Bored pile foundation bearing stratum reinforcing and strengthening construction method
A technology of bored piles and construction methods, which is applied in basic structure engineering, sheet pile walls, buildings, etc., can solve the problems of difficult diffusion of slurry and discount of reinforcement effect, and achieves improvement of irrigability, replacement rate, recovery and stability. The effect of soil strength
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[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0037] The construction method for reinforcing and strengthening the bearing layer of the bored pile pile foundation comprises the following steps:
[0038] Step S1, drilling grouting holes: drilling 1 to 3 grouting holes on the pile foundation of the cast-in-place pile, the drilling depth is not less than 1m below the defect section of the bearing layer at the bottom of the pile;
[0039] Specifically, the grouting hole can be drilled using the existing core-...
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