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介绍紫坪铺水利枢纽大坝趾板固结灌浆效果检测方法、原理以及现场工作布置,利用达标分析法和统计对比分析法着重分析紫坪铺水利枢纽大坝趾板固结灌浆效果,并对不同的岩性在灌浆前后波速提高幅度及统计量的提高率进行了统计与对比。
This paper introduces the testing method, principle and arrangement of toe slab consolidation grouting effect of dam in Zipingpu hydro project, and analyzes the grouting effect of plinth consolidation grouting of dam by using standard analysis method and statistical contrast analysis method The different lithologies were statistically compared with the increase rate of wave velocity and the rate of increase of statistics before and after grouting.