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Pile Structure Forming Method and Compact Pile Structure

A forming method and technology of pile body, applied in the direction of foundation structure engineering, sheet pile wall, construction, etc., can solve the problem of insufficient bearing capacity, and achieve the goal of improving bearing capacity, strong bearing capacity and performance, large promotion value and application scope. Effect

Inactive Publication Date: 2019-10-29
SICHUAN SHANGYUAN TIANJIAO CONSTR ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to provide a pile structure forming method to solve the problem that the pile bearing capacity of the pile structure in the prior art is not high enough

Method used

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  • Pile Structure Forming Method and Compact Pile Structure
  • Pile Structure Forming Method and Compact Pile Structure
  • Pile Structure Forming Method and Compact Pile Structure

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Experimental program
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Effect test

Embodiment 1

[0038] Figure 1-Figure 4 The forming process of the pile structure forming method is shown in sequence.

[0039] An embodiment of the present invention provides a method for forming a pile structure, which includes the following steps: see figure 1 , open the vertical hole K1 at the preset point, and put the prefabricated pile 10 vertically into the vertical hole K1: the diameter of the pile body of the prefabricated pile 10 is smaller than the diameter of the vertical hole K1, so that the outer peripheral surface of the pile body and the peripheral surface of the vertical hole K1 An annular space Q1 is formed between them;

[0040] see figure 2 , image 3 , fill the annular space Q1 with a set amount of filling material 20, then insert the extrusion ring 30 from the upper end of the prefabricated pile 10, and apply a downward pressure on the extrusion ring 30 through the extrusion device (not shown). The pressure F makes the extrusion ring 30 press down on the filled fi...

Embodiment 2

[0050] Figure 5 It is a structural schematic diagram of the compact pile structure 100 of the present invention. See Figure 5 , the compacted pile structure 100 in the embodiment of the present invention includes a prefabricated pile 10 placed in the vertical hole K1, and an annular space Q1 is formed between the prefabricated pile 10 and the vertical hole K1. The annular space Q1 is filled with a plurality of filling material segments 20 a and extrusion rings 30 arranged at intervals from bottom to top. Each filling material segment 20a is embedded in the environment soil W1 radially outward after being vertically squeezed by the filling material.

[0051] In an implementation of this embodiment, the lower end surface of the extruding ring 30 is conical, and the corresponding filling material segment 20a is extruded to form a shape that is larger at the top and smaller at the bottom. The radially inner side of the filling material section 20 a squeezes the extrusion ring...

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Abstract

The invention relates to the field of pile structures, aims at solving the problem that the formed pile bearing capacity of an existing pile structure is not high, and provides a pile structure forming method and a compaction type pile structure. The pile structure forming method comprises the following steps that a vertical hole is formed in a preset point, and a preformed pile is vertically arranged in the vertical hole; the pile body diameter of the preformed pile is smaller than the hole diameter of the vertical hole, and annular space is formed between the outer circumferential face of a pile body and the circumferential face of the vertical hole; the annular space is filled with a set quantity of filler, then the upper end of the pile body of the preformed pile is sleeved with an extrusion ring, downward pressure is applied to the extrusion ring through extrusion equipment, the extrusion ring presses the filling filler downwards, and the filler is outwards pressed into peripheral environment soil in the radial direction through the extrusion ring; and then the extrusion ring is filled with a set quantity of filler, another extrusion ring is arranged in a sleeving manner to continue extrusion operation till filling of the vertical hole is completed to a set height, and therefore the compaction type pile structure composed of the preformed pile, the filler and the extrusion rings is formed. The pile structure forming method and the compaction type pile structure have the beneficial effect of being extremely high in formed pile bearing force.

Description

technical field [0001] The invention relates to the field of pile structures, in particular to a method for forming a pile structure and a compacted pile structure. Background technique [0002] The prefabricated pile foundation is to press the prefabricated pile into the foundation as a bearing part, and provide bearing capacity through the friction force or end bearing force between the prefabricated pile and the environmental soil. However, the prefabricated pile foundation commonly used in the prior art has the problem of low bearing capacity. Contents of the invention [0003] The present invention aims to provide a pile structure forming method to solve the problem that the pile bearing capacity of the pile structure in the prior art is not high enough. [0004] Another object of the present invention is to provide a compact pile structure formed by the method for forming the pile structure. [0005] Embodiments of the present invention are achieved like this: [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/24E02D5/48E02D5/52E02D3/08
CPCE02D3/08E02D5/24E02D5/48E02D5/523
Inventor 谢绍飞
Owner SICHUAN SHANGYUAN TIANJIAO CONSTR ENG CO LTD