Mining area surface subsidence singe pile static load model test device and test method
A model test device and surface subsidence technology, which is applied in the test of foundation structure, construction, and foundation structure engineering, etc., can solve the problems such as the inability to accurately simulate the settlement characteristics of pile foundations, achieve short test preparation time, improve scientific research efficiency, and device size. small effect
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[0039] Such as figure 1As shown, a single pile static load model test device for ground subsidence in mining area, the test device includes a model tank 1, the peripheral surface of the model tank 1 is transparent at least in the front, and the tank bottom of the model tank 1 is provided with several rules Arranged sand leakage holes 12, a number of baffles 11 are placed under the sand leakage holes 12 to block the sand leakage holes 12, and each baffle 11 is supported by a number of support columns 2; The sand layer 4 and the clay layer 17 are separated by a polyethylene film 5; the clay layer 17 is pre-embedded with a model pile 10, and the bottom and surroundings of the model pile 10 are pre-embedded with earth pressure Box 7, the pile body of model pile 10 is provided with strain gauge 8, and the top of model pile 10 is provided with loading device 6, and earth pressure box 7 and strain gauge 8 are connected on the data acquisition instrument other than model groove 1 by w...
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