空间梁拱组合体系桥梁的荷载横向分布计算

Calculation of Load Lateral Distribution of Spatial Girder and Arch Combination Bridge

运用杆系有限元程序结合弹簧刚度矩阵，提出了空间梁拱组合体系桥梁在横向不等 跨且横梁刚度沿跨度变化的荷载横向分布计算的弹性支承连续梁法，并结合一座实际桥梁的 试验研究验证了这种方法的可靠性．

For calculating load lateral distribution of special girder and arch c ombination bridge with unequal span and varying stiffness transverse beam,elasti cally supported continuous beam method is pre sented by using spring stiffness matrix in member structure finite el ement method. The test results of a practical bridge show reliability of the proposed method.