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Monitoring measurement and results analysis of Luoping tunnel construction
Author(s): 
Pages: 7-11
Year: Issue:  7
Journal: Geotechnical Investigation & Surveying

Keyword:  隧道施工 监控量测 围岩稳定 设计;
Abstract: 新奥法施工的核心思想是把隧道围岩和支护结构作为一个完整的支护体系,而监控量测是新奥法施工的重要组成部分。以渝宜高速公路骡坪隧道为工程背景,基于隧道埋深大、大变形等工程特点,通过围岩变形监测、支护体系受力监测和锚杆轴力等现场监测,分析了隧道大变形段典型围岩的变形特点,得到了隧道在软弱岩体施工开挖过程中的围岩变形规律及支护体系受力特点,从而判断围岩的变形状态及支护的可靠程度。研究成果为隧道的现场施工提供了必要的依据,同时也可为分析研究其它同类工程提供参考。
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