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| 題 名 | 高層建築物在捷運車站共構之結構設計特殊考量--「臺北雙星案」為例=Taipei Twin Towers: A Case Study on Special Considerations in Structural Design for Integrating High-rise Buildings and Metro Stations |
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| 作 者 | 郭錫卿; 林柏君; 方嘉宏; 林敬傑; 蔣迪; 陳雋; 臺北雙星; | 書刊名 | 捷運技術 |
| 卷 期 | 60 2025.10[民114.10] |
| 頁 次 | 頁53-76 |
| 分類號 | 442.96 |
| 關鍵詞 | 超高層建築結構; 聯合開發; 複合鋼板剪力牆; 彈塑性分析; 臺北長廊; High-rise building; Joint development; C-PSW/CF; Elasto-plastic analysis; Taipei corridor; |
| 語 文 | 中文(Chinese) |
| DOI | 10.29670/JRTST.202510_(60).0004 |
| 中文摘要 | 本案為臺北市政府西區門戶計畫的重點計畫之一,機場捷運 A1 臺北車 站與 C1 / D1 聯合開發大樓共構,地下 3 層至地上 2 層的捷運空間已全面營 運。投資人「台北雙星」委託國外建築師 SOM 提出嶄新的建築方案,重新 規劃建築量體、外觀及空間設計,同時將其與已建成既有結構整合,亦帶來 了諸多結構設計挑戰。 為實現整體建築設計意象下,透過應用結構動力學和空氣動力學重塑建 築量體及外觀,使得 C1 和 D1 塔樓高度分別提升至 280 和 360 公尺。同時, 要提升核心筒勁度及強度,D1 塔樓以創新的複合鋼板剪力牆系統(C-PSW / CF)替代傳統特殊同心斜撐系統(SCBF),並搭配外伸桁架(Outrigger) 將核心筒與外框鋼柱剛性接合。此外,由於國內施工廠商缺乏對 C-PSW / CF 的施工經驗,故以實體模型試驗(Mock-Up Test)強化鋼構及混凝土工程 的施工品質保證及管理。再以 11 組鄰近工址之臺北盆地實測地震資料進行非 線性彈塑性分析,驗證 C1 及 D1 塔樓在不同地震水準下結構行為,均能維持 良好的性能表現,且構件的韌性機制均符合設計預期。再者,為了減少對機 場捷運站的影響及提高既有地下室補強施工性,採用改變力傳遞路徑和尋求 合適的補強位置作為補強策略。 連續壁、基樁與基礎組合成類似沉箱基礎型式,並以三向度等效彈簧模 擬土壤與結構互制。在不同的載重組合作用下,進行變形量及應力檢核,確 保既有基礎及基樁安全無虞。 臺北長廊,被定義為臺北城的歷史軸線,位於錯綜複雜的地下構造上。 因此,部分鋼柱坐落於臺高鐵的隧道上方,為了克服難題,採用長跨轉換鋼 梁跨越隧道,其北側與既有地下室外牆相接,南側則座落在新建基樁,而不 與隧道直接接觸,此配置可將鋼柱的上部載重往兩端傳遞,確保隧道的安全。 C1 / D1 聯合開發大樓是一個高度複雜和具有挑戰性的專案,需要團隊 成員之間不斷的溝通和協調,以擬定可靠的結構設計策略。通過創新且嚴謹 的結構設計,將新舊結構融為一體,確保整棟建築的安全。 |
| 英文摘要 | This project is a key part of the Taipei City Western District Gateway Project, which includes two theme high-rise buildings, C1 and D1 tower. The Airport MRT A1 station (i.e. Taipei Main Station) extends from basement level B3 to level 2, where it is fully operational, and the two towers will be constructed on A1 station. The investor, "Taipei Twin Towers Ltd.", commissioned the international architect SOM to propose a new architectural scheme that would reconfigure the building's massing, appearance, and spatial design while integrating it with the existing structure, which also leads to numerous structural design challenges. To achieve the overall architectural design philosophy, the building massing and appearance were reformed via the application of structural dynamics and aerodynamics, within an increment of heights forC1 and D1 towers to 280 and 360 meters, respectively. Meanwhile, to enhance the stiffness and strength of the core, the D1 tower utilized Composite Plate Shear Walls - Concrete Filled (C-PSW/CF) instead of conventionally Special Concentrically Braced Frames (SCBF). This innovative system is combined with outrigger trusses to rigidly connect the core wall to the perimeter steel columns. Moreover, due to lack of relevant construction experience about C-PSW/CF, Mock-Up testing was conducted to ensure quality assurance and control of steel and concrete works. In terms of analytical part, through carrying out elasto-plastic analyses of 11 sets of ground motion located adjacent to the construction site, it was secured that both C1 and D1 towers exhibit excellent structural performance under various earthquake levels, with the ductility mechanisms of their components satisfying the performance expectations. In order to further minimize the impact on the airport MRT station and improve the retrofit constructability, the preferred strategy adopts altering the force transfer path and identifying suitable retrofit locations. The slurry wall, piles, and foundation are integrated into a type similar to that of a caisson foundation. A three-dimensional equivalent spring is utilized to simulate the soil-structure interaction, and the deformation and stress are assessed under various load combinations to ensure the safety of the existing foundation and piles. The Taipei Corridor, defined as the historical axis of Taipei Castle, located on complex underground structure surrounding the site. As a result, certain steel columns are situated above the underground railway tunnel. To overcome this challenge, a long-span transfer steel girder is utilized to span the tunnel. The north side of the girder is connected to the existing exterior wall of the basement, while the south side rests on a new foundation, which does not come into direct contact with the tunnel. This configuration transfers the load of the steel column to both ends, ensuring the safety of the tunnel. The C1/D1 Joint Development Building represented a highly complex and challenging project that required constant communication and collaboration among team members in order to develop reliable structural design strategies. Through innovative and rigorous structural design, the new and existing structures are integrated to ensure the safety of the entire building. |
本系統中英文摘要資訊取自各篇刊載內容。