頁籤選單縮合
題名 | 曾文水庫越域引水隧道工程湧水評估=Assessment of Inflow for the Transbasin Diversion Tunnel of Tsengwen Reservoir |
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作 者 | 楊豐榮; 龔文瑞; 李振誥; 林宏奕; | 書刊名 | 鑛冶 |
卷期 | 48:4=188 2004.12[民93.12] |
頁次 | 頁29-41 |
分類號 | 441.9 |
關鍵詞 | 隧道; 湧水; 水文地質模型; Tunnel; Inflow; Hydrogeological model; |
語文 | 中文(Chinese) |
中文摘要 | 本文以曾文水庫越域引水隧道現場實二資料建構二維水文地質模型,配合有限差分數值軟體MODFLOW,評估隧道穿越高中斷層破碎帶前後所遭遇湧水情形、隧道開挖平均瞬間湧水量與累積湧水量關係。研究結果顯示,當隧道開挖至著濃斷層與老人溪背斜軸部之間的區域時會有較大瞬間湧水量,其值約為0.505 1/s.m~4.71 1/s.m之間;高中斷層破碎帶內具有較高的地下水位,且為一高滲透性的含水帶,可能造成4.71 1/s.m的最大瞬間湧水量。 |
英文摘要 | The research is to establish a two=-dimensional hydrogeolgoical model to assess the inflow of the eastern part of transbasin diversion tunnel of Tsengwen Reservoir. The computer grogram, MODFLOW, is applied to estimate the variance of inflow during the excavation period and evaluate the instant inflow and the accumulated inflow against the ground-water level. The results show that when the tunnel passes through vicinity of Laonung fault and the hinge of Laorenxi anticline, the greatest instant inflow is occurred and the value is about from 0.505 1/s.m to 4.71 1/s.m; when through Kaochung fault with the higher water table and high-permeability, the value of the greatest instant inflow is about 4.71 1/s.m. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。