Foundation pit excavation model testing device simulating lifting of artesian head
A model test device and technology of confined water head, which are applied in the test of foundation structure, foundation structure engineering, construction, etc.
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[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0042] Such as figure 1 , figure 2 As shown, the foundation pit excavation model test device for simulating the rise and fall of the pressurized water head of the present invention includes a model box 1, a pressurized overhead layer 2, several symmetrical surface retaining units 3, foundation pit support structures, a pressurized water head adjustment system and There are six parts of the measurement system.
[0043] Described model box 1 is made up of model box frame 1-1, tempered glass 1-2, model box bottom plate 1-3, top frame 1-4, reaction plate 1-5 and model box base 1-6; The bottom of the box frame 1-1 is fixed to the bottom plate 1-3 of the model box, and the tempered glass 1-2 is fixed to the front and rear sides; the model box frame 1-1 and the reaction plate 1-5 are fixed to the I-beam by spot welding around On the welded model box base 1...
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