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《Northern Architecture》 2017-05
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Analysis on the Influence of Excavation of Urban Tunnel on Underlying Existing Metro Tunnel

DING Wenjuan;China Design Group Co.,Ltd.;  
This paper takes a urban tunnel on underlying existing operating metro tunnel as the object of study,the whole process numerical analysis of tunnel foundation excavation and support construction is simulated by using MIDAS-GTS.This paper analyzes the influence of tunnel excavation on the deformation of existing subway area,and puts forward the corresponding measures such as foundation reinforcement and step excavation to control the deformation of subway area.
【CateGory Index】: U231;U456.3
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