Rock Testing

It is used to calculate the JRC of a rock or joint. The device consists of an adjustable inclined plane, on which the rock sample (100 mm max dia.) is placed, separated along the surface where the roughness is to be measured. Then the plane is slowly tilted until sliding of the upper part of […]

Used to measure the rebound index on rock cores and samples. The device is simple, easy to use, and is similar to the one used for testing concrete. The level of impact energy only is different: 0.735 Nm. Rock cores are positioned horizontally and the rebound index is obtained from the average of several measurements […]

Used for measurement of the roughness profile of rock samples.

Used for preliminary rock identification. 45-D1710 Fully polished, leather grip. Weight approx.: 650 g 45-D1711 Fully polished, nylon vinyl grip. Weight approx.: 550 g

100 kN capacity Superior functionality and usability of the equipment, since the pump is separate from the frame Ergonomic digital read out unit with wide graphical display and 6 keys membrane keyboard Effective resolution: 18 bit (1/262’000 div.) Load measurement accuracy: ± 1 % Load resolution: 1 N Supplied complete with traceable calibration certificate for […]

Maximum 4 drums can be used simultaneously to improve testing productivity Complete with display showing the residual testing time (10 minutes as per ASTM indications) Transparent water tanks with level mark to help correct water filling Compact machine for saving space in the laboratory Drums with quick-release drive units for rapid mounting / disassembling This […]

Transparent protection cover Control flow abrasive outlet according to the Standard Supplied complete with sample calibration made in Boulonnaise marble, 115x115x50 mm Digital counter unit This machine has been developed for determining the resistance to abrasion/wear of natural stones and concrete products. Easy to use, electronic control of the disc speed with auto shut-off of […]

Easy setting of test speed and number of cycles; fast sequence selection option; counter and test status always displayed; simple use; compact design; memory option; emergency shut off button included. The disc abrader conforming to Böhme method consists of a rotating wheel made of cast iron, 750 mm dia., with a defined test track to […]

This apparatus, originally designed for soil mechanics test applications, can also be used to provide an infinitely variable constant pressure and is used in conjunction with the Hoek cell fit with the permeability end caps, for the investigation of the permeability of rock at high confining pressure, in the laboratory. The apparatus comprises: motorized hydraulic […]

Shear box made in aluminium alloy Maximun axial and shear load capacity: 50 kN Reversable shear action with 48 mm stroke Double version available: analogic and electronic Data processing template available as accessory for the digital version 2 mould formers included in the testing configuration    This apparatus was originally developed at Imperial college, London, […]

Strictly compliant to ASTM D7012 Rock core specimens Test Methods The Rock core shall have a diameter from 54.7 mm (NX type) to 63.5 mm (HQ type) Heavy duty / high stiffness compression device Max. load capacity: 1200 kN High stiffness structure and the high performance steel making this device particularly suitable for high strength […]

We propose two compression device models for indirect tensile test (splitting test) conforming to ASTM D3967 and to ISRM Specifications. Model conforming to ASTM D3967 This apparatus, originally developed for testing in compression cement specimens, can also be used for splitting tensile test on rock disks with dimensions from dia 54 mm to 64 mm. […]

They provide a very accurate electrical signal, strictly proportional to the strain of the specimen submitted to load application, for determining the Elastic Modulus and strength characteristics as alternative to the Compressometer-Extensometers 55-C0222/F. They can be applied to the specimen surface by a special Adhesive-Catalyst agent and other accessories all included in the 82-P0399/C Strain […]

Various Hoek cells dimensions are available: AX, 1.5″, BX, NX and HQ types Designed for high pressure capability All models are fitted with two quick-release self-sealing coupling One rubber sleeve is already included with the Hoek cell The Hoek triaxial cells are offered in five models of different size; each one consists of the following: […]

Suitable for determining elastic modulus and strength characteristics of rock specimens under uniaxial and triaxial conditions Composed by 2 indipendent systems: high stiffness compression machine and low friction manual pressure maintainer Max working lateral pressure: 70 MPa Advanced external data acquisition system with new touch screen Datalog 8 The Semi-Automatic configuration for determining the elastic modulus […]

Automatic performance of uniaxial and triaxial tests with individual but combined control of axial load and confining pressure Axial and horizontal stress are increased isotropically 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 […]

Advanced testing system suitable for extremely variable materials, from soft sandstone to high-strength marbles 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 load and confining pressure Multiple failure stages triaxial test (stress – path mode) carried […]

Advanced testing system suitable for extremely variable materials, from soft sandstone to high-strength marbles Determination of Elastic modulus, Poisson’s ratio and strength characteristics of rock specimens under uniaxial and triaxial conditions including permeability measurement Automatic performance of triaxial tests with combined control of axial load and confining pressure Multiple failure stages triaxial test (stress – […]

Used to verify the dimensional and shape tolerances of rock core specimens up to 75 mm dia. by 120 mm length.  The straightness of the cylindrical surface can be easily verified as well as flatness and verticality of end surfaces by the same dial gauge using the magnetic holder in the desired position. The apparatus […]

To grind concrete specimens, natural stones, tiles, block pavers, ceramic materials etc. Large base table for grinding contemporaneously up to three 100 mm cubes, or three 150 mm cubes, or two 200 mm cubes and concrete/tile blocks of various sizes (see drawing of working area). For cubes up to 200 mm and cylinders up to […]

Specifically designed for rock testing laboratories To obtain samples from irregular rock or core pieces Double function of trimmer and cut-off apparatus Complete with safety device conforming to CE requirements Used to obtain rock samples perfectly machined (cube, prisms, etc) from irregular rock or core pieces. It is supplied complete with a proper vice to […]

Trolley and water tank are zinc plated to avoid corrosion Head adjustable in height and the tilting motor head permits cuts up to 45° inclination Cooling water pump and filter included  This universal saw, completed with the suitable accessory, can be used to cut concrete / rock cores and irregular rock samples in order to […]

This machine is specifically used in the laboratory for cutting core samples from hard materials such as rock and concrete. A clamp is provided to firmly secure the material during the cutting cycle. The coring area is protected by a transparent cylinder. A special clamping device to prepare rock samples from core pieces is also […]

The ULT-200 Ultrasonic Velocity Test System is a turnkey system and includes everything required to perform Ultrasonic Velocity measurements on laboratory specimens. The new hardware and software utilize the latest technology to allow for precise determination of wave velocities. With the ULT-200, the user also has the ability to control the pulse signal polarity and […]

The GCTS Specimen Grinder and Saw is a 2-in-1 specimen preparation machine needed for any rock/concrete laboratory. The diamond saw cuts the core samples to required specimen sizes using the ¾ horsepower motor spinning at 3,600 rpm. The grinder than provides the final step to preparing test specimens with parallel and flat ends according to ASTM and ISRM specifications. A diamond […]

The GCTS Specimen Grinder provides the final step to preparing test specimens with parallel and flat ends according to ASTM and ISRM specifications. The grinder is driven by a heavy-duty 2.0 HP electric motor for durability. A diamond grinding cup-wheel is provided along with a sample holder which can be made in variety of sizes. […]

The GCTS Specimen Grinder provides the final step to preparing test specimens with parallel and flat ends according to ASTM and ISRM specifications. The grinder is driven by a heavy-duty 2.0 HP electric motor for durability. A diamond grinding cup-wheel is provided along with a custom stainless steel sample holder. GCTS offers sample holders for […]

The RPS-600 is designed to test cubical specimens 12″ × 12″ × 12″ and have the capability of applying orthogonal stresses in each of the three principal directions. The maximum major principal stress is 15,000 psi. This system provides independent control of all three principal stresses. Hydraulic pressures to fracture rock specimens can be applied at the center of the cubical […]

Automatic rock core saw with industrial electric 1 HP motor.  14″ aluminum wheels regulate band-saw motion.  Band-saw with industrial diamonds.  The RLS-200 features automatic sample feed mechanism with adjustable feed rate and can accept up to 6″ (15 cm) diameter samples.  A safey enclosure with cut-off switches comes standard with the saw. Features Electric feed […]

The GCTS Specimen Lab Saw has a power feed feature, which automatically pushes the specimen into the saw blade for an even, smooth cut. The Lab Saw can accommodate up to 170-mm diameter specimen. The blade speed is approximately 800 rpm and it is cooled either by water or biodegradable cutting oil. Features 3 speed advancing rate (feed rate of […]

200 mm × 300 mm × 50 mm thick granite base (grade A, +/- 0.0001″ accuracy) with dial gauge support for measuring flatness of specimens up to 200 mm in height. Includes electronic digital dial gage 0.01 mm (0.0005″) resolution.

The GCTS Direct Shear System for Testing Rocks is a simple and inexpensive device for testing a wide range of rock specimen configurations. Cylindrical cores, cubes, prisms, and rock fragments can be used to determine the shear strength. This system features electronic sensors and digital displays to monitor the loads and deformations. A standard A/D […]

The GCTS Laboratory Coring Machine is capable of achieving a large range of spindle speeds to provide optimum performance when preparing test specimens, regardless of the properties of the material being sampled. All accessories are included (water swivel, drip pan, sample holder. Other standard or custom barrels are also available. The main feature that sets […]

The GCTS Rock Abrasiveness Apparatus (RAA-100) is used for measurement of rock abrasiveness under the standards specified by the Cerchar test. The test consists of measuring the wear flat on the standard steel indenter with 200 kg/mm2 hardness loaded with 70 N force, after it has scratched 10 mm distance on the rock surface. The […]

The Point Load Test is performed on core rock specimens or irregular rock fragments to obtain the point load strength index and unconfined compressive strength of the rock. This test does not require costly specimen preparation and is a quick, simple test. The failure load P and the distance between platens D are measured to […]

The GCTS Quick Triaxial Cell was designed for fast and easy testing of rock cores with diameters from 25 mm to 54 mm (NX). The prepared specimens with the top and bottom platen are simply dropped inside from the top. Three lateral actuators instrumented with LVDTs that are pressure-compensated ensure a firm contact with the […]

The GCTS Fast Pulse-Decay Permeability Apparatus (HPPD-20) is designed for measurement of permeability in micro-porous material such as gas shale and other reservoir rocks, in order determine the capacity and flow characteristics of the rock matrix. HPPD-20 is capable of measuring rock permeability less than 1 µD (microdarcy). HPPD-20 includes two stainless steel large reservoirs […]

GCTS Air/Oil Pressure Boosters are very easy to operate and provide an economical alternative to servo-controlled pressure intensifiers. Air source from a 3 to 5 H.P. air compressor is sufficient to drive these pumps. The GCTS Air/Oil Pressure Boosters are enclosed in a table-top metal cabinet and include pressure panel, 19-litter (5 gallon) fluid reservoir […]

The GCTS Hydraulic Fracture Tester allows for the performance of fracture tests with HPVC pressure intensifier. This fixture is typically used for hydraulic fracture, well bore stability, and permeability tests. Tests can be performed with or without confining pressure. The HFT triaxial cell comes with a hydraulic balance for application of hydrostatic stress state, but […]