Foundation pile structure

A technology of foundation piles and foundations, which is applied in foundation structure engineering, sheet pile walls, buildings, etc., can solve problems that easily cause soil settlement, and achieve the effects of avoiding soil settlement, improving bearing capacity, and strengthening lateral support

Inactive Publication Date: 2019-01-22
福建博海工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, although the above-mentioned column hammer punching expansion piles have improved the bearing performance of the reinforced foundation base to a certain extent, because the density and quality of the pile body are much larger than that of the reinforced soil body, the pile soil body after reinforcement is easy to carry. cause soil subsidence

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Embodiment 1

[0039] A foundation pile structure, comprising a foundation pile body 1 installed in a foundation pre-drilled hole and a plurality of reinforcement connectors 2 connected to the side of the foundation pile body 1, the foundation pile body 1 is a tubular structure with a closed lower end; The shape of the reinforcing connector 2 is a blade shape with the cutting edge 21 facing downward. The reinforcing connector 2 is provided with a conduit 22 communicating with the inner cavity of the foundation pile body 1. The reinforcement connector 2 and the foundation pile body 1 The radial direction is parallel, and the reinforcement connectors 2 are distributed in multiple layers up and down, each layer is provided with more than two reinforcement connectors 2, and the reinforcement connectors 2 between the layers are distributed in a staggered manner; the lower end of the pile body 1 For the pointed end.

[0040] The upper section 11 of the foundation pile body 1 is in the shape of a r...

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Abstract

The invention relates to the technical field of foundation reinforcement structures, in particular to a foundation pile structure. A tubular foundation pile body of which a side is connected with a blade-shaped reinforcing connector replaces a traditional steel cage structure, when the foundation pile body descends into a pre-piling hole, a blade is in contact with the inner wall of a pile hole and downwards cut apart part of the inner wall of the pile hole, on the one hand, a foundation pile positioning effect is achieved, skewing caused during descending of a foundation pile is avoided, on the other hand, lateral fixation to the foundation pile is reinforced during concrete pouring, concrete is poured to the cavity of the foundation pile body by pressurization, thus, the concrete is extruded towards the side wall of the pile hole through various guide tubes to form nodular concrete, transverse supporting of the foundation pile is further reinforced, particularly, after a foundation with loess, floury soil and cohesive soil which have over high collapsibility and compressed deformation uses the foundation pile structure, the carrying performance of a foundation layer can be greatly improved, and soil mass sedimentation is avoided.

Description

technical field [0001] The invention relates to the technical field of foundation reinforcement structures, in particular to a foundation pile structure. Background technique [0002] Pile foundations are usually composed of foundation piles and caps connected to the upper part of foundation piles. Traditional foundation pile construction is usually to form pile holes in the foundation soil through mechanical drilling, place steel cages in them, and pour concrete into them. pile. [0003] In loess, silt, cohesive soil and other foundations, there are common hazards of collapsibility and excessive compression deformation, and it is necessary to strengthen the foundation to improve its bearing capacity. The foundation reinforcement in the prior art mostly adopts the method of punching and expanding the foundation hole, that is, the foundation hole is drilled first, and then some filler is filled into the hole, and then the pillar hammer is repeatedly lifted and then dropped t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D27/12E02D5/34
CPCE02D5/34E02D27/12
Inventor 苏忠高
Owner 福建博海工程技术有限公司
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