I贵安新区“美丽乡村”景区项目拱桥加固工程满堂支架施工方案目录一、工程概况.............................................................................................................................................. 1二、材料选用和质量要求..........................................................................................................................2三、计算依据.............................................................................................................................................. 3四、计算原则.............................................................................................................................................. 3五、支架设计情况......................................................................................................................................3六、满堂支架受力验算..............................................................................................................................6七、支架预压.............................................................................................................................................. 9八、钢管脚手架施工..................................................................................................................................9九、脚手架拆除方案:............................................................................................................................ 11十、搭设、使用、拆除安全技术措施....................................................................................................121一、工程概况1、设计概述现有贵阳花溪区车田村拱桥位于贵阳市花溪区车田村,为一上承式混凝土拱桥。该桥全长24.66m,桥面总宽7.8m,行车道宽4.2m,横向布置为1.8m(人行道)+4.2m(车行道)+1.8m(人行道),上部结构为净跨1×20m 的空腹式肋板拱桥,下部结构为重力式桥台。(如图)由于该桥缺乏施工过程中各类质量鉴定资料,缺乏各项分项分部工程交工质量资料,工程在未完工的情况下已停工10 余年。由于修建时间久远,现已找不到设计图纸,设计荷载等级不详,且经...