XXX桥梁墩身施工方案.doc
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1、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2
2、06.6.2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.
3、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3635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
4、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950m+40m,桥长490m;左侧辅道FLU02-FLU04联跨径布置为(30 m +50 m +30 m)+(430 m)+(30.055m+30.354m+30.
5、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(m)墩身钢筋(kg)12kg16k28k32k16k28k32k28k32k32kN1459.00A148.293901.30277.952230.3010686.11N1469.00A24
6、8.293901.30277.952230.3012654.83N1479.50A150.544035.85277.952230.3010944.82N1489.50A750.545018.89387.893035.6613097.67N1499.50A250.544035.85277.952230.3012913.54N15010.00A152.794170.40277.952230.3011203.53N15110.00A757.635198.09387.893035.6613356.38N15210.00A252.794170.40277.952230.3013172.25N15310.
7、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.
8、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
9、.3011720.95N16711.00A257.294424.62277.952230.3011720.95N16810.50A155.044290.07277.952230.3011462.24N16910.50A759.885377.28387.893035.6613615.09N17010.50A155.044290.07277.952230.3011462.24N17110.50A255.044290.07277.952230.3013430.96N17210.50A155.044290.07277.952230.3011462.24N17310.00A757.635198.0938
10、7.893035.6613356.38N17410.00A152.794170.40277.952230.3011203.53N17510.00A252.794170.40277.952230.3013172.25N17610.00A152.794170.40277.952230.3011203.53N17710.00A757.635198.09387.893035.6613356.38N1789.00B274.405404.08395.872294.9313352.84N1798.00B175.12333.179208.809728.305855.36N1808.50A750.884659.
11、60387.893035.6612580.25N1818.00A143.793647.09277.952230.3010168.69N1827.50A241.543527.42277.952230.3011878.70N1837.00A139.293392.87277.952230.309651.27S1479.00C150.227011.529969.933814.82S1489.50C259.048642.5710732.694907.01S1499.50C371.44783.549297.3813588.005829.97S15010.00C487.801041.3012777.3116
12、487.966166.57S15110.00A252.794170.40277.952230.3013172.25S15210.50A759.885377.28387.893035.6613615.09S15310.50A155.044290.07277.952230.3011462.24S15410.50A255.044290.07277.952230.3013430.96S15510.50A155.044290.07277.952230.3011462.24S15611.00A1071.676129.67435.012168.5715139.08S15710.50A455.044290.0
13、7277.952230.3013430.96S15810.50A355.044290.07277.952230.3011462.24S15910.50A859.885377.28387.893035.6613615.09S16010.00A352.794170.40277.952230.3011203.53S16110.50A455.044290.07277.952230.3013430.96S16210.50A355.044290.07277.952230.3011462.24S16310.50A859.885377.28387.893035.6613615.09S16411.00A357.
14、294424.62277.952230.3011720.95S16510.50A455.044290.07277.952230.3013430.96S16610.50A355.044290.07277.952230.3011462.24S16711.00A1071.676129.67435.012168.5715139.08S16811.00A157.294424.62277.952230.3011720.95S16911.00A257.294424.62277.952230.3011720.95S17011.00A157.294424.62277.952230.3011720.95S1711
15、1.00A762.135556.48387.893035.6613873.80S17210.50A155.044290.07277.952230.3011462.24S17310.50A255.044290.07277.952230.3013430.96S17410.50A155.044290.07277.952230.3011462.24S17510.50A759.885377.28387.893035.6613615.09S17610.00A152.794170.40277.952230.3011203.53S17710.00A252.794170.40277.952230.3013172
16、.25S17810.00A152.794170.40277.952230.3011203.53S17910.00A757.635198.09387.893035.6613356.38S1809.00D654.904077.22248.661751.2613404.21S1818.00B175.129208.809728.305855.36S1828.50A950.884659.60387.893035.6612580.25S1838.00A143.793647.09277.952230.3010168.69S1847.50A241.543527.42277.952230.3011878.70S
17、1857.00A139.293392.87277.952230.309651.27合计4386.26326610.3878524.91242235.82924917.53 四、施工组织4.1技术准备(1)审核图纸:在项目经理部总工程师的组织下对施工图进行熟悉、了解并进行审核,确保图纸准确无误。(2)试验准备:对施工用配合比进行验证,对到场的原材料进行检验,检测合格后方能使用。(3)测量准备:根据设计图纸提供的水准点和导线点进行施工前的测量准备工作,主要包括墩身中心线,墩身位置,高程的测量。(4)技术交底:施工前对施工班组进行施工、安全、环保、文明施工技术交底,技术交底形成记录,并报监理部备案。
18、针对墩身施工各工序,编制作业指导书并发放至施工班组。4.2机械及人员准备(1)施工机械准备表4-1 主要材料设备配置表序号名称规格单位数量备 注1汽车吊25T辆22混凝土搅拌运输车14m3台16混凝土运输浇筑设备3汽车泵46m台24软轴振捣器50台845钢筋切断机CJ140台4钢筋制安设备6钢筋弯曲机QJ40台47钢筋调直机CTJ44/14台28交流电焊机BX1500台69对焊机U-100台110平板车5T辆211工业吸尘器台2基础面清理12备用发电机150kw台213全站仪TS06-2套2测量设备14模板钢模板套415模板漆kg100016钢管架扣件式T15017扣件十字、一字、万向个240
19、00(2)人员准备表4-2 劳动力配置计划表序号工 种数 量(人)序号工 种数 量(人)1现场负责人67电工22技术员48模板工243司机109测量工34机械修理工210混凝土工245架子工2611安全员26钢筋工50合 计1534.3施工现场准备4.3.1施工营地办公生活营地位于施工场地南侧,租用临时办公用房,临建设施用地主要有钢筋加工厂和生活办公营区。钢筋加工厂占地为1000m2,地面采用C20混凝土20cm硬化,内设置钢筋加工棚、原材存放区、加工区、半成品存放区、成品存放区和工具房、仓库、厕所等。4.3.2施工用电施工用电主要考虑城市供电线路,施工前向供电部门申请,批准后在指定的接口接引
20、供电线路至施工用电点。施工用电拟定为一台变压器(500KVA),考虑施工区域内事故备用电源,另配备四台150KW柴油发电机供电。当供电线路发生电网停电事故时,通过开关切换供电系统,实现关键部位现场供电。在建工程照明、工棚照明,一般应使用安全电压供电。临时用电应分段验收,杜绝使用木制箱体,杜绝照明灯线使用二芯花线。为满足工程需要,结合现场实际情况,施工用电按JGJ46-2005有关规定,全部采用TN-S系统供电,一机一闸一漏一箱,三箱五线制。从每个总配电箱接出两个回路,每个回路各接4个二级配电箱,每个二级配电箱接出若干开关箱,每个开关箱控制一台施工机械或设备。4.3.3施工用水施工用水主要考虑在
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