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结合包西铁路马家岔二号隧道施工中的预注浆加固软弱岩体的施工技术,论述了注浆加固的机理,介绍了注浆方法,注浆材料的选用,对黄土隧道施工有一定借鉴。
Combined with the construction technology of pre-grouting to strengthen soft rock mass in the construction of Majiaft No.2 Tunnel in Baoxi-West Railway, the mechanism of grouting reinforcement is discussed. The grouting method and the selection of grouting material are introduced. The construction of loess tunnel is certain Learn from