XXX桥梁墩身施工方案1.doc

目 录一、编制依据1二、适用范围1三、施工概况1四、施工组织44.1技术准备44.2机械及人员准备44.3施工现场准备64.3.1施工营地64.3.2施工用水64.3.3 施工用电64.3.4钢筋加工厂74.4材料准备7五、施工计划7六. 施工方案86.1 施工工艺流程86.2 施工操作要点96.3 测量放线及施工准备96.4 搭设墩身施工支架和工作平台106.4.1脚手架搭设方案106.4.2 施工平台搭设12（1）钢管搭设爬梯12（2）装配式136.4.3脚手架稳固保护措施146.4.5搭设工艺146.4.6脚手架验收166.5墩身钢筋施工176.6 模板施工206.6.1模板试拼和整修206.6.2模板漆涂刷和清理206.6.3模板安装216.6.4模板拆除226.6.5模板维护保养236.7混凝土施工236.7.1清水混凝土配合比及原材料236.7.2混凝土拌合及运输246.7.3混凝土浇筑246.7.4桥墩混凝土浇筑注意事项：256.7.5墩身混凝土养护及保护措施266.7.6成品保护措施266.7.7冬季施工措施266.7.8夜间施工措施276.7.9雨期施工保证措施296.7.10支座下垫块施工296.7.11大体积砼施工注意事项29七. 质量保证措施317.1质量组织机构317.2质量保证措施31八. 安全措施338.1 安全保证机构338.2 安全保证措施34九.文明施工及环境保护措施359.1 环保、文明施工组织机构359.2 环境保护、文明施工措施36墩身施工方案一、编制依据1、公路桥涵施工技术规范JTJ/TF50-20112、城镇道路工程施工与质量验收规范CJJ1-20083、城镇桥梁工程施工与质量验收规范CJJ2-20084、建筑工程冬季施工规范JGJ104-975、大体积混凝土施工规范GB 50496-20096、清水混凝土施工指导手册（郑州市市政建设中心）7、清水混凝土应用技术规程（JTJ169-2009）8、混凝土结构工程施工质量验收规范（GB50204-2002）9、普通混凝土配合比设计规程（JGJ55-2000）10、公路工程施工工艺标准（桥涵）11、XXX桥梁工程BT项目第二项目经理部施工组织设计12、本工程特点以及以往同类施工经验。13、XXX桥梁工程其中施工图设计二、适用范围本施工方案适用于XXX桥梁工程其中YU02联及FLU02-FLU04联范围内所有墩身施工。三、施工概况XXX桥梁工程主桥采用双幅形式，分东西两向，单幅桥梁宽度 12.75m，两桥中心间距12.75米。左侧辅道桥面宽23.5m，桥中心线距主桥间距18.75m，YU02联跨径布置为9×50m+40m，桥长490m；左侧辅道FLU02-FLU04联跨径布置为（30 m +50 m +30 m）+（4×30 m）+（30.055m+30.354m+30.675m），桥长321.084m，桥梁基础采用钻孔灌注桩基础，主桥下部结构桥墩采用花瓶式空心墩，共有墩身20个，2种类型，高度15.531.5m。左侧辅道桥采用门架墩结构形式的现浇钢筋混凝土墩身，墩身高度5.5-17m。墩身混凝土强度标号为C40。工程量为HRB335钢筋 1572.29t， C40清水混凝土 4386.26m3，各墩身结构形式具体见下表：45-55联墩身统计表墩号墩高（m)桥墩类型墩身砼（m³）墩身钢筋（kg）12kg16k28k32k16k28k32k28k32k32kN1459.00A148.293901.30277.952230.3010686.11N1469.00A248.293901.30277.952230.3012654.83N1479.50A150.544035.85277.952230.3010944.82N1489.50A750.545018.89387.893035.6613097.67N1499.50A250.544035.85277.952230.3012913.54N15010.00A152.794170.40277.952230.3011203.53N15110.00A757.635198.09387.893035.6613356.38N15210.00A252.794170.40277.952230.3013172.25N15310.50A155.044290.07277.952230.3011462.24N15410.50A1069.065980.91435.012168.5714861.44N15510.00A452.794170.40277.952230.3013172.25N15610.50A355.044290.07277.952230.3011462.24N15710.50A859.885377.28387.893035.6613615.09N15810.00A352.794170.40277.952230.3011203.53N15910.50A455.044290.07277.952230.3013430.96N16010.50A355.044290.07277.952230.3011462.24N16110.50A859.885377.28387.893035.6613615.09N16210.50A355.044290.07277.952230.3011462.24N16310.50A455.044290.07277.952230.3013430.96N16410.50A355.044290.07277.952230.3011462.24N16511.00A1071.676129.67435.012168.5715139.08N16611.00A157.294424.62277.952230.3011720.95N16711.00A257.294424.62277.952230.3011720.95N16810.50A155.044290.07277.952230.3011462.24N16910.50A759.885377.28387.893035.6613615.09N17010.50A155.044290.07277.952230.3011462.24N17110.50A255.044290.07277.952230.3013430.96N17210.50A155.044290.07277.952230.3011462.24N17310.00A757.635198.09387.893035.6613356.38N17410.00A152.794170.40277.952230.3011203.53N17510.00A252.794170.40277.952230.3013172.25N17610.00A152.794170.40277.952230.3011203.53N17710.00A757.635198.09387.893035.6613356.38N1789.00B274.405404.08395.872294.9313352.84N1798.00B175.12333.179208.809728.305855.36N1808.50A750.884659.60387.893035.6612580.25N1818.00A143.793647.09277.952230.3010168.69N1827.50A241.543527.42277.952230.3011878.70N1837.00A139.293392.87277.952230.309651.27S1479.00C150.227011.529969.933814.82S1489.50C259.048642.5710732.694907.01S1499.50C371.44783.549297.3813588.005829.97S15010.00C487.801041.3012777.3116487.966166.57S15110.00A252.794170.40277.952230.3013172.25S15210.50A759.885377.28387.893035.6613615.09S15310.50A155.044290.07277.952230.3011462.24S15410.50A255.044290.07277.952230.3013430.96S15510.50A155.044290.07277.952230.3011462.24S15611.00A1071.676129.67435.012168.5715139.08S15710.50A455.044290.07277.952230.3013430.96S15810.50A355.044290.07277.952230.3011462.24S15910.50A859.885377.28387.893035.6613615.09S16010.00A352.794170.40277.952230.3011203.53S16110.50A455.044290.07277.952230.