山东建筑大学学报2013，Vol.28Issue(2)：134-138,171,6.
开挖方式对支护结构和建筑物影响的数值分析
Numerical analysis of the supporting structure and adjacent buildings in different excavation ways
朱华 1钟岱辉 1王宇佳1
作者信息
- 1. 山东建筑大学土木工程学院,山东济南250101
- 折叠
摘要
Abstract
Due to the requirements of the surrounding environmental protection,excavation type is also very important to ensure the quality of pit engineering in addition to selecting the correct supporting system,especially in the soft soil area.The effect of the supporting structure and adjacent frame structure in different excavation ways is analyzed by the three-dimensional finite difference software FLAC3D.Five types of excavation are adopted to simulate the impact of different excavation methods in this paper; overall excavation,island excavation,basin excavation,three sequential excavation and excavation by three parts from the middle to the sides.Deformation of supporting structure,surface settlement and the displacement of adjacent building is calculated.According to the calculation results,the island excavation can effectively reduce the horizontal displacement of the supporting structure,the surrounding ground surface subsidence and the vertical deformation of the building; basin excavation can reduce vertical displacement of the frame structure.Overall excavation,island excavation and basin excavation can effectively reduce the tilt of the building than the other ways.Also,the effects depend on excavation depth,and the deeper you excavate,the smaller difference impact it has.关键词
基坑工程/有限差分/开挖方式/支护结构/邻近建筑/位移Key words
foundation pit engineering/ finite difference method/ excavation type/ supporting structure/adjacent buildings/displacement分类
建筑与水利引用本文复制引用
朱华,钟岱辉,王宇佳..开挖方式对支护结构和建筑物影响的数值分析[J].山东建筑大学学报,2013,28(2):134-138,171,6.
