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苏溪大桥施工组织设计 [复制链接]

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苏溪大桥实施性施工组织设计jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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一、编制依据及原则jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
1.jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
编制依据jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑴福厦铁路工程招投标文件;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑵工程项目的施工图纸;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑶《客运专线铁路桥涵工程施工质量验收暂行标准》、《铁路混凝土工程施工质量验收补充标准》(铁建设[2005]160号);jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑷我单位对施工现场和周围环境的实地勘察、调查所掌握的情况;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑸本工程要求的质量标准、工期及我单位的创优规划;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑹我单位的实际施工水平、施工能力及机械设备。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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2.jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
编制原则jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑴科学安排施工、突出重点,兼顾一般,安排好控制工程的工期,确保工程总工期的实现;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑵严格按照施工规范和设计要求精心施工,确保工程质量;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑶确保工程施工和防洪渡汛的安全;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑷优化施工组织方案,确保工、料、机的合理配置;jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑸合理布置施工现场,确保少占山林和耕地,保护水源。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑹尽量减少施工对当地群众正常生活生产的影响,文明施工,保护环境。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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二、工程概况jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⒈工程概况jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

苏溪大桥位于渔溪镇柳厝村、下里村。起讫里程为D1K68+910.26~D1K69+120.1,全桥长209.88米,直线桥。大桥的中心里程为D1K69+015.00;本桥环境水对砼无侵蚀性。本桥基础除0#台按摩擦桩设计外,其余墩台均按柱桩设计,桩身需嵌入基岩弱风化带(W2)不少于2m且不少于设计桩长。本桥上部结构为6×32有碴轨道后张法预应力后张简支箱梁。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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⒉主要工程数量jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

1.1.1工程数量表jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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序号jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
部位jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

名 称jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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单位jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
数量jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
备注jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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桩基jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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桩身C30砼jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
M3/jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
1608/60jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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钢筋jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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承台jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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1jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
C30jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
M3jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
1036.6jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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钢筋jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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25.7jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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墩台jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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墩身C30砼jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
M3/jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
319/5jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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台身C30砼jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
M3/jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
518/2jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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钢筋jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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围堰jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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1227jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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⒊水文及工程地质jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑴气象特征jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
本桥所在地区属亚热带海洋季风气候,温和湿润,雨量充沛,四季不甚分明,冬无严寒,夏季酷热。年平均气温约20℃,一月平均气温为16.1℃,七月平均气温为28.5℃,七月至九月气温最高,最高气温38℃~39.4℃;一月至二月气温最低,最低气温-2℃~-3℃,偶有霜冻。多年平均降雨量1093.7~1432.0mm,雨量多集中在3~9月。10月至次年2月少雨,天高气爽。7~9月为台风暴雨期,全年大于25 mm的降雨 日为12.3天~15.8天。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑵水文情况jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
苏溪大桥下为苏溪,水流不大。沿线是渔塘、低地。沿线水质经普查资料分析,对混凝土无腐蚀。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑶工程地质jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
线路地处东南沿海,地貌单元主要为低山丘陵地貌、滨海平原台地地貌及冲积平原地貌。本桥地层岩性覆盖层第四系土层,主要地层依次为粉质粘土,卵石土,全风化、强风化、弱风化花岗岩。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⑷地震度参数jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
本桥所处地震动峰值加速度为0.1g,地震动反应谱特征周期0.45S。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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4.工程特点、难点及相应对策jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

(1)工程特点jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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①本桥处于苏溪及鱼塘范围内,需要涉及改沟,鱼塘及河流处需围堰、抽水,填筑便道等,施工干扰比较大。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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②该地区属于亚热带海洋季风气候,温和湿润,雨量充沛,雨量多集中在3~9月, 7~9月为台风暴雨期,全年大于25 mm的降雨 日为12.3天~15.8天,给施工带来了很多影响。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
(2)工程重点、难点jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
①本桥有桩基60根,位于河流及鱼塘中,地质情况复杂。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
②墩台身及承台砼体积大。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
(3)相应对策jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
①根据桥位地质情况,钻孔桩采用冲击循环钻机钻孔,以加快施工进度。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
②大体积墩台身砼施工浇筑时,采用降低水化热的措施,加强温控,避免出现大体积砼温度裂纹。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
③0#台、1#墩、6#台施工时,先采用草袋围堰,然后筑岛填土分层压实。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
三、总体施工部署jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⒈总体施工进度安排jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
桥梁工程由一个桥梁专业施工队担负施工,施工队就近租住砖厂厂房,为生活、生产区。主要负责苏溪大桥下部结构施工。计划 2006年7月12日开工, 2007年1月27日前完工,施工计划工期为6.5个月。桥梁工期计划见桥梁工期要求。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
1)桩基:200671220061110jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
2)承台:200691520061125jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
3)墩台:200610120061210jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
4)箱梁架设:200612120061225jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
5)附属工程:200612162007127jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
⒉人员和机械安排jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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人员到场情况表jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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序号jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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工种jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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人数jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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备注jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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电工jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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钻机操作人员jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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钢筋工jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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电焊工jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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模板架子工jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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混凝土工jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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挖掘机司机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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合计jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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27jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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主要施工机械设备表jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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序号jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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机械设备jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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规格及型号jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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数量jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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1jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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冲击钻jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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宝钻ZZ5 jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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5jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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2jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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发电机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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90KWjµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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1jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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3jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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吊车jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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16Tjµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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1jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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4jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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挖掘机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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1m3jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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5jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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变压器jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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315jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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1jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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6jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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装载机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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ZL50Cjµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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7jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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电焊机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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BX1-315-3jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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2jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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闪光对焊机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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UN1-75jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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钢筋弯曲机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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GW40jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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10jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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钢筋调直机jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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G74-14jµµû-Wibbs.3c3t.comʅ.k®M8F­¾

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3.临时工程建设jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
A. 便道便桥:根据现场调查,从324国道K67+500处下里小学对面有一村庄道路可以进入苏溪大桥桥址,经过一旧砖厂,穿过鱼塘埂大约150m,即可进入1#墩位置。鱼塘埂需要拓宽处理,计划利用旧砖厂费旧砖垫路,加宽至4.5m,并压实处理,以方便今后车辆机械进出。0#桥台位于1#墩对面的鱼塘埂位置,有一条约20m宽的河沟隔开,钻孔机械可从324过道进入柳厝村,穿过村庄和稻田可到达0#台位置,但考虑到施工人员的方便,在河沟上用木头搭设一简易便桥,方便施工。6#台在5#墩所在位置鱼塘埂对面的鱼塘埂上,相隔一条约30m长的河沟,钻孔机械可以从6#台位置附近的乡村便道进入,为了方便施工,在河沟上搭设一简易便桥。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
B. 变压器:桥址附近电源充沛, 在桥址中央增加一台315KW的变压器,以满足钻孔桩、输送泵等大功率机械设备的正常使用。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
C. 用水方案:桥址附近水源丰富,可利用河沟的水进行施工用水,生活用水可以从附近村庄解决。jµµû-Wibbs.3c3t.comʅ.k®M8F­¾
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