve Maximum effective resolution: 19 bit (1/524,000 divisions) 4 hydraulic ports for connection of test frames Adjustable control frequency up to 120 Hz allowing to detect sudden variations of the specimen behaviour Closed-loop P.I.D. control Max. working pressure: 700 bar 8 active channels (each one can be used by the machine as feedback variable to control test execution): - 4 for load sensors > > Full PC control with integrated software modules tailored a different test methods > > Automatic multi stage stress path testing procedure for the entire failure envelope determination > > Possibility to perform post-peak softening analysis > > The failure envelope is obtained with a single test by an automatic stepwise procedure: from a single specimen it is possible to plot the complete failure path. > > Also suitable for load, stress, displacement and strain-controlled testing on concrete, fibrereinforced and shotcrete specimens (with the relevant options and accessories) - 4 for displacement / deformation transducers 4 additional channels for sample strain / displacement transducers (acquisition only) Superior control and uniformity of pressure application throughout the test 4

5 UNIAXIAL AND TRIAXIAL TESTS E-Modulus Automatic uniaxial and triaxial test systems ASTM D7012 ASTM D2664 ASTM D3148 ASTM D5407 ASTM D2938 EN EN 1926 High performances frames up to 5000 kn cap Strain values are acquired directly from Automax E Modulus console Cell pressure is maintained constant (± 1%) and axial stress is increased automatically at constant load rate up to specimen failure (single-stage) Automax E Modulus can be replaced by MCC Multitest console in order to perform in addition tests under displacement / strain control The hydraulic unit SERCOMP 7 controls the lateral pressure in the Hoek cell in case of triaxial testing. The control console includes a large graphic display with a membrane keyboard allowing easy setting and test monitoring. An affordable and practical solution for automatic uniaxial and triaxial rock testing Benefits AUTOMAX E-MODULUS for axial load management: Dual stage pump: fast approach / test stage with automatic switching Closed-loop P.I.D. control Maximum effective resolution: 17 bit (1/131,000 divisions) Complete with all-in-one PC 14 input channels for load and displacement transducers organized in: - 4 channels for load sensors - 1 channel for confining pressure - 6 channels for strain/displacement transducers - 3 channels for strain gauges > > Automatic performance of uniaxial and triaxial tests with individual but combined control of axial load and confining pressure > > Axial / horizontal stress is increased up to a defined level in automatic way > > The 2 consoles are operated independently and the failure envelope is obtained by few individual tests (single - stage) with automatic application of axial load and confining pressure at different levels SERCOMP 7 for confining pressure application: SERCOMP S console used for precise and automatic confining pressure in the Hoek cell by servo-valve system Superior control and uniformity of pressure application throughout the test 5

6 UNIAXIAL AND TRIAXIAL TESTS Hoek cells for triaxial tests ASTM D5407 ASTM D7012 Designed for high pressure capability One rubber sleeve included with the Hoek cell All models fitted with two quick-release self-sealing coupling For AX, 1,5, BX, NX and HQ types (other types available under request) Upper and lower loading caps with spherical coupling Compression / Splitting test devices ASTM D3967 ASTM D7012 ISRM High stiffness compression device to ASTM D7012 Indirect tensile on rock specimens confirming to ASTM D3967 Indirect tensile on rock specimen NX confirming to ISRM 6

7 SPECIMEN PREPARATION Rock specimen grinding machine ASTM D4543 EN Motorized radial displacement in both directions by push a button or totally automatic with the 55-C0201/C version Proposed in two versions: Standard and Automatic Large base table for grinding contemporaneously up to 3 samples Core face preparation jigs can be easily fitted by the clamping element supplied with the machine The only manual operation requested is the lowering of the grinding head by the top hand wheel Supplied complete with safety chip guard that,when removed, stop automatically the machine, with coolant tank, motor pump and one set of abrasive sectors Core face preparation jig. Ideal for surface preparation of rock samples Other available products Table dimension: 775 x 280 mm Grinding wheel dia: 330 mm Max. vertical daylight: 350 mm Min. vertical daylight: : 145 mm Max specimen size: 200 mm cubes, 160 x 320 mm. cylinders Grinding head stroke: 205 mm Grinding segments: 10 Grinding wheel speed: 1400 rpm Total power: 2200 W Overall dimensions (lxwxh): 1200 x 1020 x 1640 mm Gross weight approx: 415 kg > > Rock coring machines and bits > > Rock saws and blades > > Core trimmer and cut-off machine > > Rock sample verification apparatus > > Sample extruder > > Strain gauges > > Rock Permeability equipment > > Abrasion testing machines > > Slake durability apparatus > > Rock pics and hardness scale > > Profilometers (Barton comb) > > Rock classification hammer > > Joint roughness coefficient test device 7

8 Discover our full range of products At CONTROLS Group, we are proud of our products. As one of the longest established manufacturing companies in the world of Rock Testing Systems, we are dedicated to supplying high quality, accurate, affordable, easy to use systems Discover our full range of testing systems visiting Slake durability index apparatus Core trimmer and cut-off machine CONTROLS Group Customer Care As a valued customer of CONTROLS Group, you will receive continuous, expert support and advice for your instrument. Furthermore, we offer full installation and training in the correct operation of your rock testing equipment. For support from our expert Customer Care Team, contact your local distributor or us. Visit our website for more information Contact us CONTROLS Group France Iraq Poland Spain T F E controls@controls.it Italy Mexico UK USA Australia 8 Disclaimer: 2017 Controls Group. The designs and specifications of any CONTROLS Group products may be subject to change without notice. CG UK RT