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Static pile sinking construction process

A construction technology and pile sinking technology, which is applied in the direction of sheet pile wall, soil protection, foundation structure engineering, etc., to avoid adverse effects, reduce soil squeezing effect, and avoid disturbing residents

Inactive Publication Date: 2018-05-29
陈露露
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned problems in the existing technology, and propose a construction technology of static pressure pile sinking. Adverse effects on objects and the environment

Method used

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Embodiment Construction

[0024] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0025] refer to figure 1 , the present embodiment is a construction technique for implementing static pressure pile sinking on a slope near a building, which consists of the following steps:

[0026] In step a, the pile ground is compacted and leveled;

[0027] Step b, measure the pile position for marking, and pre-drill the hole through the screw rod 2 on the static pressure pile driving machine 1;

[0028] Step c, lifting the first pipe pile 3, and carrying out static pressure pile sinking on the first pipe pile 3, taking soil through the screw rod 2 during the pile sinking process of the first pipe pile 3;

[0029] Step d, lift the second pipe pile 4, and carry out static pressure pile sinking on the second pipe pile ...

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Abstract

The invention provides a static pile sinking construction process and belongs to the technical field of building construction. By means of the static pile sinking construction process, the problem that existing static pile sinking is low in efficiency. The static pile sinking construction process is composed of the following steps of compacting a pile land to be flat; measuring pile sites for marking, and carrying out pre-drilling to form hole through a spiral rotary rod on a static pile sinking machine; hoisting pipe piles, digging soil through the spiral rotary rod, descending a drill bit ofthe spiral rotary rod to the positions below the bottom ends of the pipes pile for drilling when the sinking speed of the pipe piles is too low, and making the drill bit of the spiral rotary rod retract into inner cavities of the pipe piles after the pile sinking speed of the pipe piles is increased; and backfilling the space between the pipe piles. According to the static pile sinking construction process, the pipe piles are sunken in a static pile sinking mode, construction noise can be lowered and prevented from disturbing residents, the influence on surrounding buildings is small, and thepile sinking efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of building construction and relates to a construction technology of static pressure pile sinking. Background technique [0002] The static pressure pile belongs to the soil-squeeze pile, and the soil-squeeze effect is obvious. On the one hand, the soil-squeeze effect can increase the side friction resistance of engineering piles and increase the bearing capacity of single piles, but on the other hand, it will have adverse effects, especially in soft soils. Distributed areas, even destructive engineering accidents, this impact is mainly manifested in the following aspects: cracking of surrounding buildings and structures, ground uplift accidents; outward diffusion of soil drives pipelines to move sideways, causing pipelines to break, pull There is also a situation that the reinforced foundation is mixed with a certain thickness of plate-bound sand layer, the pile sinking is difficult, and the pile ends canno...

Claims

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Application Information

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IPC IPC(8): E02D3/08E02D7/22
CPCE02D3/08E02D7/22
Inventor 陈露露
Owner 陈露露
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