围护结构钻孔灌注桩施工方案
目 录
一、编制说明及依据 ...................................................................... 1 1.1编制说明 ........................................................................... 1 1.2编制依据 ........................................................................... 1 二、工程概况 ............................................................................ 2 2.1工程简介 ........................................................................... 2 2.2 施工分块 .......................................................................... 3 2.3 轨顶风道施工流程 .................................................................. 3 三、工程重点及难点分析与对策 ............................................................. 3 3.1 保证钢筋焊接质量 ................................................................... 3 3.1.1难点分析 ......................................................................... 3 3.1.2 施工对策 ......................................................................... 4 3.2作业空间狭小 ....................................................................... 4 3.2.1 难点分析 ......................................................................... 4 3.2.2 施工对策 ......................................................................... 4 四、施工总体部署 ........................................................................ 4 4.1施工安排 ........................................................................... 4 4.2 施工管理组织机构 ................................................................... 5 4.3 机械及人员配备 ..................................................................... 5 I【XX市轨道交通2号线一期工程土建四标段】 I
围护结构钻孔灌注桩施工方案
4.4 施工工期安排 ....................................................................... 7 五、施工方法 ............................................................................ 7 5.1施工工艺流程 ....................................................................... 7 5.2模板支架体系 ....................................................................... 7 5.3钢筋施工 .......................................................................... 11 5.4模板施工 .......................................................................... 11 5.5混凝土施工 ........................................................................ 12 5.5.1 砼施工技术措施 .................................................................. 12 5.5.2 施工缝缝面处理 .................................................................. 12 5.6预埋件及预埋留孔 .................................................................. 13 六、施工质量保证措施 ................................................................... 14 6.1 模板工程质量保证措施 .............................................................. 14 6.2 钢筋工程质量保证措施 .............................................................. 14 6.3 混凝土浇筑质量保证措施 ............................................................ 15 6.4 支架搭设质量保证措施 .............................................................. 16 七、安全文明施工措施 ................................................................... 17 八、成品保护措施 ....................................................................... 18 九、应急保证措施 ....................................................................... 18 十、附件 ............................................................................... 19 II【XX市轨道交通2号线一期工程土建四标段】 II
XX地铁车站轨顶风道专项施工方案
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