懸索橋力學行為之研究

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题名:	懸索橋力學行為之研究
其它题名:	A Study on the Mechanical Behaviors of Suspension Bridges
作者:	高金盛;苟昌煥;廖述濤;蔡政霖;鄭婷婷
贡献者:	淡江大學營建系
关键词:	懸索橋;力學行為;地錨式;自錨式;數值模擬;Suspension bridge;Mechanical behavior;Earth-anchored;Self-anchored;Numerical modeling
日期:	2006-09
上传时间:	2013-04-08 13:47:06 (UTC+8)
出版者:	臺北市：中華民國結構工程學會
摘要:	懸索橋無論是採用地錨式或自錨式，體系都屬於由主纜和主梁構成的一種柔性懸索組合體系，它的跨越能力佳，受力分佈合理，最能發揮材料特性。本文針對地錨式與自錨式懸索橋的力學行為進行模式建立與分析比較。文內，除探討建立懸索橋成橋狀態力學行為反推法之分析模式外，並探討比較地錨式與自錨式懸索橋力學行為之差異，以及探討比較矢跨比、主梁拱度、混凝土收縮與潛變等因素對自錨式懸索橋力學行為之影響。 Suspension bridges, no matter earth-anchored or self-anchored, are structures of flexible suspension assemblages with main cables and girders. This kind of structures usually has excellent spanning capability and reasonable loading distribution and therefore the strength of materials can be fully utilized. In this paper the numerical models for simulating the mechanical behavior of earth-anchored and self-anchored suspension bridges were setup for analysis and comparison purposes. The application of the backward calculation method will be explored in this paper for studying the mechanical behavior of the bridges and also the differences in the mechanical behaviors of these two kinds of bridges will be discussed. In addition, the effects of span ratio, cambering of main girders, and shrinking and creeping of concrete on the mechanical behavior of the bridges will be studied.
關聯:	中華民國第八屆結構工程研討會論文集=Proceedings of the 8th National Conference on Structural Engineering，9頁
显示于类别:	[營建系] 會議論文

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