Geosynthetic direct shear drawing friction tester

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Meet the standard:

Direct shear test :IS0 12957.1,GB/T 17635.1-1998,JTG E50 T1129,SL/T 235, etc

Pull test :JTG E50 T1130,SL/T 235, etc.

Instrument features:

Direct shear drawing test system is an integrated machine with two functions of direct cutting and drawing, as long as by changing a small amount of tooling fixtures, two test functions can be achieved:

Computer upper computer software controls the test process, direct shear and drawing interface friction integration into one, software autonomy is strong, can independently set the experimental conditions of mainstream standards at home and abroad, applicable to mainstream national standards, and can independently complete data processing, to achieve full data export, easy to study the relationship between shear stress and displacement of samples and time, is a comprehensive interface friction test system;

The horizontal loading device adopts servo electric cylinder to realize full digital speed closed-loop control, which has the advantages of stable speed, wide speed range and high positioning accuracy, and the stretching speed can be set arbitrarily.

The normal loading device is realized by manual hydraulic or automatic electric cylinder, which is convenient and reliable, and the pressure is stable. The pin connection technology can quickly and simply change the clamp required for testing;

It has a variety of hardware and software protection measures such as overload and over-travel to ensure the safe and reliable operation of the equipment.

Technical parameters:

The shear box 300 x300x200mm 600 x600x300mm600x600x300mm

Under the shear box 300 x300x200mm 800 x600x300mm800x600x300mm

The drawing box size is 300x300x340mm 600x400x500mm 600x400x500mm

Loading mode Servo cylinder loading hydraulic loading Hydraulic loading

Normal pressure 0-250kPa 50-300kpa（customizable）

Static load :50-400 kpa

Dynamic load :50-300kpa

Horizontal drive mode servo cylinder servo motor hydraulic drive

Maximum horizontal force 30kN 50kN 100kN

Horizontal load accuracy 0.50%

Straight shear drawing speed 0.1-10mm/min 0.1-10mm/min 0.3-10mm/min

Direct shear displacement 0-100mm

Drawing displacement 0-150mm

Displacement resolution is 0.01mm

Return speed 1-50mm/min

Power supply AC220V 50Hz

Overall dimensions 2400*700*2000mm 2900*850*3400mm 1500*900*1800mm

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