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The Rise Ratio of the 3 Continuous Span Length Steel Arch Bridges Considering Dynamic Stability  

Kang, Sung-Hoo (동신대학교 토목공학과)
Park, Sun-Joon (동신대학교 토목공학과)
Choi, Myeong-Ki (성화대학 토목환경과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.8, no.4, 2004 , pp. 175-183 More about this Journal
Abstract
The most important element is a rise ratio when regarding beauty and economics of arch bridges. Only the effect of dead load has been considered to decide the rise ratio. In this study, when going over the rise ratio of arch bridges, examined the problems, that the determination of the rise ratio by the dead load has, by adding the factor of a determination of optimum rise ratio, which is not only the effect of the dead load that has been currently considered but also the problem with respect to dynamic stability that is now taken seriously. Synthetically, when deciding rise ratio that is investigated in basic step of design, it is necessary to consider the evaluation dynamic stability.
Keywords
Arch Bridge; Rise Ratio; Dynamic Stability; Earthquake Resistant Dynamic Stability Division Ratio of Top and Bottom;
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