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題名 | 隧道穿越煤礦區之影響分析=Analysis of Tunneling through a Coal Mine |
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作者 | 壽克堅; 劉進金; 林明川; | 書刊名 | 地工技術 |
卷期 | 65 1998.02[民87.02] |
頁次 | 頁73-80 |
分類號 | 441.9 |
關鍵詞 | 隧道工程; 煤礦區; 邊界元素法; Tunneling; Coal mine; Boundary element method; |
語文 | 中文(Chinese) |
中文摘要 | 由於人口成長土地高度開發,本省的道路工程漸向郊區及山區發展。其中在中 北部之丘稜區,因有廢棄或現存煤礦區之存在,而時有鄰近煤坑而引起隧道開挖失敗的問 題。這些問題輕則有沉陷、變形,重則有擠壓變形甚或抽心,實不容隧道設計與施工所忽 視。 本研究以邊界元素法配合使用位移不連續元素模擬地盤、隧道與煤層,進而求取反應 煤坑影響之隧道周邊應力應變分佈,以供設計與施工之參考。針對某一北部案例,本研究 以變形控制之觀念來定出現有煤礦之禁採區,以維未來隧道施工之安全。 |
英文摘要 | The highway construction in Taiwan is gradually extended to suburban and mountainous area instead of the over developed city area. For the past few years, there are more and more failure cases of tunneling in coal mine area, since the coal mines are located in the northwestern foothills. The tunneling problems, i.e., settlement, deformation, and failure, due to the adjacent coal mine are significant. Careful considering the influence of the coal mine is necessary for a successful tunnel design and construction in this area. In this study, boundary element method together with displacement discontinuity element are used to simulate the problem of tunneling through coal seams. The analysis result of stress and strain distribution around the tunnel can be used to estimate the influence of the mine to the tunnel. A real case in northern Taiwan was analyzed and a mining restricting area is also proposed for the safety of tunneling. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。