Measuring device and method of apparent viscosity of saturated sand in high pore pressure ratio state
A technology of high porosity and apparent viscosity of sandy soil, applied in the direction of measuring devices, flow characteristics, instruments, etc., can solve the problems of high apparent viscosity, inability to flow smoothly, and high velocity of fluid movement, so as to improve the test efficiency and avoid The effect of pipeline damage and uniform water output
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[0053] A device for measuring the apparent viscosity of saturated sand under a high pore pressure ratio, including an external water tank (16), a hose (15) and a fixed model box (6), and a low-speed adjustable motor (1), Tension sensor (2), dynamic displacement sensor (3), fixed pulley (5), rigid ball (8), traction rope (9), fixed pulley block protection box (10), track bracket (11), dynamic pore pressure sensor ( 12), rail (13), rigid plate (14), water control valve (17), water tank bracket (18), scale (19), water outlet pipe (20), rigid plate support (21).
[0054] The rigid plate (14) at the lower part of the model box (6) is provided with uniform circular holes with a diameter of 5 mm and a hole spacing of 20 mm. The size of the rigid plate (14) is slightly smaller than the inner size of the model box (6). The rigid board (14) is 8mm away from the bottom of the model box (6), and supports (21) are welded at the four corners of the bottom, so as to be placed on the bottom of t...
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