Studies on Dynamic Characteristics of a Typical Model of Asymmetric Continuous Rigid-Frame Bridge under Different Ratio of Middle Span to Side Span
Due to the limit of complicated landform in western China, a typical continuous rigid-frame bridge could be easy to be built, especially for asymmetric spans.Based on the engineering background of Sinan Yantou river Bridge in Guizhou province, dynamic characteristics of the type of bridge are studied in this paper.Firstly, by using Midas/Civil, 6 different models are established and their modal analysis could be done while it is considered that the beam of left T-shaped is gradually decreasing under the same height of piers.Then, all seismic responses are calculated by using response spectra method.Finally, the computational results are discussed and some key features are summarized.Our investigation will have some valuable references for seismic analysis of the same style bridge.
Asymmetric continuous rigid-frame bridge Ratio of middle span to side span Seismic response Dynamic characteristics
Tian Liang Jun Dong Xuejian XIANG
School of Civil Engineering and Traffic Engineering,Beijing University of Civil Engineering and Arch Research Institute of Highway,Ministry of Communication,Beijing,100088,China
国际会议
上海
英文
1543-1546
2012-10-19（万方平台首次上网日期，不代表论文的发表时间）