頁籤選單縮合
題名 | Investigation of Tunnel Stress Path during Face Advancement |
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作者姓名(外文) | Chen, C. N.; Huang, W. Y.; | 書刊名 | Journal of Mechanics |
卷期 | 23:4 2007.12[民96.12] |
頁次 | 頁451-458 |
分類號 | 332 |
關鍵詞 | Bench cut tunneling; Round; Stress path method; Principal stress space; |
語文 | 英文(English) |
英文摘要 | Tunnel stress path during excavation was investigated in the study scope. The triple-center section is commonly designated for highway tunnels, but the analytical solution of the stress state for a non-circular tunnel section with multiple bench excavations is difficult to obtain. Our investigation provides an algorithmic procedure which reliably evaluates stress adjustment of a bench excavation with respect to the three-dimensional state of stress. Evaluation of a safety factor at the tunnel face during advancement is performed following the stress path and principal stress space. Keywords : Bench cut tunneling, Round, Stress path method, Principal stress space. |
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