Pile and soil concreted and integrated composite pile and construction method thereof

A construction method and composite pile technology, which are applied in sheet pile walls, soil protection, infrastructure engineering and other directions, can solve the problems of difficulty in obtaining economic and technical effects, and achieve the effects of large pile body volume, simple construction and high density.

Inactive Publication Date: 2016-04-13
邓亚光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In more complex foundations, it is difficult to achieve ideal economic and technical effects by using a single foundation treatment method or pile type. For example, commonly used powder spray piles, vibrating sinking pipe grouting piles, and pipe piles are restricted in some areas.

Method used

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  • Pile and soil concreted and integrated composite pile and construction method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A construction method for pile-soil concrete integrated composite piles, comprising the following steps: (1) injecting granular aggregates into the soil layer of the site to form densely arranged loose piles; Drive reinforced concrete piles into the soil layer of granular aggregate (including prefabricated solid piles, hollow piles, steel pipe piles and other special-shaped piles or cast-in-place concrete piles and composite pile types of cast-in-place concrete and prefabricated piles); (3) Then inject a curing agent into the soil layer filled with granular aggregate, stir and solidify to form a composite pile.

[0019] Step (1) When the granular aggregate is injected into the soil layer of the site to form densely arranged granular piles, drainage channels are formed, and the in-situ soil can be quickly drained and consolidated; step (2) the piles injected with granular aggregate When the reinforced concrete pile is driven into the soil layer, the soil ar...

Embodiment 2

[0020] Embodiment 2: A construction method for pile-soil concrete integrated composite piles, comprising the following steps: (1) injecting granular aggregates into the soil layer of the site to form densely arranged loose piles; In the soil layer of granular aggregate, high-pressure injection of curing agent and spinning and stirring to form concrete; (2) Reinforced concrete piles (including prefabricated solid piles, hollow piles, steel pipe piles and other special-shaped piles) are driven into the concrete or cast-in-place concrete piles and composite piles of cast-in-place concrete and prefabricated piles) to form pile-soil concrete integrated composite piles.

[0021] Step (2) When spraying the curing agent at high pressure in the bulk pile and spinning and stirring to form the concrete, the concrete in the full length range is spinning and extruded through the chain and the back pressure screw blade set on the pile driver, and at the same time The soil around the pile is...

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Abstract

The invention discloses a pile and soil concreted and integrated composite pile and a construction method thereof. The pile and soil concreted and integrated composite pile comprises a peripheral compact soil layer. The compact soil layer is filled with in-site soil and a granular material and curing agent concreted body. The concreted body is integrally provided with a reinforced concrete pile, wherein the reinforced concrete pile and the concreted body are concreted into a whole. According to the pile and soil concreted and integrated composite pile and the construction method thereof, a frequently-used flexible granular material pile, a semi-rigid cemented soil pile, a rigid high-strength concrete pile are constructed in a compositing manner, the composite pile with the complementary strengthening and synergetic bearing functions is formed, the defect of a single pile method is overcome, and the beneficial effects of the single pile method are maintained, quality is reliable, construction is easy and convenient, manufacturing cost is low, the strength, rigidity and density are high, and the pile body size is large, so that the single-pile bearing capacity of the composite pile is high, meanwhile the weak state of soil among piles is improved greatly, and pile and soil bearing capacity distribution and pile body stress distribution are optimized; and the pile and soil concreted and integrated composite pile can be used as a vertical reinforcement body in a composite foundation as well as a single rigid pile with the compression resistance, pulling resistance, leveling resistance and corrosion resistance functions, can be used for foundation pit supporting and diaphragm wall engineering and has the wide application prospects.

Description

technical field [0001] The invention relates to a pile-soil concrete integrated composite pile and a construction method thereof. Background technique [0002] In more complex foundations, it is difficult to achieve ideal economic and technical effects by using a single foundation treatment method or pile type. For example, commonly used powder spray piles, vibrating sinking pipe grouting piles, and pipe piles are restricted in some areas. How to form a composite pile type with pile-soil interaction, complementary reinforcement, and coordinated bearing capacity has become an important research topic in the industry. Contents of the invention [0003] The object of the present invention is to provide a pile-soil-concrete integrated composite pile with reasonable structure, reliable quality and convenient construction and its construction method. [0004] Technical solution of the present invention is: [0005] A pile-soil-concrete integrated composite pile is characterize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/22E02D3/08E02D5/46E02D5/50E02D3/10
CPCE02D5/22E02D3/08E02D3/10E02D5/46E02D5/50
Inventor 沙焕焕邓亚光
Owner 邓亚光
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