中铁二局第一工程有限公司二广高速公路21标桥梁下部构造施工方案21标桥梁下部构造施工方案目录1编制依据及工程概况······················································································21.1编织依据··································································································21.2工程概况··································································································21.3主要工程数量····························································································21.4工期目标··································································································22劳动力、机械设备及材料计划·········································································22.1劳动力计划·······························································································22.2机械设备配置····························································································32.3材料季度供应计划······················································································33施工方案·····································································································33.1系梁工程··································································································33.2墩柱工程··································································································43.3墩柱帽梁工程····························································································63.4桥台施工··································································································73.4.1承台施工································································································73.4.2桥台台身施工··························································································83.4.3桥台台帽施...
