Concrete tubular pile system suitable for soft soil foundation and construction method thereof

Abstract

The invention belongs to the technical field of foundation construction, and particularly relates to a concrete tubular pile system suitable for a soft soil foundation and a construction method thereof. The concrete tubular pile system comprises a pile tip, a pipe body, hollow guide pipes and soil body fixing pipes, wherein the hollow guide pipes are obliquely arranged in the pipe body downwards by forming a first angle with the vertical direction, the two ends of the hollow guide pipes are open, the lower ends of the hollow guide pipes communicate with the side wall of the pipe body and are fixed to the pipe body, the outer diameters of the soil body fixing pipes are matched with the inner diameters of the hollow guide pipes, and the soil body fixing pipes penetrate through the hollow guide pipes and extend to the outer side of the pipe body, so that the soil body fixing pipes are fixed to a soil body foundation. According to the concrete tubular pile system, on one hand, secondary consolidation and sedimentation of post-construction site soil can be achieved, on the other hand, vacuum preloaded water is used for pile forming, the water-saving and environment-friendly effects are achieved, in addition, the concrete tubular pile system effectively solves the construction problem, and the concrete tubular pile system still has the anti-pulling function while construction is facilitated.

Description

technical field [0001] The invention belongs to the technical field of foundation construction, and in particular relates to a concrete pipe pile system suitable for soft soil foundations and a construction method thereof. Background technique [0002] Weak soil layers such as clay and silt are widely distributed in coastal areas, and have the characteristics of high water content, strong compressibility, poor permeability, low bearing capacity, and long consolidation time. If the pile body is not high enough, its pull-out resistance is insufficient, and the metal components in the pile body buried under soft soil layers such as clay and silt for a long time will be corroded by water, resulting in a reduction in pull-out resistance. [0003] The existing patent application number is 202010058353.2, which discloses a construction process and composite pile foundation for foundations in soft soil areas. The composite pile construction process includes forming holes (including...

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Problems solved by technology

[0004] In order to solve the problems existing in the prior art, the present invention proposes a new concrete pipe pile system suitable for soft soil foundation and its construction method. While solving the problem of secondary settlement of the soil after construction, the concrete pipe pile The system has a certain pull-out capability

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