Real Simulation of 3 D Physical Model Testing for Metro Station Tunnel Construction |
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Authors: | WANG Ke zhong |
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Institution: | School of Civil Engineering and Architecture, Zhejiang Unversity of Technology, Hangzhou 310014, P. R. China |
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Abstract: | Based on the large scale conceptual model theory of similar material, a physical model of metro station tunnel excavation was simulated. The excavation process of metro station tunnel between existing double tubes also was simulated. Ground settling, soil deformation and displacement of specific points around tunnels were studied. The influence of a cast in place pile on reducing soil displacement was simulated. The dynamic mechanical behavior and deformation laws of the soil were obtained along with some useful conclusions. The conclusions are beneficial for guiding the construction and expanded excavation of metro station spaces between existing double tubes. |
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Keywords: | model test multi point displacements metro station tunnel ground settling |
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