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題名 | 斜張橋之最佳化設計=Optimum Design of Cable-Stayed Bridges |
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作者 | 宋裕祺; 張荻薇; | 書刊名 | 中國土木水利工程學刊 |
卷期 | 10:2 1998.06[民87.06] |
頁次 | 頁299-306 |
分類號 | 441.86 |
關鍵詞 | 斜張橋; 最佳化設計; Cable-stayed bridge; Optimum design; |
語文 | 中文(Chinese) |
中文摘要 | 斜張橋之結構行為受鋼索預力之影響甚鉅,由於斜張橋通常為高度靜不定之結構, 鋼索預力量之分析結果並非唯一,因此如何決定適當的鋼索預力量,使斜張橋具有良好的結 構行為,以達到經濟的設計成果,實為斜張橋設計的核心問題所在。本文以最佳化設計理論 來求取斜張橋之鋼索預力量,使斜張橋在滿足設計者指定的力與變形之限制條件下,達成最 經濟的設計目標。文中除進行實例分析外,並就分析成果加以探討。本文所提出之斜張橋最 佳化設計理論,已實際試用於國內斜張橋工程之設計案例。 |
英文摘要 | The structural behavior of a cable-stayed bridge is strongly influenced by the cable forces. Since the cable-stayed bridge is a highly indeterminate structure, the solution to the cable forces is not unique. How to decide the proper cable forces in order to achieve a safe and economic design is the major task in the cable-stayed bridge design procedure. The purpose of this paper is to propose an optimization method to decide the cable forces. The most economic solution can be obtained under certain specified force and deformation constraints. One example is illustrated and discussed in this paper. The proposed optimization method has been implemented in the design of cable-stayed bridges in Taiwan. |
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