Experimental device for real-time observation of rock and soil cracks under the condition of suction force measurement
A real-time observation and test device technology, applied in measuring devices, suspension and porous material analysis, instruments, etc., can solve the problems of failure to realize multi-angle and multi-plane observation, and achieve simple structure, convenient operation, and easy to master Effect
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[0023] Such as figure 1 , 2 As shown, a test device for real-time observation of rock and soil cracks under the condition of suction measurement, it includes an air circulation test system and a PIV test system using a tensiometer to measure suction; the air circulation test system includes a transparent closed container 1, a transparent A soil sample 10 is housed in the closed container 1, and a tensiometer 2 is respectively arranged on the top and bottom of the soil sample 10. The outside of the transparent closed container 1 is connected to the air circulation pump 3 through a trachea, and the soil Sample water content detection device; PIV measurement system includes LED floodlight 13, CCD high-speed camera 14 and image acquisition processor 15, LED floodlight 13 is arranged on the top of three sides of the air circulation test system, CCD high-speed camera 14 is arranged in the air The three sides of the cycle test system are connected with the image acquisition processo...
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