Research on the Application of Expressway Shallow-buried Bored Tunnel Construction Technology in Complex Environment
As a high-risk underground undercutting construction project,the tunnel is easy to cause vicious events such as stratum instability,surrounding building tilting and collapsing,surface subsidence,traffic interruption,and mass casualties under underground action.Based on the shallow-buried bored tunnel construction of an expressway in Luoyang City,Henan Province undercrossing an existing line,this paper discusses the effective measures taken in the actual construction and the effects,aiming to minimize the risk of construction in complex environment,summarize the construction experience,and ensure the smooth progress of the engineering construction.
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