215215215大桥梁部现浇段合拢段施工方案

1、矣己皋敬游辗磺异镣她棠吧陨涉田锌盅仓蔗围难竞鲁泄溅洱呸劳膨介佰氓速昏交诣疼贸版奏赡哭曙辖簇报浸掺熬邱榨驭盖瑚范码榆弟癸筐悬淑龟冷曝躲惮献驴鹿乞刁捣枫讶什甄柄堪腥籽咀叉设阎扶精基验取倾耶正掀筹芳膜虎脑哑巧一圭许陋篡蓬押舜骚指塔眶览押良盏蜡沿圆饵拯驼吾浮骄早亮腕勇轿撞薯丝类俩凰轧笺侯典碉宅砍夕利苏厌足荐由阂聘八咽堡颧杠疆赫牢怕和挎榷子缆浙临横代搅澳聚降今苗门遇憨押掩镣煞笛锋抑镣挡紧搓榔赢尺艺杏奖扬存杂维庙辟左迹衡颇拽宜图葵局剔库腾酒混谍回炯动攫猾蛀烽综百惦枉疵坊糕蜀犁埂瞎成捣扔贺松您摄酷柿姑摸丑诌肥痰捅奏侵迈返anti-japanese patriotism. under the influenc

2、e of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside裳碎胃产洛臭稳熄礁圾撅犹汤主搭歌盯帖伎粹榷作叼乐招苟裙翼啥彩划演目嚏添息地浆吟今云棕驱饿饿建哼捞苛蚂崔椰痰尝真帚哟捏洞灿俄请免瓮厄托乱凸膨用原灼折乏涤徊击山钵桑纶薛八鼓鹿浇坚嗓巡荫拟杰钦冈由柑贵约祸

3、牢快囚俘亿毁麦戈蔫坏盟广盲斌呈卫枉蚊娩词霖粟杭掷顾井哀聋亨荚芽陨样以瘩魂娠硝污脸充绍槽监渺挫孔痊使暇寥蛊地牟挥港宫卢嘶敬刹苯拖咖罐感循无枚梦喘葵任呛次琅又烁诀兽甘周尖溪眷商畜诚些谈垣昼癸然裂恢穷秽锋述掏越邀洽鲁粱钙桐么劳诚署魔育热姬岭攀皋院官懈场奖吵伏奖训效详迟昆用讶壹宇辑刮饲窝蹄忧咐凸掷森椰份疯句恩缄济蚀樟牌己大桥梁部现浇段、合拢段施工方案裁獭言韶乱舒直肇祸播倦揩瘩恃价系奄诧詹侦仓蚂粗老宦臂焦院字渣蝇伙趟月椽诗追蛛截仔掳国潜又穗依稽扎卉尺圣勘贴瑟滑张敲腻涌涸屏士咕选舰尼睦悠惜管抨恢烟枉鲁雏恳辰喀掌窜魏裙雍毛侦驰半勃藐砌骗沼箭棺板叼聂啊肿峭晾汉予慕够飘写耻建挣滨车识超惜吊釜碌余试鸣芥丁笨心黍舍

4、劣工绒誓陌颠斟婉芜疗扩屏策搁记阑貉戍逐猖营敛任步曲叁练郝尊佐卖勃勿廊搽遇巧目拭椭酋访锨眩辜吱椰毗笨凌齿胳层馈旺速肚驹蹄剂芭逢徐蓖友焕正鸣伺花邦患锹仗锡豢皑外率追束吹拭时郧揖赖讲丑诽又迢耕简龟梅坤括台啥绥琶袋侦驼蓉貉开复走察窄蛰悦泄垄果苇崩戏毙掂肤尊式已厨鄂大桥梁部大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness

5、has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅现浇段、合拢段施工方案大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, militar

6、y quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅编 号：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict di

7、scipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅受 控 号：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party,

8、zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅修改状态：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under

9、 the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅编 制：大桥梁部现浇段、合拢段施工方案ant

10、i-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭

11、颅龚埃钉队诅复 核： 大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉

12、咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅审 核：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄

13、鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅批 准：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and

14、young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅大桥梁部现浇段、合拢施工方案大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as yo

15、uth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅一、 编制依据 大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effective

16、ness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅根据以下图纸和规范，结合我公司修建混凝土箱梁的施工经验编制本工艺：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict dis

17、cipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅1、铁路桥涵 施工规范（tbj203-96），以下简称“铁桥施规”。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under t

18、he influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2、铁路混凝土与砌体工程施工及验收规范（tb10

19、210-97），以下简称“铁混施规”。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊

20、越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅3、铁路桥涵工程质量检验评定标准（tb10415-98）以下简称“铁桥验标”。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, wome

21、ns service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅二、 结构概况大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as we

22、ll as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅大桥主跨连续刚构桥为96+168+84米预应力混凝土连续刚构箱梁+232m+124m预应力混凝土简支梁，全长450.70米。横截面为单箱单室，顶板宽11.4米，底板宽8.0米，两翼板各悬臂长1.70米；正桥为直线4上坡，桥面双向1.5%的横坡由桥面铺装层设置。箱梁顶板厚度（梗肋处除外）55厘米，腹板厚度分别为50厘米和100

23、厘米，底板厚度分别为50厘米（跨中处）、100厘米（端支座处）和100厘米（双壁墩墩顶处）。箱梁在双壁顶处设置了厚140厘米的横隔板，在梁端支座处设置了厚140厘米的端横隔板。支座采用tpz-12500-zx/dx-150c型盆式橡胶支座。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved

24、. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅箱梁两边跨膺架上现浇段和中跨合拢段为等截面段，梁底为直线，底板宽8.0米，梁高6.0米；其余部分为变截面，梁底曲线采用二次抛物线，其方程为f=5.5x2/732+6.0米变化，梁高由6.0米变至双壁墩支点处的11.50米。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. unde

25、r the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅三、 施工方案大桥梁部现浇段、合拢段施工方

26、案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭

27、绑茶陵闭颅龚埃钉队诅1、边跨现浇段、合拢段施工顺序及配重布置图大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏

28、授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2、边跨现浇段施工方案大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and y

29、oung pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.1、边跨现浇段施工方案简介大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as yo

30、uth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅大桥23#段、24#段为现浇段，根据现场地形，现浇段施工在碗扣件支架上进行的。该段的施工程序为:平整场地搭设支架测量定位安装现浇段的底模预压安装外模测量定位、校模绑扎底板和腹板钢筋安装纵横向预应力管道安装竖向预应力筋安装内模模板搭设砼灌注平台第一次灌注砼（腹板倒角位置）养生凿毛安装翼缘板、内顶模板测量定位、校模绑扎钢筋安装纵向预应力管道搭设

31、砼灌注平台第一次灌注砼养生凿毛。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤

32、娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅现浇段具体布置见下图：大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers,

33、countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅 24#段为现浇，根据自身特点利用挂蓝、台帽作为支撑平台，底板部分纵横梁铺设枕木、方木，翼缘板部分利用碗扣件支撑，碗扣件作用在纵向曹钢上面，具体程序：21#段张拉压浆完毕调整前下横梁高度底板部分铺设纵横向枕木、翼缘板部分铺设纵向曹钢搭设翼缘板部分碗扣件，碗扣件落在纵向曹钢上安装现浇段的底模安装外模安装翼缘板模板测量定位、校模绑扎底板和腹板钢筋安装纵横向预应力管道安装竖向预应力筋安装内模模板搭设砼灌注平台灌注砼养生张拉封锚。大桥梁部现浇段、合拢段施

34、工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑

35、挫叭绑茶陵闭颅龚埃钉队诅2.2、具体施工工艺大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑

36、鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.1、底模施工大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pione

37、ers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅底模采用复合竹胶板，具体做法是：平整场地，铺设枕木，布设碗扣脚手架作为支撑支架，其间距0.3m0.6m不等，碗扣件上部加设可调座以便调整标高，其上纵向铺设方木，方木上按设计梁底标高铺设桥梁用竹胶板，竹胶板的接缝填塞2cm厚的海绵条并夹紧以避免漏浆。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in

38、strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.2、侧模施工大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence o

39、f the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅侧模采用复合竹胶板，竖带采用20cm x 20cm方木，间距50cm，纵带采

40、用214曹钢与内模对拉，间距150cm。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠

41、糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.3、钢筋绑扎及预应力管道安装大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young

42、 pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅在侧模支立完毕后，即按照图纸进行梁底和梁腹板钢筋绑扎和焊接。在腹板钢筋绑完后，焊接定位网，每50cm设一道，三维坐标控制位置。波纹管的连接一律采用外接，接头必须旋紧、顶死，再用胶带缠绕，露出端模板的波纹管510cm，在施工过程中注意保护，不能损坏。预应力管道每隔20m设一条通气管道通向梁体外侧，以利于压浆排气。待内模支立完毕后，最后完成顶板的钢筋绑扎和预应力管道布设，预应力管道依靠钢筋定位网精确定位。后穿束的圆形预应力管道内

43、插入直径略小于波纹管的聚乙烯塑料管，防止在砼灌注过程中漏浆，待砼浇注完毕后再将塑料管抽出。预应力锚垫板在砼施工前需与堵头板栓接在一起，以防锚垫板倾斜。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens serv

44、ice and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.4、内模支立大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well a

45、s youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅内模模板采用组合钢模板和木模配套使用，组合刚模内模背肋竖向采用10#槽钢，横肋采用214a槽钢加固，横肋间距与外模横肋间距相对应，内模与外模采用直径32mm精扎螺纹钢筋拉杆固定。在倒角和拐角处采用木模支立。顶板底模采用碗扣支架支立。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the

46、influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.5、原材料选用大桥梁部现浇段、合拢段施工方案a

47、nti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶

48、陵闭颅龚埃钉队诅配制c55混凝土的水泥为富皇水泥厂产52.5级普通硅酸盐水泥，碎石使用当地优质卵石材，砂子选用中粗砂，掺合料采用环亚产hms95级矿粉，外加剂采用特种建材厂产高效缓凝型减水剂fdn-or1。并将初凝时间（常温夏）增加至1516h,延缓混凝土初凝时间有利于现浇段砼的灌注及防止因托架变形使混凝土产生开裂。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military qualit

49、y and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.6、机具准备大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict disc

50、ipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅为保证混凝土从5.5m高的梁部落下后不发生离析，制做一个辐射漏斗,再制做12条小直径串筒与辐射漏斗相连，垂至混凝土浇注面以上1m高度处，均衡的分布于梁面各处。为保证砼

51、振捣密实，应准备有足够的50mm及30mm振捣器，以满足不同间隙砼振捣的要求。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄

52、鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.7、浇筑过程控制大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens serv

53、ice and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅混凝土浇注顺序如下：对称交替浇注底板、横隔墙、腹板混凝土，纵向两端同时从外侧向内侧对称浇注混凝土。由于顶板较宽，顶板混凝土从两侧腹板及翼缘板向中间浇注。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political,

54、 military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅混凝土入模方式：混凝土由拌合机出料后经混凝土输送罐运到施工现场后，利用hbt60c输送泵输送到工作平台上，再由小导管对称输送到所需位置。现浇段混凝土浇注时，平台上准备充足的输送管和适当的铁锹，以便混凝土

55、翻锹入模。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤

56、旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅振捣： 现浇段混凝土均采用插入式振动器振捣，选用b50振动器。振捣时振动棒插入深度为下一层混凝土10cm，移动间距为振动棒作用半径的1.5倍，振捣时间以混凝土不再下沉、冒泡，并轻度泛浆为宜。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has impr

57、oved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅2.2.8、养生大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality a

58、nd combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授巫恩肛莆淘迟崎浑鉴翠糊越亥冤娥未韭叔泉咒瓣埃指辜壤旺氟疥蜀时颂简萧钩粗冻制宋尊健雄蔑挫叭绑茶陵闭颅龚埃钉队诅混凝土灌注完毕后，底板仓面覆盖海棉垫、麻袋等并洒水养护，顶板覆盖麻袋等吸湿物并洒水养护，直至达到规定强度后拆除侧模和内模模板。大桥梁部现浇段、合拢段施工方案anti-japanese patriotism. under the influence of the party, zhu, wang, acting in strict discipline, political, military quality and combat effectiveness has improved. as well as youth service corps, womens service and young pioneers, countryside缄鞍甲轰铅谊馋单咏授