Model pile, test device and test method of bulk material reinforced composite foundation
A composite foundation and bulk material technology, which is applied in the test of foundation structure, foundation structure engineering, construction, etc., can solve the problems such as the inability to consider the change of the vertical bearing capacity of sandstone piles and the complex pile-soil stress ratio of the composite foundation. The effect of simple production, simple and reasonable conception, and low test cost
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[0050] Such as Figure 1-Figure 6 As shown, a composite foundation model pile reinforced with bulk materials, the model pile includes a filling material 1 and a wrapping coil 2, the wrapping coil 2 is cylindrical, and it is rolled from a stepped thin plate. The highest section of the stepped thin plate is rolled up to form the innermost layer, and the rest of the stepped parts are rolled out in turn to form a wrapping coil 2 whose wall thickness gradually becomes thicker from top to bottom. The bottom of the wrapping coil 2 is set on a closed ring-shaped pile 9, the top is sheathed in the top-closed annular pile cap 10, and the filling material 1 is filled inside the cylinder formed by wrapping the roll material 2.
[0051] The manufacturing material of the wrapping coil 2 is cardboard, or plastic board, or geotextile.
[0052] The filling material 1 is sand.
[0053] A test device made of the above-mentioned bulk material reinforced composite foundation model pile, includin...
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