Fully automatic quadruple direct shear
1.Standard size of the specimen： Dia.61.8mm*20mm (4 samples in the group);
2.Displacement range：axial :0-15mm ,for shear 0-20mm;
5.Vertical load automatically：0-400kPa, arbitrary load in the range.
6. Built-in data acquisition unit: 16 bit,16-channel,can collect the data of displacement sensor,pore pressure sensor and load sensor at the same time.
7.240*128 high resolution LCD;
8. Full automatic control, acquisition and processing to improve the efficiency.
9. Bubble scour collection and measurement system , used to flush bubble at the bottom of the clay plate and measure bubble volume.
1. 4 sets of pressure chamber, meet the sample size of dia. 61.8mm * 20mm ;
2. 4 sets of dia. 61.8mm * 20mm shear box;
3. A set of host system, shear frame painted, pressure resistance, non- deformation;
4. 4 sets of fully automatic vertical loading system: 0-400kPa can be controlled arbitrarily;
5. 4 sets of volume change measurement system, with absolute accuracy less than 0.01ml, resolution 0.001kPa;
6. A set of shear control system, shear speed : 0.0001-2.4mm/min (stepless variable speed ), built-in high-speed 16-channel acquisition module, shear 4 samples synchronously;
7. 4 sets of digital display micrometer displacement sensor : measure range 0-12.7mm, absolute accuracy :0.003mm, resolution : 0.001mm;
8. 8 sets of load sensors, including one piece of 500kg (measure range ) load sensor;
9. 4 sets of suction control system, the pore pressure control range 0-0.9MPa, precision 1kPa, pore water pressure control range 0-0.1MPa, precision 0.1kPa;
10. A set of computer control and processing software (support Windows7, XP, only for Full-automated Direct Shear Apparatus for Unsaturated Soil use );
11.4 sets of bubble scour collection and measurement system