지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Long-span cable-supported bridges are very flexible and show high nonlinearity not only under static loads but dynamic loads such as wind loads. Structural system also changes constantly during construction. In design steps, analysis is repeated to calculate stress, displacement, etc. Hence, special analysis system is necessary for more efficient and accurate analysis of long-span cable-supported bridges. An analysis system for long-span cable-supported bridges considering construction steps is developed in this study. Three dimensional frame element and elastic catenary cable element formulated based on geometric nonlinear theory is used to model cable-supported bridges. The developed computer program consists of three modules - geometric modeling module, construction stage analysis module and dynamic analysis module for free vibration analysis and forced vibration analysis subjected to several dynamic loads such as wind loads, seismic loads and moving vehicle loads. Post-processing system to visualize the results of analysis is also developed. To verify the justice and efficiency of developed system, the results of analysis is compared those by general purposed computer programs and those by experiment for the actual bridge.
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UCI(KEPA) : I410-ECN-0101-2018-053-003651058