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題 名 | 托底工法在捷運工程之應用--以機場線CA450A標為例=Application of Underpinning on the MRT Project--Taking Taiwan Taoyuan International Airport Line Section Contract CA450A as an Example |
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作 者 | 李萬鈞; 劉政雄; 林恆次; | 書刊名 | 捷運技術 |
卷 期 | 44 2011.02[民100.02] |
頁 次 | 頁189-206 |
專 輯 | 新都會 新捷運 邁向黃金雙城--三環三線專輯 |
分類號 | 441.9 |
關鍵詞 | 三環三線; 雙圓潛盾隧道; 高架道路P64橋墩基礎; 托底; 載重轉移; 監測; Taipei MRT Three Rings & Three Lines; DOT tunneling; Bridge pier No. P64; Foundation; Underpinning; Loading transfer; Monitoring; |
語 文 | 中文(Chinese) |
中文摘要 | 本工程是三環三線路網第三環之一段,『臺灣桃園國際機場聯外捷運系統建設 計畫CA450A標』DOT雙圓潛盾隧道依設計線形穿越三重環河快速高架道路P64橋墩 基礎下方,必須先進行橋墩托底工程並移除既有基樁後,潛盾機方可順利通過。本文 以P64橋墩托底工程經驗,重點說明觀測系統、圓鋼柱移承作業、墩柱與基礎切割分 離、載重自圓鋼柱轉移至暫撐鋼架、墩柱與基樁敲除、新橋墩與基礎構築、載重回轉 等施工過程及監測數據,以提供爾後類似工程施工之參考。 |
英文摘要 | The construction introduced in this paper refers to one section of the third ring of the Taipei MRT “Three Rings & Three Lines”—Section Contract CA450A. As a Double-OTube (DOT) shield tunnel passes beneath the foundation pile of bridge pier No. P64 of the Huanhe Expressway in Sanchong District, the underpinning of the bridge pier and removal of foundation pile had to be fi nished before the shield tunneling machine arrived. This paper introduces the key points of the monitoring system, bridge loading transfer from columns to temporary truss frame, knocking-out existing pier and foundation piles, construction of new bridge pier and foundation, and reloading of weight-bearing, etc. that were experienced during the underpinning work on bridge pier No. P64. These construction processes and data will serve as a reference for future projects. |
本系統中英文摘要資訊取自各篇刊載內容。