黄陵至延安高速公路扩能工程试验段路基桥隧工程LJ-5标段桥子沟大桥李家洼沟大桥施工组织设计中铁港航局集团第三工程有限公司黄延高速公路LJ-5合同段项目经理部二〇一三年八月目录1、编制说明...........................................................................................................71.1编制范围...........................................................................................................71.3编制原则...........................................................................................................72、工程概况...........................................................................................................72.1工程地质概况...................................................................................................82.2设计概况...........................................................................................................82.2.1桥子沟大桥...............................................................................................82.2.2李家洼沟大桥...........................................................................................93施工总体方案....................................................................................................113.1总体目标.........................................................................................................113.1.2质量目标.................................................................................................113.1.3安全目标.................................................................................................113.1.4文明施工目标.........................................................................................113.1.5环保、水保、节能目标..........................................................................113.1.6工期目标.................................................................................................113.2施工组织........................................................................................................123.2.1施工组织体系.........................................................................................123.2.2施工队伍配备及任务划分......................................................................123.2.3劳动力需求.............................................................................................133.2.4主要机械设备配备..................................................................................134施工方案............................................................................................................144.1主墩施工.........................................................................................................144.20号块施工.............................................................................................144.2.10号块结构尺寸..................................................................................144.2.2施工工艺流程.........................................................................................164.2.30号块托架方案................................................................................17第2页共66页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共66页4.2.3.1墩顶托架.........................................................................................174.2.3.2主墩主托架设计.........................................................
