Construction method for embedding latticed column through reverse building method

A construction method and lattice column technology, which are used in infrastructure engineering, artificial islands, water conservancy projects, etc., can solve the problems of positioning and direction accuracy, and difficult to control verticality, and achieve the effect of easy control and easy verticality.

Active Publication Date: 2016-09-21
温州市建设工程咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technical focus and difficulty of this construction process lies in the construction of pre-embedded lattice columns embedded in the ground as a support. It is difficult to control the accuracy and verticality of its positioning and direction, which will have a certain impact on the construction.

Method used

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  • Construction method for embedding latticed column through reverse building method
  • Construction method for embedding latticed column through reverse building method
  • Construction method for embedding latticed column through reverse building method

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Experimental program
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Embodiment 2

[0046] Embodiment 2, a construction method of pre-embedded lattice column by reverse method, comprising the following steps:

[0047] 1) Customized positioning frame,

[0048] The positioning frame is the same as the first embodiment;

[0049] 2) The site is flat,

[0050] Before the pile holes are formed, repair and reinforce the damaged parts and trenches on the site to ensure that the positioning frame is placed stably; site reinforcement measures: measure the positions of the four feet 15 on the ground through measurement and lofting, and excavate with equal length, width and height. For a 500mm pothole, pour concrete, smooth the concrete surface, and install the positioning frame after 15 days;

[0051] 3) Pile stake out,

[0052] When setting out, multiple checks and reviews must be carried out, and a cross centerline is set at the hole. The center of the cross centerline follows the principle of coincident with the centerline in the vertical direction of the position...

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Abstract

The invention discloses a construction method for embedding a latticed column through a reverse building method. The construction method is characterized by comprising the following steps that a positioning frame is customized, a field is flattened, a pile position is set out, a pile hole is formed, a reinforcement cage is placed downwards, the positioning frame is placed in place and corrected, the latticed column is placed downwards, the perpendicularity of the latticed column is adjusted, a guide pipe is placed downwards and secondary hole cleaning is conducted, concrete pouring is conducted, and protection work is conducted. By the adoption of the method, control over the perpendicularity of the latticed column embedded through the reverse building method is facilitated.

Description

technical field [0001] The invention relates to the construction field of a basement with an upside-down method, and more specifically relates to a construction method for a pre-embedded lattice column with an upside-down method. Background technique [0002] With the development of the city, more and more attention is paid to the use of underground space, the excavation depth of the basement is getting deeper and deeper, and the requirements for the surrounding construction environment of the building are also getting higher and higher. The safety of roads and pipelines, and in order to speed up the construction progress of the overall project and save project costs, many projects have adopted the "reverse method" construction process of simultaneous construction on the ground and underground. The technical focus and difficulty of this construction process lies in the construction of pre-embedded lattice columns that are used as supports. The accuracy and verticality of its...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/36E02D15/08E02D29/055
CPCE02D5/36E02D15/08E02D29/055
Inventor 李新刚邢丽荣
Owner 温州市建设工程咨询有限公司
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