目录1桥梁概况..........................................................................................................................................................-1-1.1主要设计指标............................................................................................................................................-1-1.2相关计算参数............................................................................................................................................-1-1.3相关设计依据............................................................................................................................................-1-1.4一般构造及钢束布置................................................................................................................................-1-1.4.1一般构造........................................................................................................................................-1-1.4.2钢束布置........................................................................................................................................-2-1.5施工过程....................................................................................................................................................-4-2建模分析...........................................................................................................................................................-6-2.1模型概述....................................................................................................................................................-6-2.2建模要点....................................................................................................................................................-6-2.2.1定义材料与截面............................................................................................................................-6-2.2.2定义节点、单元及边界条件........................................................................................................-8-2.2.3定义时间依存材料特性................................................................................................................-9-2.2.4定义静力荷载工况........................................................................................................................-9-2.2.5定义预应力荷载..........................................................................................................................-10-2.2.6定义移动荷载..............................................................................................................................-12-2.2.7定义支座沉降..............................................................................................................................-13-2.2.8定义施工阶段..............................................................................................................................-14-2.2.9定义结构质量..............................................................................................................................-14-2.2.10定义梁的有效宽度....................................................................................................................-14-2.3分析控制定义............................................................................................................................
