Method and structure for excavating soil in core tube region based on raft pile supporting
A core tube and wooden raft technology, which is applied in excavation, infrastructure engineering, construction, etc., can solve the problems that large machinery cannot enter the site for operation and the adverse effects of the construction period, so as to reduce the labor load of workers and reduce the excavation area of earthwork , high work efficiency
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[0028] The following describes the present invention in further detail with reference to the drawings and embodiments, but it is not used as a basis for any restriction on the present invention.
[0029] The embodiment of the present invention: the structure of the present invention is as figure 1 with figure 2 As shown, when implementing the method for supporting the excavation of the core tube area with a row of wooden piles of the present invention, the following steps are performed:
[0030] A. According to the length and width of the foundation pit, the first layer of wooden piles are vertically driven one by one on the edge of the foundation pit, and the length of the wooden piles constituting the wooden pile is 4 meters;
[0031] B. Fix a circle of horizontal wooden piles with gate-type grab nails on the side of the foundation pit of the first layer of wooden piles;
[0032] C. Vertically drive steel ground anchors on the ground at intervals of 2 meters at 3 meters outsid...
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