查詢結果分析
來源資料
頁籤選單縮合
題 名 | 應用Q法評估壩址岩體類別之初步探討=Preliminary Study of Application Q-Method to Evaluate Damsite Rock Mass Classification |
---|---|
作 者 | 秦德; 詹文正; 陳佳芬; 詹益湘; 鄭孟雄; | 書刊名 | 工程環境會刊 |
卷 期 | 31 2013.07[民102.07] |
頁 次 | 頁77-90 |
分類號 | 443.92 |
關鍵詞 | Q法; 岩體類別; Q-method; Rock mass classification; |
語 文 | 中文(Chinese) |
中文摘要 | 從台灣北部一處規劃中之水庫計畫,嘗試應用Q法的調查方式來評估壩址岩體類別,對於目前已完成該壩址之4處長鑽孔總計404公尺的岩心,進行Q-logging的評估工作。評估結果顯示,河谷鑽孔點位Q值分別為28及22,岩體為屬性良好(good)之分類。邊坡鑽孔點位Q值分別為3.7及1.8,岩體為屬於差(poor)之分類。另外,利用壩址上下游11條折射震測線總長1380公尺之基盤波傳速度Vp,以經驗公式換算Q值之估算,結果顯示,壩址區之河床範圍,以及壩軸上游右岸之岩體為屬於良好(good)之分類,但壩軸上游左岸測線位置,與壩軸下游右岸邊坡鑽孔位置之岩體為屬於差(poor)的分類,可能與厚層塊狀砂岩層mss2延伸有關,而壩軸下游左岸頁岩層sh1形成於山溝位置之岩體亦為屬於差(poor)的分類,這些初步探討結果可以與細部之壩軸地質調查成果相互比對,以提供壩體規劃之參考。 |
英文摘要 | The planning reservoir is located north Taiwan, trying to utilize Q-method to evaluate damsite rock mass classification. This paper use Q-logging ratings 4 boreholes total length are 404 meters, the Q-value of river bed are 28, 22 and the rock mass classification is good, the Q-value of slope are 3.7, 1.8 and the rock mass classification is poor. According to the Vp from 11 refraction survey total length are 1380 meters, use the empirical equation correlation between Vp and Q, the rock mass classification of river bed and upstream right bank of dam axis are good, upstream left bank of dam axis are poor, and downstream left bank valley which is formed of shale are poor. The rock mass classification need to re-assessment base on the detail investigation on dam axis. |
本系統中英文摘要資訊取自各篇刊載內容。