Automatic quadruple medium and low pressure direct shear mac

发布:admin时间:2021-08-31 点击数:

一、Instrument Overview:

Used for testing shear strength of soil. Four samples are usually used in different vertical pressure, apply horizontal force to shear, obtain the shear stress at the time of failure, using the collected data according to Coulomb's law to determine the shear strength coefficient, internal friction Angle and cohesion.

The vertical load is loaded by pneumatic pressure, the horizontal load is loaded by motor drive, and the horizontal displacement is measured by linear displacement sensor.

二、Technical parameters

1. Soil sample area: 30cm2

2. Soil sample height: 20cm

3, horizontal displacement: ≤10cm

*4, horizontal shear stress: ≤800kPa

5, consolidation pressure: ≤800kPa

*6, shear rate: 0.001-4mm/min, stepless variable speed

*7. Pneumatic loading method is adopted for vertical loading.

*8, the instrument is equipped with advanced touch screen, through the host touch screen for parameter setting and test operation.

*9, equipped with automatic data acquisition, control, analysis and processing software, can control the whole test through computer software, and output test results and reports.

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