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介绍了某隧道进口段塌方段处理中采用的施工方法和支护措施,对该隧道发生如此大规模的塌方进行机理分析,并总结施工经验。
The construction method and supporting measures adopted in the treatment of the collapse section of a tunnel entrance section were introduced. The mechanism of such a large scale collapse was analyzed and the construction experience was summarized.