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A Construction Technology of Prestressed Underpinning for Static Cutting and Pulling Columns

A construction technology and prestressing technology, applied in construction, building maintenance, building construction, etc., can solve problems such as high construction cost, slow construction progress, and low construction safety, so as to ensure construction safety and speed up the progress of the engineering department , Reasonable and orderly construction process

Active Publication Date: 2021-12-14
上海标架建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current building construction technology in our country cannot meet the construction needs of various diversified buildings.
Especially in some buildings with complex structures and uncommon structures, there are problems such as slow construction progress, low construction safety, unsatisfactory project quality and high construction costs.

Method used

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  • A Construction Technology of Prestressed Underpinning for Static Cutting and Pulling Columns
  • A Construction Technology of Prestressed Underpinning for Static Cutting and Pulling Columns
  • A Construction Technology of Prestressed Underpinning for Static Cutting and Pulling Columns

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A prestressed underpinning static cutting and pulling column construction process, the prestressed underpinning static cutting and pulling column includes a reinforced concrete bonded prestressed underpinning structure, a diamond wire saw cutting system and a structural displacement and strain monitoring system, specifically The construction process steps are as follows:

[0043] Step 1. Construct a reinforced concrete bonded prestressed underpinning structure, which specifically includes the following steps:

[0044] (1) Installation and binding of new steel bars: Position and install steel bars according to the construction drawings to ensure the continuous flow of the bottom stressed steel bars in the pile area to be pulled out, and pass through the columns to be pulled out and the whole bar in the opening to avoid the distribution of connection points here In the area, the connection between the new steel bar and the original structure shall be connected by the anch...

Embodiment 2

[0065] Such as Figure 1-Figure 13 As shown, taking a fan-shaped structure as an example, it is divided into A, B, C, D, E, F, G axes and A, B, C, D, E, F, G areas, and the distance between the A axis and the center of the circle is 444.200 m, the distance between the B wheel and the center of the circle is 435.200m, the distance between the C wheel and the center of the circle is 425.200m, the distance between the D wheel and the center of the circle is 416.200m, the distance between the E wheel and the center of the circle is 335.200m, the distance between the F wheel and the center of the circle is 321.700m, and the distance between the G wheel and the center of the circle is 304.700m; Line 1 to line 85 has an arc of 118.18 degrees, and is divided into 7 areas. Line 1 to line 13 is area A, line 13 to line 25 is area B, line 25 to line 37 is area C, line 37 to line 49 is area D Line 49 to Line 61 is Zone E, Line 61 to Line 73 is Zone F, Line 73 to Line 85 is Zone G, and the ...

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Abstract

The invention discloses a construction process for prestressed underpinning static cutting and pulling columns. The prestressing underpinning static cutting and pulling columns include a reinforced concrete bonded prestressed underpinning structure, a diamond wire saw cutting system and structural displacement and strain Monitoring system, the specific construction process steps are as follows: building reinforced concrete bonded prestressed underpinning structure; prestressed tension, static cutting and monitoring equipment installation; tensioning and column cutting. The construction process of the present invention effectively guarantees the stable and rapid construction progress and the reasonable and orderly construction process, ensuring the realization of the construction period target; at the same time, through a series of scientific calculations combined with the actual construction situation and segmented control, scientific management and advanced technology are combined , will speed up the progress of the engineering department while ensuring construction safety.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a prestressed underpinning static cutting and pulling column construction technology. Background technique [0002] As we all know, with the rapid development of the country, various buildings have also risen from the ground. The diversity of architectural forms also marks the culture and construction level of a city or region. However, the current construction technology in our country cannot meet the construction needs of various diversified buildings. Especially in some buildings with complex structures and uncommon structures, there are problems such as slow construction progress, low construction safety, unsatisfactory engineering quality and high construction costs. Contents of the invention [0003] The purpose of the present invention is to provide a prestressed underpinning static cutting and pulling column construction technology to solve the problems ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G23/04E04G23/06E04G23/08E04G23/02
CPCE04G23/04E04G23/065E04G23/082E04G23/0218
Inventor 过世文胡克旭戴敏张斌
Owner 上海标架建筑科技有限公司
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