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題 名 | 機場捷運臺北站及聯開共構大樓地下工程施工=Underground Construction of Taipei Twin Tower |
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作 者 | 周家瓊; 李守原; 何樹根; 黃一昌; 林建宏; 陳鴻濤; 林聿羣; | 書刊名 | 地工技術 |
卷 期 | 140 2014.06[民103.06] |
頁 次 | 頁57-68 |
專 輯 | 都會區工程開挖案例 |
分類號 | 441.13 |
關鍵詞 | 橫置連續壁; 地中壁; 扶壁; 祛水; 隆起; Cross wall; Butress wall; Dewatering; Heave; |
語 文 | 中文(Chinese) |
中文摘要 | 臺北市的都市發展遇到最大的瓶頸是建築用地不但取得困難且非常昂貴,大型的建築工程已非常少見,位於臺北車站特定專用區C1及D1用地的雙塔結構,為桃園國際機場聯外捷運系統臺北車站之聯開共構大樓,是近年少見的大面積開發,預計興建56層及76層之大樓各一棟,地下室跨越重慶北路東西兩側的街廓,開挖面積達25,775m2,深度27.1m。本案因為開挖面積大因而大量採用分區橫置連續壁、地中壁及扶壁;地下結構則採用鋼骨混凝土,開挖採用順打內支撐工法,因而地下鋼構需在層層支撐及分區連續壁的阻隔中吊裝;又因用地交付之時程不同,C1及D1之開挖時程不相同,增加了施工的複雜性及困難度。本文介紹本計畫地工設計之構想及 實際施工時遭遇的挑戰及克服方法,而地下室開挖過程中地表監測量得有隆起的特殊現象,因而本文一併介紹前述隆起之各項監測成果。 |
英文摘要 | In Taipei City, a large area underground structure construction is seldom seen recently. The Twin Tower project is the one. Two high rise buildings, one is 56 floors and the other is 76 floors, were planned. They were planned to use one basement which has 4 floors underground. This underground structure is also the starting station of Taoyuan airport rapid transit system and it has been constructed before the two towers. Because of the large excavation area, 25,775m2, the excavation and construction met a different problems from ordinary underground structure. This paper introduced the design and construction ideas. The hydraulic pressure released via dewatering in the Chingmei Gravel Layer are also introduced. When large amount of soil were removed in this case, monitoring data indicated that heavings occurred. This data was also introduced in this paper. |
本系統中英文摘要資訊取自各篇刊載內容。