碼頭巨型沉箱滑模工法施工及品質管理研究;Research on the construction and quality management of giant caissons at docks using slip form construction

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题名:	碼頭巨型沉箱滑模工法施工及品質管理研究;Research on the construction and quality management of giant caissons at docks using slip form construction
作者:	林鳳杰;JIE, LIN FENG
贡献者:	土木工程學系在職專班
关键词:	碼頭工程;巨型沉箱;滑模控制;混凝土初凝時間控制;滑模上升速率
日期:	2024-06-24
上传时间:	2024-10-09 14:42:11 (UTC+8)
出版者:	國立中央大學
摘要:	台灣四面環海，碼頭工程在我國現代港口建設中扮演著至關重要的角色，而沉箱作為碼頭施工過程中常用的結構元件之一，其施工品質直接關係到碼頭工程的安全性和可靠性。滑模控制作為確保沉箱製作工程順利進行、確保工程品質的關鍵，對碼頭工程的建設完成更是至關重要。根據2021年「珍愛藻礁」公投結果，「中油第三天然氣接收站」將北防波堤外推而新增107座巨型沉箱，即為本研究案例「觀塘接收站外推方案之外廓防波堤新建工程」。本案例沉箱高度由23M至27M，該批巨型沉箱製作工程除了須解決24小時施工應有的人力、機具配置問題，更須面對混凝土工作度調整、混凝土初凝時間控制、滑模上升速率調整等問題，以確保施工品質符合要求並減少施工風險及符合進度排程。為解決上述挑戰，本研究將採用歸納法、個案分析法、及成效分析法。首先，通過文獻探討和實際案例訪查，瞭解碼頭工程施工的實際情況及理論基礎。其次，深入分析施工流程，探討可能出現的品質問題和風險。第三，進行滑模控制技術查訪，並提出品質控制的方法。最後，通過實際案例檢驗品質控制方法的實際效果，以確保研究具有實用性和可操作性。 ;Surrounded by the sea on all sides Taiwan relies heavily on port infrastructure for its modern harbor construction with quay construction playing a crucial role. Among the structural components commonly used in quay construction, the caisson directly influences the safety and reliability of harbor projects. Sliding formwork control as a key factor in ensuring smooth caisson construction and project quality is paramount for the completion of harbor construction. Following the results of the 2021 "Protect the Reefs" referendum, the "Third Natural Gas Receiving Station of CPC Corporation" will extend the north breakwater and add 107 giant caissons, constituting the "Expansion Project of Kwun Tong Receiving Station Outlying Breakwater" in this study. These giant caissons range in height from 23m to 27m. Apart from addressing the manpower and equipment allocation required for 24-hour construction challenges include adjusting concrete workability controlling initial setting time, and regulating sliding formwork ascent rate to ensure construction quality meets standards, minimize construction risks, and adhere to the project schedule. To tackle these challenges, this study employs inductive reasoning, case analysis, and effectiveness analysis. Firstly through literature review and case studies, the practical situation and theoretical foundation of quay construction are understood. Secondly, construction processes are thoroughly analyzed to identify potential quality issues and risks. Thirdly, sliding formwork control techniques are investigated, and quality control methods are proposed. Finally the effectiveness of quality control methods is verified through practical case examinations, ensuring the research′s practicality and operability.
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