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Study on construction methods above the double-arch tunnel covered up shollowly

WANG Xing-tong WANG Jing  
Base on the specific condition of the Pengjia garden tunnel,according to the numerical simulation of the construction condition,also recommending reascnable excavation sequence and supporting methods,the two sets of construction plans which has been adopted during the construction process have been confirmed,on the basis of the active construction plan,we can obtain the influence to the arch and surface subsidence caused by the various working procedure.
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