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gong lu sui dao jin jing she ying
Author(s): 
Pages: 62-64
Year: Issue:  1
Journal: GEOTECHNICAL ENGINEERING WORLD

Keyword:  近景摄影实态轮廓围岩变形;
Abstract: 采用近景摄影的方法,以获取隧道开挖的实态轮廓线,从而获得任意断面的超挖、欠挖数据.另外,通过前后两次的测摄可获取围岩的变形数据,利用以上数据可对隧道围岩结构进行受力分析、计算,也可确定最佳二次衬砌时间.
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