Improved system buckling analysis of effective lengths of girder and tower members in steel cable-stayed bridges Export

@article{citeulike:4293508, abstract = {This paper proposes an iterative system buckling analysis to determine reasonable effective lengths of girder and tower members in steel cable-stayed bridges. The modifications include the addition of a fictitious axial force to the geometric stiffness matrix with iterative eigenvalue computations. After verifying the proposed method by analyzing steel frames, we apply it to cable-stayed bridges with different center spans and girder depths. The effective lengths of members in these example bridges by the proposed method are compared with those found using conventional buckling analysis. The effects of the proposed method on slenderness ratios and compressive strengths are also discussed.}, author = {Yoo, Hoon and Choi, Dong-Ho}, citeulike-article-id = {4293508}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.compstruc.2009.01.010}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0045794909000303}, day = {07}, doi = {10.1016/j.compstruc.2009.01.010}, issn = {00457949}, journal = {Computers \& Structures}, keywords = {bridges, buckling, cable-stayed, girders}, month = {April}, posted-at = {2009-09-15 14:31:04}, priority = {2}, title = {Improved system buckling analysis of effective lengths of girder and tower members in steel cable-stayed bridges}, url = {http://dx.doi.org/10.1016/j.compstruc.2009.01.010}, year = {2009} }

TY - JOUR ID - citeulike:4293508 L3 - citeulike-article-id:4293508 N2 - This paper proposes an iterative system buckling analysis to determine reasonable effective lengths of girder and tower members in steel cable-stayed bridges. The modifications include the addition of a fictitious axial force to the geometric stiffness matrix with iterative eigenvalue computations. After verifying the proposed method by analyzing steel frames, we apply it to cable-stayed bridges with different center spans and girder depths. The effective lengths of members in these example bridges by the proposed method are compared with those found using conventional buckling analysis. The effects of the proposed method on slenderness ratios and compressive strengths are also discussed. JF - Computers & Structures SN - 00457949 TI - Improved system buckling analysis of effective lengths of girder and tower members in steel cable-stayed bridges KW - bridges KW - buckling KW - cable-stayed KW - girders AU - Yoo, Hoon AU - Choi, Dong-Ho PY - 2009/04/07/ UR - http://dx.doi.org/10.1016/j.compstruc.2009.01.010 ER -