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Auxiliary pile sinking device for prefabricated hollow pile

A hollow pile and pile driving technology, applied in sheet pile wall, construction, infrastructure engineering, etc.

Active Publication Date: 2021-06-18
江苏诚晖工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an auxiliary pile driving device for prefabricated hollow piles, so as to solve the technical problem of fixing the auxiliary pile driving device and the adaptability to the diameter of the prefabricated pile

Method used

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  • Auxiliary pile sinking device for prefabricated hollow pile
  • Auxiliary pile sinking device for prefabricated hollow pile

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Embodiment Construction

[0023] In order to better understand the purpose, structure and function of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, an auxiliary pile sinking device for prefabricated hollow piles of the present invention is composed of a booster pump 100 , a fixing frame 200 , a water pipe 300 and a nozzle 600 . The fixed frame 200 is installed on the inner wall of the right hollow pile 500 and the left hollow pile 400 near the bottom of the pile. The fixed frame 200 is equipped with a nozzle 600 , and the nozzle 600 and the booster pump 100 are connected through the water pipe 300 .

[0025] When in use, the fixing frame 200 is first installed on the prefabricated hollow pile (5), and after the fixing is completed, the static pressure pile is started. When encountering a soil layer with high resistance such as hard clay and sandy soil, start the booster pump 100 ...

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Abstract

The invention discloses an auxiliary pile sinking device for a prefabricated hollow pile. The device is composed of a booster pump, a water pipe, a nozzle and a fixing frame. The fixing frame is installed on the inner wall, close to the pile bottom, of the prefabricated hollow pile. The nozzle is installed on the fixing frame. The nozzle and the booster pump are connected through the water pipe. During implementation, after water is pressurized through the booster pump, the water is connected with the nozzle fixed to the fixing frame through the water pipe and sprayed out through the nozzle to be sprayed to pile bottom soil, pile sinking resistance is reduced after the pile bottom soil is softened and liquefied by high-pressure water, and sinking of the prefabricated hollow pile can be accelerated. The problems that the prefabricated hollow pile is difficult to sink in sandy soil and hard clay soil layers, and the construction efficiency is low can be effectively solved.

Description

technical field [0001] The invention belongs to the field of civil engineering, in particular to an auxiliary pile sinking device for prefabricated hollow piles. Background technique [0002] my country's economic construction has driven the rapid development of civil engineering, and the application of pile foundations has become more and more common. Prestressed prefabricated hollow piles have been widely used in recent years. The static pressure type is a main pile sinking method of the prestressed prefabricated hollow pile. The static pressure pile has the advantages of easy guarantee and inspection of the pile body quality, relatively low price, high construction efficiency and no mud pollution. However, when the prefabricated hollow pile encounters soil layers such as hard clay and sandy soil, it will be difficult to sink the pile due to high end resistance, which will greatly reduce the construction efficiency of the pile. Although the construction efficiency can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D7/26E02D13/00
CPCE02D7/26E02D13/00
Inventor 宋永生狄志强黄益骏
Owner 江苏诚晖工程技术有限公司
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