Influence of shield tunnel construction on neighboring building

2019 3rd International Workshop on Renewable Energy and Development

能源学;生态环境科学

Dai, Jun^1 ; Liu, Lei^2

Civil Engineering School, Shandong Jianzhu University, Jinan

250101, China^1

Shanghai Mitsubishi Elevator Shandong Branch, China^2

关键词: 2-D finite element method;    Adjacent structures;    Neighboring building;    Shield tunnel construction;    Soil disturbances;    Surface settlements;    Tunnel excavation;    Underground tunnels;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/267/4/042003/pdf
DOI  :  10.1088/1755-1315/267/4/042003

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

The construction of underground project or the underground tunnel will influence the subsiding of neighboring building on the earth surface. In view of soil disturbance, 2D finite element method is adopted in this paper to study and shield tunnel construction of adjacent structures. Our research indicates that surface settlement together with force and deformation of the lining increase by the existence of buildings, simultaneously, additional stress and deformation of adjacent structure are induced during tunnel excavation construction. When L/D = 0.5 to 2, great surface settlement is produced with more settlement difference between building head and tail, and the building is in danger in the region. At the same time, the value of inner force also increases obviously. Out of the region, the influence on the buildings is ignored.