城市區域橋梁群之自動化結構分析

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Title:	城市區域橋梁群之自動化結構分析
Authors:	龐雨宸;Pang, Yu-Cheng
Contributors:	土木工程學系
Keywords:	公路橋梁耐震設計規範;有限元素法;城市區域橋梁群;自動化分析;Seismic Design Specifications for Highway Bridges;Finite Element Method;Urban Bridge Network;Automated Analysis
Date:	2025-06-27
Issue Date:	2025-10-17 10:59:55 (UTC+8)
Publisher:	國立中央大學
Abstract:	本論文旨在探討城市區域橋梁群的自動化分析方法。目前本論文研究對象限於一般公路橋梁及鋼構桁架式橋梁，暫不涵蓋如斜張橋、懸索橋等特殊構造形式，並以鋼構桁架式橋梁為例題進行驗證分析。研究首先針對區域性橋梁資料進行全面讀取與整理，接著分析橋梁各個節點位移以及橋梁支承墊的位移行為。本文以《橋梁耐震設計規範》作為分析基礎，計算城市區域橋梁的地震力，將其寫入自動化程式。隨後，利用有限元素法推導三維框架、桁架及彈簧元素的勁度矩陣，進而組合形成橋梁整體勁度矩陣。在研究過程中，針對單座橋梁節點位移及支承部位使用有限元素軟體進行自動化程式的比對與驗證。最後，整合城市區域性橋梁資訊、橋梁耐震設計規範以及橋梁有限元素模型，開發一套具備城市區域、GPS座標、橋梁名稱等資料的自動化橋梁分析系統，實現城市區域橋梁群的高效分析。 ;This study aims to investigate an automated analysis methodology for urban regional bridge networks. The current scope of this research is limited to general highway bridges and steel truss-type bridges, excluding special structural forms such as cable-stayed and suspension bridges. A steel truss bridge is used as a case study for verification and analysis. The research begins with the comprehensive reading and organization of regional bridge data, followed by the analysis of nodal displacements and the behavior of bridge bearings. Based on the Seismic Design Specifications for Highway Bridges, the seismic forces acting on urban bridges are calculated and incorporated into an automated program. Subsequently, the stiffness matrices of three-dimensional frame, truss, and spring elements are derived using the finite element method, and these are assembled into the overall stiffness matrix of the bridge. During the study, nodal displacements and bearing responses of an individual bridge are compared and validated using commercial finite element software. Finally, by integrating urban regional bridge information, seismic design specifications, and finite element models, an automated bridge analysis system is developed. This system includes data such as regional location, GPS coordinates, and bridge names, enabling efficient analysis of urban bridge networks.
Appears in Collections:	[Graduate Institute of Civil Engineering] Electronic Thesis & Dissertation

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