Geotextile Direct Shear Friction Tester
The Digital Direct Residual Shear Box is a sophisticated geotechnical testing instrument designed to measure the residual shear strength of soils and other granular materials. This advanced devide is essential for evaluating the long-term stability of slopes, embankments and foundations, particularly in landslide-prone areas or critical infrastructure projects. The control panel features an LCD screen and a 16-key membrane keypad for manual settings and operation. The large liquid crystal display ensures clear visibility, while the intuitive keypad allows for easy adjustments.
Application:
This machine is designed for all kinds of geotextile and its relative products frictional characteristic.
Standards:
ISO 12957.1, GB/T 17635.1, ASTM D5321, JTGE50T1129, SL/T235-1999
Key Specification:
| ITEM | Parts and Specifications | QTY |
| 1 | Shear Base Unit | 1 |
| including: | ||
| Computer controlled Shear frame, Max. Travel ranges: 30mm. | ||
| Lever ration: 11:1, 10:1, 9:1. | ||
| Digital control and display of speed. Reversible stepper. | ||
| Motor for residual strength test. Infinitely variable speed drive from 0.00001 to 9.99999mm/min. | ||
| Power supply: 220VAC / 110VAC (50HZ or 60HZ) | ||
| 2 | Shear Box Assembly(Material:SUS304 ) | 1 |
| 60*60 and 100*100mm | ||
| 3 | One embedded controller for horizontal controls, including: | 1 |
| One front panel LCD and Keypad for manual controls, 240*128 liquid crystal display and a 16 key membrane, reciprocating shear capability and times are settable Built-in 16 bit Data Acquisition and Control, two analog and two digital channels with signal conditioning and power supplies built-in. | ||
| Micro-switch mechanism to prevent ram over travel. | ||
| 4 | Load Sensor Assembly: | 1 |
| 5KN capacity, fitted with 4 pin DIN plug. | ||
| 5 | Vertical Displacement Transducer Assembly: | 1 |
| 12.7mm travel, | ||
| Accuracy:0.003mm， | ||
| Resolution:0.001mm, with 4pin DIN plug, mounting pillar and bracket for shear box. | ||
| 6 | Horizontal Displacement Transducer Assembly: | 1 |
| 25.4mm travel, | ||
| Accuracy:0.003mm， | ||
| Resolution:0.001mm, 4 pin DIN plug, mounting pillar and bracket for shear box. | ||
| 7 | Set of Weights: 50kg in total . | 1 |
| 8 | software in Windows : | 1 |
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