大桥主桥上部构造拆除安全专项施工方案word（130页）VIP免费

攀 枝 花 市 旧 密 地 大 桥 拆 除 工 程（L=181m 钢桁架拱桥）主桥上部结构拆除安全专项施工方案 编 制 人： 审 批 人： 批 准 人： ***公 路 建 设 有 限 公 司2019 年 8 月修改目 录1 工程概况1.1 桥梁结构概述········································································11.2 主要病害·············································································4 1.3 拆除施工节段划分及缆索吊装重量确定·······································71.4 施工环境条件········································································71.5 主桥需拆除钢结构主要工程数量················································81.6 施工总体布置········································································81.7 施工要求············································································141.8 技术保证条件······································································142 编制依据2.1 编制范围及主要编制内容·······················································17 2.2 编制依据············································································17 3 施工计划3.1 施工进度计划······································································19 3.2 材料与设备配置计划·················...