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Determination of Shear Strength between Bedrock and Cemented Interface of Concrete by Considering Multi-factors
Author(s): 
Pages: 8-10,15
Year: Issue:  2
Journal: Geotechnical Investigation & Surveying

Keyword:  基岩 混凝土 胶结面 粗糙度 抗剪强度;
Abstract: 以润扬大桥南汊悬索桥北锚碇基坑工程为背景 ,分析了影响锚碇混凝土基础与基岩胶结面抗剪强度的多种影响因素。开展了基岩 -砼胶结面的室内和现场原位抗剪断强度试验 ,以及整个建基岩面的回弹值检测及粗糙度量测试验 ,获得了建基面多种特征及参数。在此基础上 ,将基岩面分区分析 ,并概化出确定锚碇整体抗剪强度参数值的公式 ,探讨了在试验基础上考虑多种因素时整个胶结面抗剪强度确定方法及其合理性
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