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題 名 | 黏土層深開挖引致之地表沉陷=Ground Settlements Casued by Deep Excavation in Clay |
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作 者 | 王建智; 林宏達; 吳明峰; | 書刊名 | 地工技術 |
卷 期 | 76 1999.12[民88.12] |
頁 次 | 頁51-62 |
專 輯 | 深開挖結構設計 |
分類號 | 441.13 |
關鍵詞 | 開挖; 地表沉陷; 地盤沉陷; 黏土; 土壤模數; Excavation; Ground settlement; Subsurface settlement; Clay; Soil modulus; |
語 文 | 中文(Chinese) |
中文摘要 | 本文旨在研擬一個可以改善現階段數值分析無法合理評估深開挖引致之地表沉陷 行為的簡化分析方法。本文所建議之方法與大多數現有分析方法的最大差異是考慮了距連續 壁較遠處彈性土壤勁度模數應由小應變行為所控制。由三個座落於厚層軟弱黏土層之基礎開 挖案例的分析結果顯示,此簡化方法可以大幅提昇地表沉陷預測的準確性。本文建議的簡化 分析方法,也提供了一個可以合理評估地表下之地盤沉陷行為的工具。 |
英文摘要 | The objective of this study is to develop a simplified method to better evaluate the ground settlements caused by deep excavation in clay. The proposed method differs from others by incorporating the effects of small strain on the elastic soil modulus. Three field cases located in thick clay layers are then analyzed. Analytical results show good agreement with the measured results. including ground settlements and wall displacements. The proposed method also provides a reasonable tool for the evaluation of subsurface soil settlements induced by excavation. |
本系統中英文摘要資訊取自各篇刊載內容。