A kind of sampling device and sampling method for cement soil at pile end at bottom expansion position of expanded bottom pile
A sampling device and cement-soil technology, which is applied in the construction of bottom-expanding piles and the field of cement-soil sampling devices at the bottom of bottom-expanding piles. , low sampling efficiency and other issues, to achieve the effect of low cost, convenient sampling and simple operation
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[0031] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
[0032] Figure 1 to Figure 8 It is a schematic diagram of the structure of the present invention.
[0033] The reference signs are: drill pipe 1, enlarged blade 2, upper soil extraction box 3, inner ring positioning protrusion 31, lower soil extraction box 4, cement soil sample outlet 4a, inner ring positioning recess 41, plugging bolt 5.
[0034] Such as Figure 1 to Figure 8 As shown, a soil-cement sampling device at the bottom of the expanded bottom pile of the present invention includes an expansion blade 2 that is hinged on the drill pipe 1 and can be expanded and collapsed under the control of a hydraulic system, and fixedly installed in the expansion blade 2 The upper soil extraction box 3 on the blade 2 and the lower soil extraction box 4 fixedly mounted on the drill rod 1. Both the upper soil extraction box 3 and the lower soil extraction ...
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