Rock and rock mass testing instrument
LTB-6 Microcomputer-Controlled Electronic Rock Direct Shear Tester
Building on existing domestic and international products, this testing machine is a next-generation apparatus for rock and concrete testing, developed using dual‑channel AC servo motor drive technology (a domestic first), advanced sensor technology, microcomputer control, and sophisticated software processing. It is capable of conducting direct shear tests on rock structural planes—such as joint surfaces, bedding planes, foliation planes, and cleavage planes—as well as on the rock itself and on the interface between concrete or mortar and rock. Additionally, it can perform shear‑failure strength tests on the bonding interfaces between concrete and other materials.
LTB-7 Microcomputer-Controlled Electrohydraulic Servo Concrete and Rock Direct Shear Testing Machine
It can be used for direct shear tests on rock structural planes (such as joint surfaces, bedding planes, schistosity planes, and cleavage planes), on the rock itself, and on the bonding interfaces between concrete or mortar and rock, as well as for determining the shear‑failure strength of interfaces between concrete and other materials.
LT50 Digital Display Electric Stress-Type Direct Shear Tester
It is primarily applicable to direct shear tests on rock blocks, structural surfaces (such as joint planes, bedding planes, foliation planes, and cleavage planes), and the interface between concrete (or mortar) and rock (the bonding surface), as well as to tests of the shear‑failure strength of interfaces between concrete and other materials.
LBTZ-50 Computer-Controlled Fully Automatic In-Situ Geotechnical Direct Shear Tester
Suitable for in-situ direct shear tests (including large-scale direct shear of intact rock and soil, as well as large-scale slope shear tests), providing test results for force, displacement, or deformation parameters.
LBTJ-50 Digital Display Rock Mass Plane Push‑Test In‑situ Direct Shear Testing Apparatus
This test is conducted to determine the in-situ shear‑failure strength of the concrete–rock interface at the dam body, the interlayer bonding surfaces of roller‑compacted concrete, and the intrinsic shear strength of the roller‑compacted concrete itself.
ELγ-2000 Stone Radioactivity Detector (Intelligent Gamma Radiation Analyzer)
The ELγ-2000 intelligent gamma radiation meter is a detection instrument used to measure the radioactivity levels of natural stone, construction materials, industrial waste residues, and other substances.
LBT-B Rock Indentation Hardness Tester
This instrument is primarily used to determine the hardness and plasticity index of rocks; it can also be employed for rock drillability testing and automatically generates load–penetration depth curves.
LBTYS Servo-Controlled Rock Permeability Analyzer
The rock permeability tester comprises an oil–water constant-pressure system, a Hoek pressure chamber, a permeability test end cap, a manual pressure system for applying confining pressure, and a sample extractor. It is an efficient and cost-effective testing instrument for investigating rock permeability under high confining pressures.
LBT-1000B Microcomputer-Controlled Electro-Hydraulic Servo Rock Triaxial Testing Machine
Developed in accordance with national standards and other relevant specifications, it emphasizes practicality, ease of operation, and data accuracy throughout the industry.
This testing instrument features a digital direct‑reading dial indicator design and is suitable for measuring the flatness of end faces of various materials; it is easy to operate.
LBT-SC-3 Stone Flexural Testing Machine
The plug‑flow test apparatus is used to measure the anti‑flowability of adhesives. The adhesive is filled into a hole of known dimensions and then pushed out by a piston on the test device, forming an adhesive plug.
LBTC-230 Rock Splitting Tensile Strength Fixture
The rock splitting fixture is used to determine the tensile strength of coal and rock and is suitable for coal and rock that can be prepared into standard test specimens.
LTB-5 Digital Display Rock Uniaxial Compressive Strength Testing Machine
Designed in accordance with relevant standards, this equipment measures the uniaxial compressive strength, tensile strength (using the Brazilian splitting method), shear strength, and other mechanical properties of rocks. It employs intelligent measurement and control instruments for data acquisition and processing, and can also determine the rock’s P-wave velocity.
LTB-8 Rock Mass Rigid Pressure Plate Testing Instrument
A rock mass pressure plate is an instrument used to assess the deformation characteristics of rock masses. It operates by simulating the loading conditions experienced by foundations; by applying a load and measuring the resulting deformation, it enables the determination of parameters such as the rock mass’s modulus of deformation.
LTB-2101 Stone Water Absorption Tester
This product is suitable for determining the water absorption and bulk density of natural stone and similar materials.
LTB-2102 Rock Surface Flatness Tester
The testing instrument features a digital direct‑reading dial indicator design, suitable for measuring the flatness of end faces of various materials and is easy to operate.
The borehole pumping test apparatus is used to determine the permeability of rock masses, assess their seepage characteristics, and provide fundamental experimental data for designing seepage control measures. The pipeline system employs non‑welded connections.
The borehole pumping test apparatus is used to determine the permeability of rock masses, assess their seepage characteristics, and provide fundamental experimental data for designing seepage control measures.
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