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題 名 | 兩岸之軟土深開挖方案研討與建議=A Comparison of Soft Ground Excavation Proposals from China and Taiwan |
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作 者 | 胡邵敏; 李光雄; | 書刊名 | 地工技術 |
卷 期 | 75 1999.10[民88.10] |
頁 次 | 頁5-14 |
分類號 | 441.13 |
關鍵詞 | 軟土開挖; 重力式擋土措施; 地層改良; 連續壁; 預壘排樁; 支撐系統; 帽樑; 壁體變形; Soft ground excavation; Gravity type retaining system; Ground improvement; Diaphragm wall; Contiguous PIP wall; Bracing system; Capping beam; Wall movement; |
語 文 | 中文(Chinese) |
中文摘要 | 本文比較海峽兩岸對軟土地層中進行開挖工程之工藝設計異同。並以上海市某 工地為例,依基地調查資料及地下室開挖要求,廣徵由兩岸工程機構提出開挖擋土方法、支 撐措施及開挖設計共七種方案。在分析雙方所提出之開挖方案後,顯示大陸方面所採用之擋 土排樁加上地質改良工法著重於以重力式擋土牆擋土觀念,支撐系統變為次要。本地則對擋 土措施(連續壁、預壘排樁)視為樑構件(非重力式)與支撐系統相配合,始能達到安全要 求。但本地方法可提供壁體變形、地層變位分析為最大優點。本文針對雙方之方案提出討論 及建議。 |
英文摘要 | This Paper discusses the difference of soft ground excavation methodologies used in China Mainland and Taiwan. A construction site in Shanghai was taken as an example. Based on the subsoil properties and basement design, 7 excavation proposals were received for analysis. It indicates the retaining methods in proposals from China are mainly gravity type ” contiguous pile wall augmented with ground improvement. Bracing system appears to be less important. However, in proposals from Taiwan, diaphragm wall or PIP wall are considered as a beam system ” supported by internal bracings. This analysis allows predictions of wall movement and ground settlements to be made. This Paper compares the various proposals and finally make suggestions from the Author ’s point of view. |
本系統中英文摘要資訊取自各篇刊載內容。