design scismic coefficient

Based on the latest research abroad, the error caused by using gross section stiffness in force-based seismic design for bridge structures is analyzed in this paper.

在结合国外最新研究成果的基础上 ,对桥梁结构基于强度抗震设计中采用毛截面刚度所引起的误差进行了分析 ,并建议了一种基于截面弹性刚度合理取值的强度抗震设计方法 。