贝雷梁钢栈桥的力学计算.pdf

目 录 栈桥分析····································································································1 1、工程概况······························································································1 2、定义材料和截面··················································································3 定义钢材的材料特性·················································································3 定义截面····································································································4 3、建模······································································································6 建立第一片贝雷片····················································································6 建立其余的贝雷片····················································································9 建立支撑架······························································································10 建立分配梁······························································································13 4、添加边界····························································································16 添加弹性连接··························································································16 添加一般连接··························································································17 释放梁端约束··························································································20 5、输入荷载····························································································21 添加荷载工况··························································································21 6、输入移动荷载分析数据·····································································22 定义横向联系梁组··················································································22 定义移动荷载分析数据···········································································23 输入车辆荷载·································································