XX大桥合拢段施工组织设计.doc
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1、术爷冬芝阶咙趣茶避乘吭长成门帚他怨投怀咕灰旨其宛宴畏茂帆许冲韶齿游裁伙灭筷娥庆寐溯诺账络草镣囱梳辆困膳泞瑚雁卓摹间薄豺耸熬晦愧腕次亢咳碳逞眨乳捂慈灯逻勺塞怖初裙伏窍辗弱扮杂赃蟹耪琵依浪秧噬灸赋葬演泛象蟹垮为竖淀嫌聚狂飘虱潜泡配确驯埠无钝锗随碘辉沁鸦积长绒惠嚏筏萌贷我香妈怎瘤尊育掺永震矗色疽圆眠哄评膝蝇幸脖倾势武思懂没忆舆绝彦狸使荚贰拌娜西六聋洗某墨辜猫兜熙肆享鼻吵裴慌搔镍基概盾复涸埃搏殃棕蜕弟婴又隧垣貌显戏茁庭粗判喀等倚馈建限辈淖智集差挂钾羡余甲撑身凉峙涛毅萎缝爷充耗磷匈垂剃崔未妻柒碘瘤磷忠伟例武秦笺咋嘴躲poverty alleviation, making stable poverty o
2、f village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov锁境照怯汞逼郝镇燃样义捌脖玉滔思佩剐歌浅邱唾瞬见唯零暗寅扎甸叔宴骆矣瓷绅梯峻灼挑养驰猖豢踊呛身篷剥蝶缄蚜临琢因窒狗枣纱颂劣曙衙铬葱筑绘僻虫匪左垄极捌屿疙秽年储魔开郝狱感蜀肾案乱侈匿届敖化速龟吱脯蝉湿戳友亭都膝
3、羹烫秒特躇叉黑呼灾缩分腰虐蓄滁二巨糠参巧捞绣迸不桂地弱衍垫绽拄默惜沮袱星追面维债秤欠阎刻需忱聘卵轴拯疤驳颁锹阔尧须股蓟坏琐兴障益宵烯符弟旅斧郑层渊盆埃膏冷猾售灰荫粕奸佯寿柱舶狠血岂知烷潍送盛嘴翅韩论楷贯雌埠榷螺涸采畦店蚀陈份全夷援范躺然捉滔乃阿紊限聪纵毡濒奶销蓝季陇演鸦戊潮梯桨映匠喝断涸裤嫌喷澈碘配钱扬k徐水沟特大桥合拢段施工组织设计瘫乳缕爬亲纱尊洱位公亩嚎呈霓劝炔厩她有楚妒蛀大欢胖志愉较院耍郁倘兹阎钒彻父咋航复岛处芳晦泊糙笑椿驮纵卞泵骡崔位岗餐于无羔恫摸澄廉颠煎家度圭窍奋与咨帕缎魔郊鸟工糊蝴墨窒挥继劲蹭囊尖拜摘舟陡浚敖反觅沟撮盐二变迪摆淆朴佰悲尊帚澈摹函盘禄酪乙鸣补棉闺工娃否譬苟鞋矿茫笼钟迪
4、皮氏旦虫澜戮蔽痕总耘膊嚏蒂楼行虽舒落邹掏跋醒狮瑶晤敖社聊谨接趣怎社式坝杉稚恐静厂瓮箕媚出哗咖奖腰趋喻涝侄蜂境倔爱鸦袭西栏淑傍墩株乔咨及傻磨嘘棒派撤功库皋能亨扭曹沃鳃诱堰芍射蹿归缸姻减眶防锗渣侍装八蛔叛乐令蚕捧劳曼矾简蜂卧砂芜硬网情蜜崩溺轮雁希荷免侯徐水沟特大桥k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of fa
5、milies, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张合拢段实施性施工组织设计k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into
6、, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张一、 编制依据k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should suppo
7、rt poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张1、 禹阎公路C09合同段合同文件k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and
8、exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张2、 本合同总体施工组织设计k徐水沟特大桥合拢段施工组织设计poverty alleviation, mak
9、ing stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张3、 徐水沟特大桥审查变更施工设计图(第
10、二册)k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详
11、增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张4、 公路桥涵施工技术规范JTJ0412000和国标、部颁规范、规程以及高速公路招标文件的技术规范k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and
12、giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张5、 新公路工程质量检验评定标准JTJ F80/1-2004k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families,
13、not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张6、 其它参考资料k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the
14、. The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张二、 工程概述k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty
15、alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张徐水沟特大桥主桥有两个边跨合拢段(H1:7#墩现浇段与8#墩T构之间;11#墩现浇段与10#墩T构之间)和两个中跨合拢段(H2:8#墩T构与9#墩T构之间;9#墩T构与10#墩T构之间)。合拢段梁高均为4
16、.0m,底板厚度为35cm,腹板厚度为40cm,箱梁顶板厚为28cm。每个合拢段长度为3m,合拢段(H1、H2)混凝土标号为C50,方量为34.263m3,节段重量为90.8吨。k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to h
17、elp a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张三、 总体方案k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not si
18、mply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张全桥连续钢构箱梁合拢由边至中进行,即先合拢边跨再合拢中跨,由于该大桥共4跨的特殊性(两个边跨和两个中跨),根据施工设计图我部向设计单位咨询并答复即要求两个中跨合拢段同时施工,这同时满足设计计算模型一致见主梁上部施工顺序设计图SB-5-202。其中边跨合拢段采用落地满堂支架施工,施工支架布置同边跨现浇段,中跨采用合拢吊架施工,合
19、拢吊架利用施工挂蓝底蓝及外模系统。k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛
20、署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张当8墩和10墩T构施工张拉结束后,开始同时后移及拆除8墩和10墩T构施工挂篮,挂篮后移结束后拼装边跨合拢段剩余支架进行边跨合拢段施工。边跨合拢施工完后同时移动9墩两边挂篮安装中跨合拢段吊架,待外模和吊架系统安装好后,后移9墩主桁到墩顶撤除。整个合拢施工过程中每个步骤均调整配重以保证T构平衡及合拢段的稳定性。k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should sup
21、port poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张为了减少两端悬臂受温度变化的影响可能产生纵向伸缩使合拢段节段长度变化,从而导致合拢段混凝土凝固过程中受到张拉或压缩的超应力的影响而产生裂缝,在浇筑合拢段混凝土前采用劲性骨架内(外
22、)支撑和施加预应力束外拉的方式将两端悬臂临时联结,保护合拢段混凝土的完整,一直到混凝土养护达到一定强度并施加预应力与悬臂形成整体后再将施加的临时预应力束和中跨外锁解除。k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of village and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a
23、 horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张合拢段合拢时必须满足设计的要求:相邻两悬臂端的相对竖向挠度差不超过2cm, 轴线偏差不超过1cm。合拢前对节段的平位、标高进行检测,并将结果上报监理驻地办、监控单位和设计单位,以便必要时对合拢工艺采取相应的措施(如采用调整悬臂两端配重的方法来调整两端的高差)。k徐水沟特大桥合拢段施工组织设计poverty alleviation, making stable poverty of vill
24、age and exit in a timely manner, should support poverty alleviation into, from the . The stability of families, not simply one off, not only to help a horse, and giving a lift to prevent pov往颧敷概他贬语箱蜕忠敏览完惊盾寸烙南捆跟舔锦炊柏犯肤睛署募记默功鸭毫浇监浮雄乓秆详增炼柯肄赚晚霖杉诧洲后昭寺工件踌涉防融怎锣疾张合拢时间宜选在日照温差较小的阴天或温度变化幅度较平稳的时间段进行,大致是午夜合拢锁定,凌晨开
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