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Device for improving construction efficiency of open pile and construction method

A technology of construction efficiency and pile sinking, which is applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., can solve the problems that the bearing capacity is difficult to meet the design requirements, the design elevation is difficult to reach, and the pile sinking efficiency is slow, so as to improve the pile sinking efficiency , easy to operate, enhance the effect of occlusion effect and end resistance

Pending Publication Date: 2022-02-11
CCCC FOURTH HARBOR ENG INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When pile sinking, the higher the occlusion effect, the slower the pile sinking efficiency, and the harder it is to reach the design elevation, so that the bearing capacity of the pile is difficult to meet the design requirements

Method used

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  • Device for improving construction efficiency of open pile and construction method
  • Device for improving construction efficiency of open pile and construction method
  • Device for improving construction efficiency of open pile and construction method

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Embodiment Construction

[0033] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention. rather than all examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0034] In the description of the present invention, unless otherwise clearly stipulated and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an ...

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Abstract

The invention discloses a device for improving construction efficiency of an open pile and a construction method. The device comprises the open pile and a steel pipe fitting; the open pile comprises a cavity used for containing the steel pipe fitting. The number of the steel pipe fittings is two or more, and the steel pipe fittings are arranged on the inner wall face of the cavity. The steel pipe fittings are hollow pipe fittings, and section hole group are arranged on the steel pipe fittings. According to the scheme, the device is reasonable in structural design and convenient to operate, through the construction method, the blocking effect can be reduced in the pile sinking process, the pile sinking efficiency can be improved, the blocking effect and the end resistance can be enhanced after pile sinking is completed, and the bearing capacity of the pile is improved.

Description

technical field [0001] The invention belongs to the technical field of open pile construction, and in particular relates to a device and a construction method for improving the construction efficiency of open piles. Background technique [0002] Open-ended steel pipe piles and PHC piles (hereinafter collectively referred to as open-ended piles) have the advantages of convenient lifting and transportation, pile sinking and pile connection, strong penetration ability, good tensile and bending resistance of the pile body, and hammer resistance, so they are widely used in ports. Wharf, bridge and other projects are widely used. During the pile sinking process of the open pile, part of the soil at the pile end is squeezed to the periphery, and part of the soil rushes into the pile pipe to form a soil plug. Under the action of the internal friction of the pile (that is, the friction between the inner wall of the pile and the soil), the soil plug will be compressed, so that the pi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D7/24E02D5/50
CPCE02D7/24E02D5/50
Inventor 苏林王王琼与桑登峰苏世定吕述晖
Owner CCCC FOURTH HARBOR ENG INST
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