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Numerical Analysis Research of Jacking Method with the Rectification on Steel-Concrete Buildings

机译:钢筋混凝土建筑物顶升纠偏法的数值分析研究

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摘要

This paper first analyzes the tilting reasons of a steel-concrete building in Zhangjiakou city in China. Then, a jacking rectification method which combines the pie-cutting method and the excavation of stress release trench was put forward. This analysis method uses the three-dimensional numerical simulation for soil settlement and vertical displacement and internal force of upper structure in order to assure the safety of the building in the process of rectifying. The analysis case showed that the inclination rate of the building was stable in the process of cutting pie, which proved the efficiency of the proposed method.
机译:本文首先分析了中国张家口市一栋钢混凝土建筑的倾斜原因。然后,提出了一种结合了切饼法和应力释放沟槽开挖的顶进精馏方法。为了确保建筑物整治过程中的安全性,该分析方法对土体沉降,上部结构的竖向位移和内力进行了三维数值模拟,以确保建筑物的安全。分析实例表明,该建筑物的倾角在切饼过程中是稳定的,证明了该方法的有效性。

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