Analysis on the Influence Factors of Construction Linear Control of Continuous Rigid Structure Bridge

Author:

Liu Yang,Zheng Chunmo,Ba Huaiqiang,Xu Guangli,Li Chao,Xie Qinyun

Abstract

In order to study the influence of prestress on cantilever deflection and construction linear control of continuous rigid frame bridge in construction stage, this paper introduces the significance of continuous rigid frame bridge’s linear control, the calculation principle and deflection influence analysis of vertical formwork elevation in cantilever construction. According to a specific continuous rigid frame bridge, this paper use the finite element software to simulate and calculate the deflection of prestress to the cantilever construction of continuous rigid frame bridge. The influence of friction coefficient between prestressed steel bundle and bellows and prestress loss on cantilever deflection and construction line control of continuous rigid frame bridge is also analyzed, furtherly brings out the solution to deal with the problems due to the change of prestress.

Publisher

EDP Sciences

Reference9 articles.

1. Dong YongXia. Shijiazhuang Tiedao University (2013)

2. Chen Yugen. Southeast University (2016)

3. Tong Jiangang. Southwest Jiaotong University (2007)

4. Zhang Jiyao. Cantilever Prestressed Concrete Continuous Beam Bridge (2004)

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