NUMERICAL SIMULATION OF THE EFFECT OF DOUBLE-O-TUBE SHIELD TUNNEL CONSTRUCTION ON ADJACENT MASONRY BUILDINGS

Wei Gang; Chen Chunlai

doi:10.13204/j.gyjz201201022

Volume 42 Issue 1

Dec. 2014

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Wei Gang, Chen Chunlai. NUMERICAL SIMULATION OF THE EFFECT OF DOUBLE-O-TUBE SHIELD TUNNEL CONSTRUCTION ON ADJACENT MASONRY BUILDINGS[J]. INDUSTRIAL CONSTRUCTION, 2012, 42(1): 117-122,127. doi: 10.13204/j.gyjz201201022

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NUMERICAL SIMULATION OF THE EFFECT OF DOUBLE-O-TUBE SHIELD TUNNEL CONSTRUCTION ON ADJACENT MASONRY BUILDINGS

doi: 10.13204/j.gyjz201201022

1.
Department of Civil Engineering of City College,Zhejiang University,Hangzhou 310015,China

Received Date: 2011-06-18
Publish Date: 2012-01-20

Abstract

Abstract

Considering the interaction of building-soil-tunnel,the raft foundation masonry structure was vertically crossed by double-O-tube(DOT) shield tunnel,which was simulated by the 3D MIDAS/GTS software.The additional settlement and force of structure caused by tunnel construction were analyzed,and the changes of building's floor and the axis distance between building and shield tunnel were considered.The results showed that during the passage of the DOT shield tunnel through the building,the settlement of the building increased;the settlement was stable and had a little rebound when shield machine passed the building;the building had short uneven settlement in driving direction,and it increased first from zero then gradually decreased to zero;the maximum first principal stress 1 and the wall maximum shear strain increased and then was stable.With the increase of axis distance between building and tunnel,the building tended towards to tunnel side,the incline of local foundation increased first and then decreased;the maximal 1 and the maximal shear strain were all remained unchanged within a certain range,and then gradually decreased gradually and approached to their initial value.With the increase of building's floor,the maximal shear strain linearly increased,and it would cause minor damage to the building.
- DOT shield tunnel,
- masonry structure,
- finite element method,
- settlement

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References(14)

References

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