Installation method of caisson

An installation method and caisson technology, applied in the direction of caisson, building, infrastructure engineering, etc., can solve the problems of low construction work efficiency, large impact on the surrounding environment, high work intensity, etc., to reduce manual workload, reduce construction costs, The effect of improving construction efficiency

Inactive Publication Date: 2016-05-25
CCCC FIRST HARBOR ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing caisson installation and construction method is to make the riprap foundation bed first, and then install the caisson. The foundation bed needs to be dredged, riprap, dynamic compaction, rough leveling, and fine leveling, which has high operating intensity and great impact on the surrounding environment. Part of the process requires diving operations by divers, which has the disadvantages of low efficiency and high risk of construction operations

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A caisson installation method, the first step is to process the caisson foundation groove, so that the caisson and the foundation can be effectively connected; the second step, after the caisson foundation groove is formed, use bagged sand to adjust the positions that need to be processed according to the actual situation of the construction site The foundation is filled and leveled, and the caisson is positioned and initially installed; the third step is the jacking and leveling of the caisson, and the jacking of the caisson is separated from the foundation bed; the fourth step is temporary sealing around the caisson; The fifth step is to use a booster pump to grout the bottom of the caisson through the grouting holes reserved at the bottom of the caisson to form the back-laid caisson foundation. After the mortar has formed strength, remove the jacking mechanism and grout the inside of the jacking pipe; The sixth step is to dig out the temporary sealing structure around...

Embodiment 2

[0019] A caisson installation method, the first step is to process the caisson foundation groove, so that the caisson and the foundation can be effectively connected; the second step, after the caisson foundation groove is formed, use bagged sand to adjust the positions that need to be processed according to the actual situation of the construction site The foundation is filled and leveled, and the caisson is positioned and initially installed; the third step is the jacking and leveling of the caisson, and the jacking of the caisson is separated from the foundation bed; Block stones and bagged concrete are used for temporary sealing around the caisson; in the fifth step, a pressurized pump is used to grout the bottom of the caisson through the grouting hole reserved at the bottom of the caisson to form a back-laid caisson foundation. After the mortar has formed strength, it is removed jacking mechanism, and grouting the inside of the jacking pipe; the sixth step is to dig out t...

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PUM

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Abstract

The invention discloses an installation method of a caisson. The method is technically characterized by comprising the steps that firstly, a base groove of the caisson is treated to enable the caisson to be effectively connected with a foundation; secondly, after the base groove of the caisson is formed, the position foundation needing to be treated is filled with or leveled with bagged sand according to actual conditions on a construction site, and caisson primary positioning and initial installation are carried out; thirdly, caisson jacking and leveling work is performed, and the caisson is jacked up to be disengaged from a foundation bed; fourthly, the periphery of the caisson is temporarily plugged; fifthly, a booster pump is adopted for carrying out grouting treatment on the bottom of the caisson through a grouting hole preserved in the bottom of the caisson, a caisson foundation is laid after forming, a jacking mechanism is disassembled after mortar forms the strength, and grouting treatment is carried out inside a jacking pipeline; sixthly, a temporary plugging structure on the periphery of the caisson is dug out, and caisson installation is finished. By the adoption of the technical scheme, the construction mechanization degree is high, construction efficiency is improved, the construction cost is reduced, influences on the environment are reduced, and operation safety and environmental protection capability are improved.

Description

technical field [0001] The invention relates to the technical field of caisson installation and construction technology, in particular to a caisson installation method. Background technique [0002] The existing caisson installation and construction method is to make the riprap foundation bed first, and then install the caisson. The foundation bed needs to be dredged, riprap, dynamic compaction, rough leveling, and fine leveling, which has high operating intensity and great impact on the surrounding environment. Part of the process requires diving operations by divers, which has the disadvantages of low efficiency and high risk of construction operations. Contents of the invention [0003] The purpose of the present invention is to solve the problems in the above technologies, and provide a caisson and an installation method thereof. [0004] A method for installing a caisson, the first step is to process the foundation groove of the caisson so that the caisson is effecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D23/00E02D23/16
CPCE02D23/00E02D23/16
Inventor 李一勇岳铭滨李增军张乃受陈宝明薛春刚孙业发柳延江
Owner CCCC FIRST HARBOR ENG
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