Electronic Triaxial Shear Test Apparatus

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Electronic Triaxial Shear Test Apparatus Specification

Temperature Range
Ambient to 50C

Voltage
220 V

Model No
ETS-10

Capacity
10 kN (standard); other capacities available

Frequency
50 Hz

Feature
Highly Efficient

Automation Grade
Automatic

Core Components
Load cell, displacement transducer, microprocessor controller, digital display, triaxial cell

Accuracy
100 %

Power Source
220V AC Mains

Measurement Range
0-10 kN

Equipment Materials
Corrosion resistant stainless steel with powder coated frame

Type
Electronic Triaxial Shear Test Apparatus

Usage
Laboratory

Display Type
Digital Display

Dimension (L*W*H)
Approx. 850 x 600 x 1100 mm

Weight
Approx. 80 kg

About Electronic Triaxial Shear Test Apparatus

Electronic Triaxial Shear Test Apparatus Motorised

The settlement of foundations and changes in earth pressure due to movement of retaining walls or other earth supports, the yield of soil caused by application of load, are affected by the stress-strain relationship of soils. The experimental investigation for determining the stress-strain relation is usually carried out with Triaxial Compression Test. During the test, the soil samples gradually stressed up to failure. Generally speaking, Triaxial Tests are performed to stimulate different types of stress and drainage conditions that can occur in the sub-soil for simulating the effect of building construction, excavation, tunneling etc. Three different Triaxial Tests are usually performed for total and effective stress measurement. The 50 kN capacity machine, designed primarily for triaxial testing of soil specimens upto 100mm diameter x 200 mm long, comprises a rigid twin column construction with an integral fully variable.

Models available digital triaxial system Microprocessor controlled drive unit and LCD display with a touch sensitive keyboard. The machine is normally bench mounted for ease of installation and operation. The digital indication of the load, pressure and the strain are displayed on the front panel of the load frame. Selector switch has been provided to shift the digital indicator from load to pressure or to strain.

Specification

Capacity : 50kN
Capacity Capacity : Microprocessor Controlled Stepper Motor Drive
Platen speed range : 0.00001mm/min. to 9.99999 mm/min.
Rapid Approach Speed : 25 mm/min.
Horizontal Clearance : 364 mm
Max. Vertical Clearance : 910 mm
Max. Platen Travel : 100 mm
Specimen Dia : 38 mm (50, 75 & 100 mm can also be used)
Universal Electronic Load Cell : 10 kN cap.
L.V.D.T. : 0-20mm
Pore Pressure Transducer : 20 bar cap.
Electrical supply : 230V, Single Phase, 50 cycles, A.C.

Advanced Microprocessor-Based Control

Benefit from precise control over test parameters with programmable modes, enabling tailored testing procedures for Unconsolidated Undrained, Consolidated Undrained, and Consolidated Drained triaxial tests. The user-friendly microprocessor system enhances repeatability and reliability in every test cycle.

Exceptional Measurement Precision

High precision load cell and digital displacement transducer ensure meticulous measurement of load and displacement, critical for accurate soil strength evaluation. Data is captured with a least count of 0.001 mm and displayed digitally, supported by automated data logging through PC connectivity.

Robust Construction and Safety

Engineered from corrosion-resistant stainless steel and a powder-coated frame, the apparatus withstands laboratory conditions. Safety features like overload and over-travel protection, coupled with a digital display, offer secure and convenient operation for regular use.

FAQs of Electronic Triaxial Shear Test Apparatus:

Q: How does the Electronic Triaxial Shear Test Apparatus operate for different soil tests?

A: The apparatus supports Unconsolidated Undrained (UU), Consolidated Undrained (CU), and Consolidated Drained (CD) tests using microprocessor-based control, allowing users to program specific parameters and automate the process for each test type.

Q: What is the measurement accuracy of load and displacement in this equipment?

A: Load is measured with a Class 1 precision load cell meeting IS requirements, while displacement is recorded using a digital transducer offering a least count of 0.001 mm, ensuring high accuracy in all laboratory soil tests.

Q: When should this apparatus be used in soil mechanics research or education?

A: This apparatus is ideal for laboratory settings requiring reliable determination of soil shear strength, such as geotechnical research, academic studies, and quality assurance in construction projects.

Q: Where can the test data be viewed and logged during operation?

A: Test data is displayed on the integrated digital display and can be logged directly to a connected PC via dedicated data acquisition software, enabling analysis and archiving of results.

Q: What is the process for conducting a triaxial shear test using Model ETS-10?

A: Select the appropriate test mode via the microprocessor controller, prepare and mount the sample (ranging from 38 mm to 100 mm diameter), and initiate the test. The system automates load application, records displacement, and saves data for further analysis.

Q: What are the main benefits of using this apparatus in the laboratory?

A: Key benefits include high testing efficiency, full automation, robust safety features, and highly accurate measurements, contributing to reliable soil characterization and streamlined testing procedures.

Q: How does safety and durability factor into regular use of the equipment?

A: The powder-coated anti-corrosive body and corrosion-resistant core components ensure long-term durability, while built-in overload and over-travel protection mechanisms safeguard both users and samples during testing.

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