서지주요정보
사장교 케이블의 최적화에 관한 연구 = The cable optimization of cable-stayed bridges
서명 / 저자 사장교 케이블의 최적화에 관한 연구 = The cable optimization of cable-stayed bridges / 이태열.
저자명 이태열 ; Lee, Tae-Yeol
발행사항 [대전 : 한국과학기술원, 1997].
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소장정보

등록번호

8007495

소장위치/청구기호

학술문화관(문화관) 보존서고

MCE 97010

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도서상태

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초록정보

Cable-stayed bridges can be designed economically by cable prestressing. It is a most important and difficult problem to determine the optimum cable areas and prestressing forces in the design of cable-stayed bridges. In this study, a computer program is presented which can analyze a plane cable-stayed bridge structure considering two nonlinear effects. The first one is the axial force-deformation relationship for the inclined cable due to the sag caused by its own dead weight and the other effect is the nonlinear axial and bending force-deformation relationship for the bending members, which can occur due to the interaction of large displacements of structure under normal design loads. Two optimization techniques are presented to determine the cable areas and prestressing forces of the cable-stayed bridges using the nonlinear analysis program developed in this study. The first optimization method presented in this paper is based on an evolutionary procedure, in which the area of high stressed cable is increased step-by-step until an optimal area of the cable is obtained. The other optimization method is based on the strain energy criterion, in which the BFGS(Broyden-Fletcher-Goldfarb-Shanno) algorithm is used to minimize the objective function. These proposed methods are applied to some cable-stayed bridges. The results show that the proposed methods are very useful to determine the optimum cable areas and prestressing forces.

서지기타정보

서지기타정보
청구기호 {MCE 97010
형태사항 vi, 57 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Tae-Yeol Lee
지도교수의 한글표기 : 최창근
지도교수의 영문표기 : Chang-Koon Choi
학위논문 학위논문(석사) - 한국과학기술원 : 토목공학과,
서지주기 참고문헌 : p. 56-57
주제 Cable-stayed bridge
Optimization
Prestressing
Cable area
BFGS
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