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1、广深沿江高速公路（深圳段）项目路基桥涵工程第4合同段南头村特大桥方形墩柱技术交底方案施工单位：中交第二航务工程局有限公司编制日期：二零一零年六月广深沿江高速公路（深圳段）项目路基桥涵工程第4合同段南头村特大桥方形墩柱技术交底方案编 制： 审 核： 施工单位：中交第二航务工程局有限公司编制日期：二零一零年六月目 录1工程概况41.1、工程简介41.2、编制依据51.3、施工条件：51.4、墩柱高度统计表：51.5、墩柱参数及工程数量62墩柱施工工艺132.1、施工工艺132.2、工艺流程143墩柱施工方法153.1、施工准备153.2、测量放线153.3、施工平台153.4、 钢筋施工173.5
2、、模板工程213.6、预埋件埋设273.7、混凝土施工274质量保证措施315安全保证措施33南头村特大桥墩柱施工方案1工程概况 1.1、工程简介广深沿江高速公路（深圳段）南头村特大桥位于深圳市南山区月亮湾大道西侧约1.5公里处。桥位里程K85+648.000至K87+045.000，桥长1397米；全桥共设141号左右幅各41个桥墩，桥面单幅宽17.4米。桥梁基础为钻孔灌注桩基础，设计桩径为2.0米、1.6米；设计钻孔灌注桩多为嵌岩桩，部分桥墩有少量摩擦桩。桥梁下构：采用桩顶哑铃式承台上接柱式桥墩，桥墩顶部设系梁连结；桥梁墩柱横桥向布置为多柱式（2墩柱、3墩柱），柱型为单曲、双曲花瓶式方墩（
3、四角为圆弧倒角）；单根墩柱上端变弧段高度为4米、下部方柱直线段高度不一；全桥柱高从7.463m至17.680m不等（见墩柱型式示意图）。桥梁上构采用28m至55m不等跨预应力混凝土连续箱梁，全桥桥面共设十联且在每联两端桥墩处左右幅分别设置D-160型伸缩缝。墩柱示意图1.2、 编制依据(1)广深沿江高速公路（深圳段）项目土建工程专用施工技术规程(2)广深沿江高速公路深圳段施工图设计修编(3)广深沿江高速公路深圳段项目质量管理规程(4)广深沿江高速公路深圳段项目安全文明施工管理规程(5)公路工程技术标准JTG B01-2003(6)公路桥涵施工技术规范JTJ041-2000(7)公路工程水泥及水
4、泥混凝土试验规程JTG E30-2005(8)公路工程集料试验规程(JTG E42-2005)(9)公路工程金属试验规程（JTJ055-83） (10)公路工程质量检验评定标准（土建）JTG F80/1-2004(11)公路工程施工安全技术规范JTJ076-95(12)公路工程施工监理规范JTG G10-2006(13)工程测量规范 GB50026-2007 1.3、施工条件：桥址范围内第四系地层，自上而下依次人工填土（石），全新统海积淤泥层，海陆交互相冲积粗砂中更新统残积砾质粘土及燕山期粗粒花岗岩（包括四个风化层），本场地地下水对砼具有弱腐蚀性。本区段属南亚热带海洋性气候，长夏短冬，夏无酷暑
5、，冬无严寒，阳光充足，雨量丰沛。暴雨、雷暴、台风等灾害性天气常有发生；冬季雨水稀少，会出现寒潮、低温霜冻灾害性天气。1.4、墩柱高度统计表：墩柱高度分布统计墩柱高度分布统计类 型7米h12米12米h13米13米h14米14米h15米15米h16米16米h18米合计普通方柱9个2个2个13个单曲方柱41个20个16个10个6个24个117个双曲方柱17个12个4个2个4个8个47个合计58个41个20个12个12个34个177个注：月亮湾E、F匝道墩柱未作统计。1.5、墩柱参数及工程数量墩柱主要工程数量表序号墩号桩号顶标高 (米)底标高(米)尺寸(米)渐变段高(米)钢筋 (千克)砼(方)长宽高1
6、E0#-1EK0+106.46313.7663.51.31.310.2663501518.32E0#-2EK0+106.46313.6863.51.31.310.1863501518.33E1#EK0+138.46312.0353.53.31.88.535010422.949.94E2#EK0+193.46311.0815.023.31.86.058010422.935.45E3#-1EK0+255.46311.7154.861.31.36.45133684.212.66E3#-2EK0+255.46311.6354.861.31.36.37133684.212.57E4#EK0+261.46
7、310.0144.6881.41.45.32603467.212.28E5#EK0+297.4639.2044.5851.61.64.61903578.114.19E6#EK0+333.4637.9934.6091.61.63.38403015.211.110E7#EK0+369.4636.3834.7581.41.41.62501889.65.411F1#FK0+145.7326.54.6141.41.41.88601946.45.612F2#FK0+181.7328.1844.5511.61.63.63303105.311.613F3#FK0+1217.7329.4694.6151.61.
8、64.85403693.914.714F4#FK0+253.73210.3534.8071.41.45.54603613.312.815F5#-1FK0+289.73212.1184.861.31.36.85533848.513.316F5#-2FK0+289.73212.0384.861.31.36.85533848.513.217F6#FK0+321.73211.3315.023.31.86.30809284.236.918F7#FK0+376.73212.063.53.31.88.56011856.750.119F8#-1FK0+408.73213.7663.51.31.310.2663
9、5015.518.320F8#-2FK0+408.73213.6863.51.31.310.18635015.518.3211-1K85+67621.0443.51.61.617.5444986246.6221-2K85+67621.183.51.61.617.684993847231-3K85+67621.183.51.61.617.684993847241-4K85+67621.0443.51.61.617.5444986246.6252-1K85+70421.0223.51.61.617.5224985446.5262-2K85+70421.1583.51.61.617.65849930
10、46.9272-3K85+70421.1583.51.61.617.6584993046.9282-4K85+70421.0223.51.61.617.5224985446.5293-1K85+73620.9863.51.61.617.4864984046.4303-2K85+73621.1223.51.61.617.6224989246.8313-3K85+73621.1223.51.61.617.6224989246.8323-4K85+73620.9863.51.61.617.4864984046.4334-1K85+76420.9433.51.61.617.4434984847.134
11、4-2K85+76421.0793.51.61.617.5794990047.5354-3K85+76421.0793.51.61.617.5794990047.5364-4K85+76420.9433.51.61.617.4334984847.1375-1K85+79420.8873.51.61.617.3874977746.2385-2K85+79421.0233.51.61.617.5234985446.5395-3K85+79421.0233.51.61.617.5234985446.5405-4K85+79420.8873.51.61.617.3874977746.2416-1K85
12、+82420.8193.51.61.617.3194975146426-2K85+82420.9553.51.61.617.4554982846.3436-3K85+82420.9553.51.61.617.4554982846.3446-4K85+82420.8193.51.61.617.3194975146457-1K85+85420.743.51.61.617.244974546.6467-2K85+85420.8763.51.61.617.3764979847477-3K85+85420.8763.51.61.617.3764979847487-4K85+85420.743.51.61
13、.617.244974546.6498-1K85+88420.653.51.61.617.154966245.6508-2K85+88420.7863.51.61.617.2864973846518-3K85+88920.7863.51.61.617.2864973245.9528-4K85+88920.653.51.61.617.154965645.5539-1K85+91420.623.53217.12017718101.1549-2K85+92420.5843.53217.084017696100.95510-1K85+94920.4884.5373215.951017574100.35
14、610-2K85+95920.4474.53215.947017549100.15711-1K85+98420.2684.71.61.615.5684886041.55811-2K85+98420.4044.71.61.615.7044893641.95911-3K85+98920.3814.71.61.615.6814892741.86011-4K85+98920.2454.71.61.615.5454885141.56112-1K86+01920.1054.81.61.615.3054875841.76212-2K86+01920.2414.81.61.615.44148835426312
15、-3K86+01920.2414.81.61.615.44148835426412-4K86+01920.1054.81.61.615.3054875841.76513-1K86+04719.96351.61.614.96348555406613-2K86+04720.09951.61.615.0994863140.36713-3K86+04720.09951.61.615.0994863140.36813-4K86+04719.96351.61.614.96348555406914-1K86+07519.8115.11.61.614.7114843339.37014-2K86+07519.9
16、475.11.61.614.8474851039.77114-3K86+07519.9475.11.61.614.8474851039.77214-4K86+07519.8115.11.61.614.7114843339.37315-1K86+10719.6265.31.61.614.3264823638.37415-2K86+10719.7625.31.61.614.4624831338.77515-3K86+10719.7625.31.61.614.4624831338.77615-4K86+10719.6265.31.61.614.3264823638.37716-1K86+13519.
17、4545.51.61.613.9544806938.27816-2K86+13519.595.51.61.614.094814638.67916-3K86+13519.595.51.61.614.094814638.68016-4K86+13519.4545.51.61.613.9544806938.28117-1K86+17019.2255.61.61.613.6254787136.58217-2K86+17019.3615.61.61.613.7614794736.98317-3K86+17019.3615.61.61.613.7614794736.98417-4K86+17019.225
18、5.61.61.613.6254787136.58518-1K86+20518.9865.71.61.613.2864771635.78618-2K86+20519.1225.71.61.613.4224776836.18718-3K86+20519.1225.71.61.613.4224776836.18818-4K86+20518.9865.71.61.613.2864771635.78919-1K86+24018.7475.61.61.613.1474763835.39019-2K86+24018.8835.61.61.613.2834771435.79119-3K86+24018.88
19、35.61.61.613.2834771435.79219-4K86+24018.7475.61.61.613.1474763835.39320-1K86+27518.5085.51.61.613.0084756034.99420-2K86+27518.6445.51.61.613.1444763735.39520-3K86+27518.6445.51.61.613.1444763735.39620-4K86+27518.5085.51.61.613.0084756034.99721-1K86+31017.7595.31.31.312.65936892269821-2K86+31017.856
20、5.31.31.312.75636922269921-3K86+31018.0695.31.61.612.9694779936.110021-4K86+31018.2055.31.61.613.1054787536.510121-5K86+31018.2055.31.61.613.1054787536.510221-6K86+31018.0695.31.61.612.9694779936.110321-7K86+31017.835.31.31.312.73369142610421-8K86+31017.7315.31.31.312.6313686425.810522-1K86+34617.58
21、15.11.61.612.4814730933.610622-2K86+34617.775.11.61.612.670709232.510722-3K86+34617.9595.11.61.612.8594750334.610822-4K86+34617.9595.11.61.612.8594750334.610922-5K86+34617.7795.11.61.612.6790709232.511022-6K86+34617.5985.11.61.612.4984731533.611123-1K86+38317.3614.91.61.612.4614730133.511223-2K86+38
22、317.5344.91.61.612.6340705432.411323-3K86+38317.7064.91.61.612.8064745934.411423-4K86+38317.7064.91.61.612.8064745934.411523-5K86+38317.5394.91.61.612.6390705632.411623-6K86+38317.3734.91.61.612.4734730633.611724-1K86+42017.1414.71.61.612.4414729333.511824-2K86+42017.2974.71.61.612.5970704032.211924
23、-3K86+42017.4534.71.61.612.7534743834.312024-4K86+42017.4534.71.61.612.7534743834.312124-5K86+42017.2994.71.61.612.5990704032.312224-6K86+42017.1444.71.61.612.4444729433.512325-1K86+45616.9274.51.61.612.4274720834.312425-2K86+45617.0674.51.61.612.5674738334.712525-3K86+45617.2084.51.61.612.708474453
24、5.112625-4K86+45617.2084.51.61.612.7084744535.112725-5K86+45617.0634.51.61.612.5634738234.612825-6K86+45616.9194.51.61.612.4194720534.312926#-1K86+49116.7184.41.61.612.318421543.998.913026#-2K86+49116.8434.41.61.612.443013126#-3K86+49116.9684.41.61.612.568413226#-4K86+49116.6984.41.61.612.298421511.
25、198.913326#-5K86+49116.8334.41.61.612.433013426#-6K86+49116.9684.41.61.612.568413527#-1K86+53116.484.31.61.612.18414396.366.213627#-2K86+53116.9654.31.61.612.395413727#-3K86+53116.4224.31.61.612.142421272.997.513827#-4K86+53116.5694.31.61.612.269013927#-5K86+53116.6954.31.61.612.395414028#-1K86+5661
26、6.2724.51.61.611.772414022.165.714128#-2K86+56616.4564.51.61.611.956414228#-3K86+56616.2164.51.61.611.71642100598.314328#-4K86+56616.3364.51.61.611.836414428#-5K86+56616.4564.51.61.611.956414529#-1K86+60216.0584.61.61.611.45841364762.414629#-2K86+60216.214.61.61.611.61414729#-3K86+60215.984.61.61.61
27、1.38420100.591.614829#-4K86+60216.0954.61.61.611.495414929#-5K86+60216.214.61.61.611.61415030#-1K86+63815.8284.81.61.611.028413189.360.115130#-2K86+63815.9644.81.61.611.164415230#-3K86+63815.7434.81.61.610.943413156.459.915330#-4K86+63815.9644.81.61.611.164415431#-1K86+67415.5834.91.61.610.683412851
28、58.315531#-2K86+67415.7194.91.61.610.819415631#-3K86+67415.5054.91.61.610.60541279758.115731#-4K86+67415.7194.91.61.610.819415832#-1K86+71015.3374.91.61.610.437412589.357.115932#-2K86+71015.4734.91.61.610.573416032#-3K86+71015.2664.91.61.610.366412561.956.916132#-4K86+71015.4734.91.61.610.573416233#
29、-1K86+74615.0914.81.61.610.291412501.15816333#-2K86+74615.2274.81.61.610.427416433#-3K86+74615.0384.81.61.610.238412456.857.916533#-4K86+74615.2274.81.61.610.427416634#-1K86+78214.8544.61.61.610.245412417.256.116734#-2K86+78214.9814.61.61.610.381416834#-3K86+78214.8174.61.61.610.217412382.45616934#-
30、4K86+78214.9814.61.61.610.381417035#-1K86+81814.5994.61.61.69.999412155.454.817135#-2K86+81814.7354.61.61.610.135417235#-3K86+81814.5924.61.61.69.992412152.754.817335#-4K86+81814.7354.61.61.610.135417436#-1K86+85414.3574.61.61.69.757411920.653.617536#-2K86+85414.4934.61.61.69.893417636#-3K86+85414.3
31、574.61.61.69.757411920.653.617736#-4K86+85414.4934.61.61.69.893417837#-1K86+89014.1114.71.61.69.411411557.851.817937#-2K86+89014.2474.71.61.69.547418037#-3K86+89014.1114.71.61.69.411411557.851.818137#-4K86+89014.2474.71.61.69.547418238#-1K86+92614.2664.81.51.59.002419757.593.318338#-2K86+92614.4024.
32、81.51.59.138418438#-3K86+92614.2664.81.51.59.002418538#-4K86+92614.4024.81.51.59.138418639#-1K86+95812.4835.02227.46466835.2275.118739#-2K86+95812.6195.02227.596418839#-3K86+95812.4835.02227.46418939#-4K86+95812.6195.02227.596419040#-1K87+01312.313.5228.81419140#-2K87+01312.4463.5228.946419240#-3K87
33、+01312.313.5228.81419340#-4K87+01312.4463.5228.946419441#-1K87+04513.893.51.51.510.39420417.4104.219541#-2K87+04514.0263.51.51.510.526419641#-3K87+04513.893.51.51.510.39419741#-4K87+04514.0263.51.51.510.5264合计15013056920.12墩柱施工工艺2.1、施工工艺本工区墩柱施工时采用无脚手架施工的施工方法，施工平台设置在墩柱模板上。为确保墩柱钢筋笼质量，采用钢筋笼后场整体预制，前场分节吊装、模板分节吊装的施工工艺，由于内部箍筋分布较密集，振捣困难，墩柱高度从7.463m至17.680m不等，因此低于14m的墩柱分二次浇注高于14m的分三次完成；其中低于14m的第一节68米，第二节完成剩余直身段和变弧段；高于14m的第一节68米，第二节完成剩余直身段，第三节变弧段（要求保证柱顶高程满足设计要求，在浇筑变弧段前预埋系梁钢筋）。2.2、工艺流程墩柱工艺流程如下：浇筑墩柱混凝土下部墩柱模板安装墩柱钢筋检查验收模板检查验收拆模、养护测量放样承台施工模板设计及加工制作墩柱钢筋预埋试件试压混凝土配合比设计混凝土拌制运输制作混凝土试件墩柱钢筋吊装墩柱二
