Testing device and method for measuring sandy soil moving states under different liquefaction degrees
A technology of motion state and test device, applied in the field of geotechnical earthquake engineering, can solve the problems of poor stability, short time and high cost, and achieve the effect of reducing track size, simple method and convenient operation
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[0047] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, a test device for measuring the movement state of sand and soil under different degrees of liquefaction, including (1) speed regulating motor (2) tension sensor (3) carbon wire (4) model box (5) fixed pulley (6) hemisphere Body slider (7) earth pressure box (8) hole pressure box (9) steel wire rope (10) waterproof rubber ring (11) steel bracket (12) steel truss (13) bracket base (14) model box base (15) ) Workbench (16) Bolts (17) Saturated plastic sand solution (18) CCD digital camera (19) Support (20) Base (21) Camera bracket (22) Transparent scale grid paper.
[0048] The model box (4) is made of a transparent plexiglass panel, and the side of the model box close to the hemispherical slider is a panel with a 2cm×2cm transparent scale grid paper on the outer surface. Two small holes are drilled on the side panel of the model box, and the steel wire rope (9) passes through the small holes to be straig...
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