Analysis of the dynamic response about t-beam bridge with multi-ribbed slabs in consideration of shear lag effect
GAN Ya-nan ，gou yong, ZHOU Guang-chun
1. School of Civil Engineering and Architecture, Yancheng Institute of Technology, Yancheng 224051, China; 2. School of CivilEngineering and Architecture, Harbin Institute of Technology, Harbin 150090,China
Abstract：proposes an approach of analyzing the dynamic response of T-beam with multi-ribbed slabs generally used in engineering, in consideration of the shear deformation, shear lag effect, self-equilibrium condition for shear lag warping stress, and many different longitudinal displacement difference functions to accurately reflect the amplitude of change of shear lag in the T-beam with multi-ribbed slabs. The differential equations and the corresponding natural boundary conditions of the T-beam with multi-ribbed slabs are induced based on the minimum potential principle, and closed-form solutions of generalized dynamic displacements are obtained. According to the fundamental differential equations and the corresponding natural boundary conditions, the dynamic characteristics of T-beam with multi-ribbed slabs are discussed. The calculation examples compare the finite solid element solutions with the analytical solutions and verify the validity of the proposed approach, the formulas obtained in this study develop the shear lag theory.
甘亚南;荀勇; 周广春 . 多肋T形梁桥动力反应的分析[J]. , 2012, 31(9): 166-171.
GAN Ya-nan;gou yong;ZHOU Guang-chun . Analysis of the dynamic response about t-beam bridge with multi-ribbed slabs in consideration of shear lag effect. , 2012, 31(9): 166-171.
2012, Vol. 31 
