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題 名 | 公路邊坡水文設計條件之探討=Refined Hydrology Design Condition of Highway Slope |
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作 者 | 王國隆; 李友恒; | 書刊名 | 地工技術 |
卷 期 | 141 2014.09[民103.09] |
頁 次 | 頁45-50 |
專 輯 | 邊坡規範及地錨岩錨更新維護 |
分類號 | 442.3 |
關鍵詞 | 邊坡設計; 降雨頻率; 設計地下水位; Slope design; Rainfall frequency; Design groundwater table; |
語 文 | 中文(Chinese) |
中文摘要 | 過去邊坡設計時因沒有明確的規範,因此對於造成邊坡失穩的主要原因之地下水,無法有一明確規範,故往往將最高地下水位面假設於地表,此一假設雖可滿足大部分的極限條件,但另一方面卻可能耗費過高的工程經費,本文試圖以設計階段前之調查,分析降雨頻率及地下水位關係,將邊坡設計條件性能化,由降雨頻率訂定設計地下水位,並藉此比較現行邊坡水文設計條件之差異,初步研究案例比較結果顯示,利用降雨頻率訂定之地下水位與現行常用決定方式結果相近,配合明確之年降雨頻率為設計基準,可有效降低工程經費,同時亦達到設計要求之性能。 |
英文摘要 | One of most important factor to induce slope instability is groundwater. The groundwater table was not clear defined without definite regulations. Thus the design groundwater table was usually defined as ground surface. The design may satisfy ultimate condition but also raise engineering budget. Investigation before design phase, analysis relationship of rain fall frequency with groundwater table is introduced in this research. Slope stability design is thus performance based design. The safety of current reinforced slope design is checked with groundwater table defined by rainfall frequency analysis. The results show that current design is suitable with groundwater table defined by rainfall frequency. The engineering fee can be down and design requirement can be satisfied with clear defined rainfall frequency standard. |
本系統中英文摘要資訊取自各篇刊載內容。