Laboratory Manual Common Direct Shear Strength Tester
Strain Controlled for Soil Testing Applications
Product Overview
The Laboratory Manual Common Type Soil Strain Controlled Direct Shear Strength Tester is designed for measuring the shear strength of soil specimens. This instrument applies horizontal shear force under controlled vertical pressure to determine shear stress at failure, enabling calculation of shear strength parameters, internal friction angle, and cohesion according to Coulomb's law. The system features both manual and electric operation modes with integrated limit switches for instrument protection.
Technical Specifications
| Parameter |
Specification |
| Maximum Vertical Loading |
400kPa |
| Normal Force Relative Error |
<±1% |
| Leverage Ratio |
1:12 |
| Vertical Loading Weights |
Graded 50, 100, 200, 300, 400kPa |
| Sample Area |
30cm² height 2cm |
| Maximum Horizontal Shear Stress |
1.2kN |
| Electric Shear Rate |
0.8mm/min, 2.4mm/min |
| Manual Cutting Capability |
0.2mm per handwheel revolution |
| Voltage |
220V±10V 50Hz |
| Vertical Deformation Measurement |
Dial indicator 0-10mm±0.01mm (optional) |
| Instrument Dimensions |
845mm * 430mm * 1118mm (L*W*H) |
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