4/27/2025, 3:36:09 AM 星期日
Discussion on tunnel Excavation Methods(I)
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U455.4

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    Abstract:

    Tunnel excawition methods have been studied from theories and practices.And conditions of usageand advantags of three methods have been discussed,these are:total cross section method,step method and guidinghole method,as well as the main factors in selecting excavating methods.Suggestions on populariring latest technolo-gy,technique and strengthenning management in tumsel excavation of MGMR have been put forward.

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History
  • Published: March 25,1994
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