The Mechanical Compactor automatically compacts and rotates mold after each blow while keeping track of the number of hammer blows and shutting off once a present number of blows is reached.
The HM-5470.3F ConMatic IPC is a fully-automated, incremental pressure controller for performing incremental consolidation and one-dimensional swell tests.
The GCTS Consolidation Apparatus is capable of performing Controlled Gradient (CG), Constant Rate of Strain (CRS), and Incremental (conventional) consolidation tests. The device is to be used inside the triaxial chamber and loading frame.
The STX-100 triaxial testing system is intended for performing dynamic tests for liquefaction, resilient modulus, cyclic strength, complex modulus, and other dynamic triaxial tests including synchronized cyclic axial and confining stress loading.
The STX-200 triaxial testing system is intended for performing dynamic tests for liquefaction, resilient modulus, cyclic strength, complex modulus, and other dynamic triaxial tests including synchronized cyclic axial and confining stress loading.
The STX-300 triaxial testing system is intended for performing dynamic tests for liquefaction, resilient modulus, cyclic strength, complex modulus, and other dynamic triaxial tests including synchronized cyclic axial and confining stress loading.
The triaxial testing system is intended for performing conventional triaxial tests, namely a constant rate of strain axial compression test, as well as advanced procedures such as Ko test and stress/strain path.
Consolidation frame features a rugged frame design manufactured from aluminum with stainless steel vertical rods, horizontal cross arms and beam support rods. The load arm incorporates 9:1, 10:1 and 11:1 beam ratios for greater flexibility and loading weight requirements.
The GCTS Differential Strain Curve Analysis Measurement Device (DSA-12) is designed for testing cubical rock specimens under hydrostatic conditions in order to determine the in-situ stress state.
GCTS Diffused-Air Flushing device is an accessory designed to eliminate diffused air bubbles formed beneath ceramic plates during unsaturated soil testing such as triaxial, direct shear, and SWCC.
The Humboldt Digital Master Loader is designed for multi-purpose applications including Soil Triaxial Tests- UU, CU and CD, UC, CBR, LBR, Marshall Stability etc.
The GCTS Point Load Tester is an apparatus made of high strength anodized-aluminum that incorporates digital technology to increase precision and ease of use while reducing its size and weight.
The GCTS Direct Shear System for Testing Rocks is a simple 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.
The system features electro-hydraulic closed-loop digital servo control of the shear and normal loads for test automation.
This system features electro-hydraulic closed-loop digital servo control of the shear and normal loads for test automation.
Humboldt's Elite Series Direct Shear machines provide the materials testing lab with a choice of a pneumatic loading and several dead-weight machines for direct shear testing applications.
The GCTS Dynamic Hollow Cylinder Testing System allows Direct Digital Servo Control of axial load, torque, confining pressure, internal pressure for performing 'true triaxial' tests.
Direct digital servo control of axial load, torque, confining pressure, internal pressure, and back pressure are achievable using the GCTS Dynamic Hollow Cylinder Testing System for performing "true triaxial" tests.
Humboldt's Elite Series HM-5330 and HM-5320 Data Loggers are specifically designed for use within construction materials testing labs.
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.
Permeability testing measures the rate of discharge of water under laminar flow conditions through a unit cross-sectional area of porous medium under a unit hydraulic gradient and standard temperature conditions.
The Fredlund Thermal Conductivity Sensor is an unsaturated soil sensor for measuring soil suction and temperature in the field. The system consists of ceramic-tipped sensors, a suction sensor controller (datalogger), and a power supply.
The GCTS Frozen Soil Triaxial System uses a computer controlled metering valve and an internal copper vaporization coil for controlling test temperatures below the ambient room temperature.
The Humboldt Fully Automated Triaxial Testing System is a state of the art system specifically designed for soil testing laboratories conducting UU, CU, CD Triaxial and Unconfined Compression Tests.
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.
The GCTS High Pressure Triaxial Cell was designed for testing 75 mm (3 inch) rock specimens with lengths of up to 160 mm at confining pressures of up to 20 MPa and axial loads of up to 400 kN. Other specimen diameters can also be tested with the use of optional platens.
The GCTS High Pressure Triaxial Cell was designed for testing 75 mm (3 inch) rock specimens with lengths of up to 127 mm at confining pressures of up to 70 MPa and axial loads of up to 1,000 kN. Other specimen diameters can also be tested with the use of optional platens.
The GCTS High Pressure Triaxial Cell was designed for testing rock specimens with diameters up to 100 mm (4 inch) and 200 mm (8 inch) lengths at confining pressures of up to 70 MPa and axial loads of up to 1,000 kN. Other specimen diameters can also be tested with the use of optional platens.
The GCTS High Pressure Triaxial Cell was designed for testing (NX size 54mm diameter) rock specimens with lengths of up to 120 mm at confining pressures of up to 140 MPa and axial loads of up to 2,500 kN. Other specimen diameters can also be tested with the use of optional platens.
The GCTS High Pressure Triaxial Cell was designed for testing (NX size 54mm diameter) rock specimens with lengths of up to 120 mm at confining pressures of up to 200 MPa and axial loads of up to 3,000 kN. Other specimen diameters can also be tested with the use of optional platens.
Humboldt's NEXT software is used to control the operation of Humboldt's testing machines, as well as provide data acquisition and reporting of test data.
The GCTS Hydraulic Fracture Test System is capable of performing not only basic static and dynamic triaxial tests, but also hydraulic fracture, well bore stability and permeability tests.
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.
The GCTS IDT-B Rock Apparatus is used for determining indirect tensile strength by the Brazil test according to the International Society for Rock Mechanics standard.
The STX-600 triaxial testing system is intended for performing dynamic tests on soils with large particle sizes such as gravelly soils and railway ballasts. The triaxial cell accepts 300 mm diameter samples with heights up to 700 mm.
Direct digital servo control of axial load, torque, confining pressure, internal pressure, and back pressure are achievable using the GCTS Dynamic Hollow Cylinder Testing System for performing "true triaxial" tests.
The GCTS RPS-600 Polyaxial Rock Testing system can be used to study the intermediate principal stress effect on rock engineering behavior and describe adequately the strength of rock under a general system of Polyaxial compressive stresses.
The DEF-S1600 deformation device is composed of two, three, or four DEF-S1610 Axial Deformation Gages and one or two DEF SRCP 600 circumferential deformation gages.
The TRX-600 Triaxial Cell is ideal for testing soils with coarse particles in static or dynamic mode. It is also well suited for testing ballast material composed of crushed gravels and other sharp particles.
The GCTS load frame is relatively lightweight but highly stable and has a small tabletop footprint. The load frame consists of two large, stainless steel threaded columns with a hard-anodized aluminum cross head beam and a large, thick bottom plate for stability.
The GCTS load frame is relatively lightweight but highly stable and has a small tabletop footprint. The load frame consists of two large, stainless steel threaded columns with a hard-anodized aluminum cross head beam and a large, thick bottom plate for stability.
Humboldt's Elite Series Load Frames provide the materials testing lab with a choice of three, highly-versatile and precision-built loading systems covering a range of testing applications.
The GCTS RPX-150 Polyaxial fixture can be used to study the intermediate principal stress effect on rock engineering behavior and describe adequately the strength of rock under a general system of Polyaxial compressive stresses.
The Poly-Axial System includes four hydraulic loads rams equipped with LVDT's so that each platen can be independently computer controlled.
The Poly-Axial System includes four hydraulic load rams equipped with LVDT’s so that each platen can be independently computer-controlled. The feedback control can be either stress or strain.
GCTS HPVS-400 Pore Fluid Transfer Cell when used with HPVC pressure intensifiers are ideal for the control of the pore pressure in triaxial tests, head pressure in permeability tests, or fluid pressure in hydro-fracture tests when corrosive fluids, such as brine, are used as the pore fluid.
GCTS pressure control panel provides a complete pressure control for triaxial systems. The volume change device is dual purpose: for triaxial and permeability testing, and 150 cc capacity with 0.01 cc resolution.
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
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 GCTS Rapid Triaxial Systems are typically operated with our new digital servo control and data acquisition package that includes Windows (98/2000/NT/XP) testing software and digital signal conditioning system.
The GCTS Rapid Triaxial Rock Test System is a closed-loop digitally servo controlled apparatus developed for accurately performing easy and quick triaxial and unconfined tests on rock specimens.
The GCTS Residual Ring Shear (SRS-150) is a fully automatic electro-pneumatic and servo-controlled testing system used for determination of drained residual strength of continually sheared soils.
The new GCTS MRT stage software, part of the Triaxial Test module of the CATS 32 bit Windows software, which coupled with our new SCON electronics, is the most advanced resilient modulus software available today.
The GCTS Resilient Modulus Testing System is based on the GCTS Cyclic Triaxial Device with closed-loop control of the axial load/displacement and confining pressure. The device complies with the requirements of AASHTO T 307-99, SHRP-P46, ASTM D3999-91, NCHRP 1-28 and ASTM D5311-92 specifications.
This GCTS System combines the features of both resonant column and torsional shear devices into one system so that the effects of soil parameters such as void ratio, confining pressure, strain amplitude, and number of load cycles on shear modulus and material damping can be evaluated.
The GCTS CATS Resonant Column/Torsional Shear module is part of our 32-bit Windows software, CATS (Computer Aided Testing System), which is the most advanced geotechnical software available today.
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.
GCTS RCT-2000 Rock Creep Testing Systems is designed for performing long term tests without requiring a continued power input. It operates with only 800 kPa (100 psi) air pressure with minimum flow.
The GCTS Rock Deformation Device measures axial and lateral strain directly on the specimen providing accurate results. The device consists of an upper and lower support ring machined with a low weight, high strength design.
The GCTS Rock Direct Shear System 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.
The GCTS RPS-100 Rock Polyaxial System can be used to study the intermediate principal stress effect on rock engineering behavior and describe adequately the strength of rock under a general system of Polyaxial compressive stresses. Syringe pressure intensifiers are used to apply σ1, σ2 and σ3 independently with measurement of volume/deformation change.
The new GCTS TRX-ROCK Advanced software is part of the CATS 32 bit Windows software, which coupled with our new SCON electronics, is the most advanced Geotechnical software available today.
GCTS Triaxial Rock Testing Systems are manufactured according to your design specifications.
The GCTS Pressure Panel & Pressure-Volume Controller has been designed for providing accurate system pressure control or volume control. The system uses hydraulic digital servo control for maintaining the necessary test conditions for your testing needs.
The GCTS Consolidation Apparatus is capable of performing Controlled Gradient (CG), Constant Rate of Strain (CRS), Incremental (conventional) consolidation tests.
The design of the GCTS Simple Shear System is based on our external cell wall triaxial system.
Servo Hydraulic Cyclic Triaxial Testing Systems are intended for performing dynamic tests for liquefaction, resilient modulus, complex modulus and other dynamic triaxial tests.
The cyclic/ dynamic testing system is intended for performing conventional triaxial tests, namely a constant rate of strain axial compression test, as well as advanced procedures such as Ko test and stress/strain path.
The GCTS Direct Shear and Triaxial System for Testing Rocks is a versatile 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.
The GCTS Rock Direct Shear System 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.
The GCTS Direct Shear System for Testing Rocks is a versatile 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.
The GCTS ATM-025 Equipment is a modular system that can be configured to test asphalt in a variety of modes. The system includes an environmental chamber which houses the optional accessories required to perform dynamic complex modulus, flow number, flow time, indirect tension, beam flexural fatigue, and resilient modulus tests.
The GCTS ATM‐010 system is the money‐saving solution for advanced HMA testing. It sports an electro‐pneumatic modular design allowing the system to be customized to meet the needs of the user.
The GCTS Soil Deformation Device measures axial strain directly on the specimen providing accurate results. The device consists of an upper and lower support rings machined with a low weight, high strength design.
The GCTS Soil circumferential Deformation Device measures the average change in circumference directly on the specimen providing accurate results.
The GCTS Soil Deformation Device measures axial strain directly on the specimen providing accurate results. The device consists of an upper and lower support ring machined with a low weight, high strength design.
The triaxial cell is constructed of stainless steel. The standard unit features a see-through Plexiglas external cell wall. The advantages of the external cell wall are that after the specimen is completely ready for a test, the cell wall is lowered over the cell and fastened into place with minimum disturbance to the test sample.
The new GCTS TRX Advanced software is part of the CATS 32 bit Windows software, which coupled with our new SCON electronics, is the most advanced Geotechnical software available today.
The Fredlund SWCC Device is a simple unsaturated soil testing apparatus with great flexibility for applying matric suctions while following various stress paths.
The GCTS Specimen Grinder provides the final step to preparing test specimens with parallel and flat ends according to ASTM and ISRM specifications.
The Electronic Plate Load Device AX 01 for simple determination of the load-bearing and deformation capacity of soils.
Humboldt's Manual Pressure Control Triaxial System provides a manually-controlled triaxial system. A multi-function control pantel controls of the confining and back pressure.
GCTS Triaxial Rock Testing Systems are manufactured according to your design specifications (load capacity and system stiffness, sample size, confining and pore pressures, internal instrumentation, temperature testing, and ultrasonic velocity measurements). The top cross head height can be adjusted to accommodate a wide variety of test specimens and triaxial cells.
GCTS Triaxial Rock Testing Systems are manufactured according to your design specifications (load capacity and system stiffness, sample size, confining and pore pressures, internal instrumentation, temperature testing, and ultrasonic velocity measurements). The top cross head height can be adjusted to accommodate a wide variety of test specimens and triaxial cells.
GCTS Triaxial Rock Testing Systems are manufactured according to your design specifications (load capacity and system stiffness, sample size, confining and pore pressures, internal instrumentation, temperature testing, and ultrasonic velocity measurements). The top cross head height can be adjusted to accommodate a wide variety of test specimens and triaxial cells.
The GCTS Ultrasonic Velocity Test System is a turnkey system and includes everything required to perform Ultrasonic Velocity measurements on laboratory specimens. The system can be programmed to obtain a single measurement or several measurements at prescribed times or any other test parameter available.
The ULT-200 Ultrasonic P&S Wave 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.
GCTS Uniaxial Testing Systems include our state-of-the-art SCON-1500 Digital Signal Conditioning & Servo Controller CATS software. The system is capable of performing static and dynamic closed-loop load, deformation, strain or any other measured or calculated parameter.
The GCTS Unsaturated Soil Triaxial System is an electro-pneumatic system with closed-loop digital servo control. Electro-hydraulic option is available for performing tests at higher frequencies or amplitudes.
The GCTS Unsaturated Soil Triaxial System is an electro-pneumatic system with closed-loop digital servo control. Electro-hydraulic option is available for performing tests at higher frequencies or amplitudes.
The main feature of this triaxial cell is the incorporation of a double cell wall. This prevents differential pressure changes for the inner wall while changing the confining pressure and thus eliminating volume changes errors associated with single cell units due to cell expansion.
GCTS volume change device is equipped with a frictionless rolling diaphragm and an internal LVDT guided by ball bearing unit housed inside a stiff stainless steel housing. The rolling diaphragm and ball bearing guide are essentially frictionless enabling volume change measurements with no pressure differential.
