[[alternative]]Optimization Analysis of Arch Axis of Special-shape Arch Bridge
[[abstract]]異型拱橋相較於常規拱橋，在追求地形配合的同時，必然要犧牲一些結構受力的合理性。兩者之間如何圓滿共贏，實為一個值得探討的課題。本文旨在探討異型拱橋的拱軸線優化分析，文中所探討的是一種拱肋斜跨主梁的異型拱橋。拱肋跨徑180m，矢跨比0.3451，主梁跨徑190m，平面半徑600m。探討的內容主要包括： 1.求解合理拱軸線：本文提出兩種合理拱軸線的近似解法包括二階微分方程式數值解法及桁架近似數值解法。 2.優化拱軸線：本文應用修正的桁架近似數值解法，求解拱肋的近似合理拱軸線 ...
邱文亮
core
碩士[[abstract]]自錨式吊拉組合橋是一種全新的結構體系，由主梁、橋塔、主纜、斜拉索及垂直吊索所組合而成的新式橋梁，兼具了自錨式懸索橋和斜張橋的許多優點。相較於自錨式懸索橋，具有較高的抗風穩定性；又相較於自錨式斜張橋，則具有較低的橋塔高度，所以在大跨度橋梁中具有很大的發展空間。 本文針對自錨式吊拉組合橋的地震反應特性進行分析模型建立與分析探討比較，文中利用ANSYS套裝軟體，以反應譜法及歷時法，進行在堅硬、普通 ...
陳信宇
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