National Science and Technology Support Program of China(No.2009BAG15B01);Key Programs for Science and Technology Development of Chinese Transportation Industry(No.2008-353-332-190);National Natural Science Foundation of China(No.50908211);Scientific Research Item from Ministry of Transport(No.200831822343)
Currently, for the analysis of complex bridge based on beam element, the calculation of cross-section torsional inertia moment is still an unresolved technical problem. Most current calculation of section torsional in...