【摘要】 本文采用曲线座标系来计算曲梁桥的地震反应。为了计入约束扭转的影响,演引了每节点八个自由度的曲梁单元及墩单元的刚度矩阵及三个方向地震质量矩阵,经过数例的计算比较,效果良好。更多还原

【Abstract】 In this paper the curved coordinate system has been applied for the seismic response analysis of curved girder bridges. To include the warping effect the curved beam elemeut with eight degrees of freedom is utilized. The element stiffness matrix, element mass matrix and seismic mass matrix in three directions for both girder and pier elements have been derived. The results of the computed example are close to those obtained from other methods.更多还原