Formwork supporting method for shear wall of high-rise building

Abstract

The invention discloses a formwork supporting method for a shear wall of a high-rise building. The method is characterized by including a construction joint position outer mould treatment process, a shear wall section control process and an elevator shaft formwork supporting process. Special nuts are embedded in concrete at the roots of construction joints to form reliable anchor points by wire drawing so as to prevent outward expansion of root outer moulds. By special inner side supports for shear wall formworks, the formworks are prevented from recessing inwards, and precision section size of the shear wall is guaranteed. By combination of L-shaped formworks and linear formworks of an elevator shaft and adoption of a lightweight turnover operating platform, the problem of difficulty in mass control of corners of the elevator shaft is solved, and construction efficiency is improved.

Description

technical field [0001] The invention relates to a formwork support method for a high-rise building shear wall. Background technique [0002] At present, there are no reliable and effective reinforcement measures for the outer edge wall of the reinforced concrete shear wall structure of most high-rise steel buildings, the outer formwork of the column and the inner formwork support of the inner tube of the elevator shaft, resulting in mold expansion and leakage in the horizontal construction joints of the formed concrete. In addition, when constructing shear walls, templates are usually pulled against each other and the lateral pressure of concrete during pouring is used to control the size of the section. For the drawing and tensioning of the formwork, only the maximum limit of the section can be guaranteed. , due to the uncertainty and uncontrollability of the lateral pressure of the concrete, the lateral pressure of the concrete is not enough, and the formwork often sags to...

AI Technical Summary

Problems solved by technology

[0002] At present, there are no reliable and effective reinforcement measures for the outer edge wall of the reinforced concrete shear wall structure of most high-rise steel buildings, the outer formwork of the column and the inner formwork support of the inner tube of the elevator shaft, resulting in mold expansion and leakage in the horizontal construction joints of the formed concrete. In addition, when constructing shear walls, templates are usually pulled against each other and the lateral pressure of concrete during pouring is used to control the size of the section. For the drawing and tensioning of the formwork, only the maximum limit of the section can be guaranteed. , due to the uncertainty and uncontrollability of the lateral pressure of the concrete, the lateral pressure of the concrete is not enough, and the template often sags toward the inner side of the shear wall, resulting in inaccurate cross-sectional dimensions and insufficient surface flatness.