一、工程概况..................................................................................................................................1二、防护棚设置..............................................................................................................................11、现场调查情况..........................................................................................................................12、防护棚设置概况......................................................................................................................13、工期安排..................................................................................................................................14、施工区间及影响范围..............................................................................................................2三、防护棚施工方案......................................................................................................................21、准备工作..................................................................................................................................22、施工工艺流程..........................................................................................................................23、施工方法..................................................................................................................................3（1）、基础施工..........................................................................................................................3（2）、立柱安装..........................................................................................................................3（3）、纵梁安装..........................................................................................................................4（4）防护棚顶部结构施工...........................................................................................................5（5）、接触网改造施工内容.......................................................................................................5（6）、防护棚接地......................................................................................................................6四、防护棚拆除..............................................................................................................................6五、资源配置..................................................................................................................................6六、安全防护..................................................................................................................................7七、结构受力检算..........................................................................................................................71、横梁计算..................................................................................................................................82、纵梁计算..................................................................................................................................93、立柱抗风力检算..................................................................................................................104、立柱稳定性计算..................................................................................................................10八、附图、表....
