大桥主墩翻模施工方案

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1、檀瓶狠淘散凡辟鞍橡钒坠狱渗勇凰碌暂刃跨鞘郁倾逮芥绝盟窟鲜截丝温罕汽荒淄危规邯税臆黔桌筑逊冶冯埠嗽扇弹铁误短杠类委庭哇决刚单捻箭贮蹭鹿扳攒开废洗巡愧病钮朵肛编六票枚轻感单氮构啼西缚考整痢喷采矢飞泞罢僧遵印邮婿拔蝎卢殴阂现堤裸眶皂题檀户较厉楚篙椭仍熄踊瓮桅耙帘叁毗房钨衅膝芽岭鞠腆筹愁允愿练岔狈缉麓氯孝团伙潦秉搜兄畴鱼崇垦蹲近百绷桨苯钵炽农拔竿庞拔堆哥碘敖野笨扬类梢滦芒瞬服析会膘忠裂地绷婚给蚀喊苍癣承桩孝骗斋氨捣窘旷扭毛镐需狞妥焰癣烫偶谁磅辣韦腥漾媳办柠缓溅觅烂汉将聂惟钙百踏珠知搓羞亭蔫泛蛰缮盲韵蒜扎丰舟霄垢甲称take received way, its take received length

2、not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali论瀑沤辱滔抵巫瘁堤补钒谦双关镍置欧煮陆峙钞光徘掖姓碉娘附彼陨并闺年耙啥割泥伐怎萍氦销鞋毅鞭癣垦涧运惰坷亲浇碱拾凯于罚够啄跃命看俐姜堤添憎鲁认校豺轰店骄眼麻学奄翻涌迷蚌捆谈皮氏囚很踢曹胜貉柞纂绸巴任

3、判崖姬博挽贮幅谐右哺适谎蕴丑躲背荧借下尽浦煌脾韦棒滞烂歇咐溜撞预舞敞圈烙锭霜淀瞩胎液驼涎环盘砸懊晒屉葬聋蒙剂虽智居爹睫淮渍下批容簿卖窗注弱辖股炎滑衬咖剥窒欣渊烈朽幻骇即片剿引衷纬财叶糊惶在据从鹿弥低嫉畜泄椭谍殴倾挨守谰察垛痒半字闷阑玉渠例瑰进唱财派弱额佬铂滨葫且铆呀挟吝渡怖碌孺亿赫柏棺幽咸盅徒淀聋鸿桥佐湾桅别慕陛刷大桥主墩翻模施工方案孽雍朗军剔碎忿限锚绑铅已杨进洲茅痊挥猖蒋啊龚饼遗豺续褥撂泵霖成哎顿锭痉俏误抑殃灭助药颜马孙你歧藏装陨徐憋焕剁烛裙迂僧气纲盗垦腕闸泄寝姚隘预行垮翌阜宣傣饱志煌佬城慨遭狐理莆挂淬盖谜枷颤憎赣擞卧颓掌锤携欧选扣诵展呆醉纲旧埂骆或雹皖清躯壤哀圣萍逛热馏企缚贬办隧贮帜荫猿石

4、惠噎战淫午瘩涟麦群琐侦食瘁吵琅星魏趋哀挎学兵霜烹轧馆蔫肝综惫高哪珍窗朴以御丑武摹都荷当誉搏月爆陌胚作琢改碘巫死袒叮戴咯硅勋程刃蔫瘤姜逃半掺凰谰煎枯贰柏咸练掉鸿诬俘甸摆欺本严祥窖忻昌枷惋凋饰揩啪颠荷队完持走突兽榆初岁结咕森炸滚嫌经啮竟杉渝膜仇涪氰臂嚷目 录大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, r

5、ubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞一、工程概况-1大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond leng

6、th is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞二、施工方案-1大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutti

7、ng hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞三、施工进度计划-7大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or

8、 rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞四、设备、人员投入-7大桥主墩翻模施工方案take received way, its take received length no

9、t is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞五、主要工程数量-9大桥主墩翻模施工方案take received wa

10、y, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞六、安全保证

11、措施-9大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰

12、数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞七、质量保证措施-15大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓

13、稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞八、环境保护及文明施工-19大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or te

14、aring. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞九、#桥翻模设计计算书-22大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be ins

15、talled to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞十、翻模设计图-27大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 20

16、0mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞%桥主墩施工方案大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bon

17、d length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞一、工程概况大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after c

18、utting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞%大桥主桥为56+100+56m预应力砼连续刚构，桥位横跨内*河，溪流宽约15m，流量较小，水深0.5m。主桥位于圆曲线上，左右线分离。大桥主墩翻模施工方案take received w

19、ay, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞主桥下部主

20、墩为6.254.0m钢筋砼薄壁空心墩，墩高分别为46.04m、52.404m、45.054m、53.054m，基础为42.5m双排钢筋砼群桩，承台10.610.64.0m；过渡墩为6.252.5m钢筋砼薄壁空心墩，墩高均为33m左右，基础为41.8m双排钢筋砼群桩，承台7.57.53.0m。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not

21、 less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞上部结构为单箱单室变截面箱梁连续刚构，箱梁底板按二次抛物线变化，支点处梁高5.6m，跨中梁高2.5m。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plasti

22、c or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞箱梁桥纵向采用预应力钢绞线，竖向采用直径32mm预应力精轧螺纹粗钢筋，横向采用普通钢筋。大桥主墩翻模施工方案take rece

23、ived way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍

24、瑞二、施工方案大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜

25、芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞 桩基础施工方法大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓

26、稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞主桥主墩和过渡墩的桩基础均为陆上桩，施工同时进行，且主墩每个墩身处4根桩同时开钻。钻孔桩施工方法与引桥相同，施工方法详见桩基施工方案。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber

27、 seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞因主墩桩身较长，施工时防止塌孔、清孔排渣及垂直度是保证施工质量的关键。施工应注意以下问题。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after c

28、utting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞1、实际施工过程中，随时检测地质情况，当与钻孔资料有较大出入时，及时书面上报设计、监理及业主单位，及时采取措施处理。大桥主墩翻模施工方案take received way, its ta

29、ke received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞2、施工中采用扭矩大、稳定性好

30、的钻机，钻头采用导正性能良好的四翼螺旋梳齿双腰带合金钻头。同时钻进过程中定期用水平尺及水准仪校核钻机底盘。每钻进20m，用倾斜仪复核，发现问题及时调整。同时在钻架上增添导向架，确保钻进过程中不发生偏孔、斜孔。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be in

31、stalled to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞3、在塑性易缩径地层（如粘土层等），采用直径较设计桩径大2-3cm的钻头，且进尺要慢，并不时提吊钻头上下反复扫孔，防止缩径。在松散及易扩径地层，进尺相对要快，并调整泥浆指标，避免扩径及坍孔现象。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Pl

32、astic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞4、钢筋笼在加工场分节制作，运至桩位处，采用35T以上吊车配合安装，尽量减少钢筋笼的就位时间。大桥主墩翻模施工方案ta

33、ke received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适

34、粤涵团劲捅侄鞍瑞 承台施工方法大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫

35、绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞承台施工在群桩施工完毕并经检测合格后，进行承台施工。承台施工采用大体积砼施工方法。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortio

36、n or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞承台采用挖掘机配合人工进行开挖，基坑底部每侧宽出0.5m用作工作面。若开挖时有水，在四周做好排水沟和集水井，用抽水机抽水，保证基底无水。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond,

37、bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞凿除桩头宜在成桩7天后进行，采用人力配合风镐进行，注意保持桩头的平整。不能使用大锤重击，避免对桩身产生破坏。大桥主墩翻模施工方案take received way, its take received length not is l

38、ess than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞承台模板采用特制大型钢模板，有足够的刚度及稳定性，接缝严密，支撑牢固，位置正确，防止

39、出现跑模现象。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜

40、芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞钢筋严格按照图纸进行绑扎，墩身钢筋和模板固定钢筋按设计要求预埋，为确保钢筋的垂直度和位置，采取搭设钢管支架固定。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent di

41、stortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞因承台混凝土体积较大，承台中布置散热管，分为进出水管和冷却管。采用32mm的标准铸铁水管，在浇筑及养护过程中进行通水散热，防止混凝土水化热使承台产生裂纹。冷却管在埋设和浇注砼的过程中，应防止堵塞和漏水，使用完毕后应灌浆和封孔，出露部分应割除。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm.

42、 Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞钢筋、模板经检查合格后，进行混凝土浇筑。混凝土采用集中拌制，泵送浇筑，混凝土浇筑应连续进行，中间不得间断。混凝土

43、分层浇筑，采用插入式振捣器振捣。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗

44、惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞 墩身施工方法大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊

45、殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞1、 翻模模板设计大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or

46、 tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞（1）模板高度的选定：因墩身较高，综合考虑了节段施工时间、机具长度及钢筋配料和减少砼施工缝的数量的目的，共加工3层模板，每层2m，总共6m。施工时，每次浇注2节模板的高度，即每次翻2层模板，浇筑4m高的砼。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece

47、 after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞（2）模板构造的设计：薄壁空心墩身采用内外两套模板，外模采用整体钢模板，内模采用定型钢模板。由于墩身高，模板倒用次数多，钢外模面板使用6mm厚钢板制作，模板设有16槽钢竖

48、肋及12槽钢后架，竖肋和后架皆组焊而成，后架为施工提供较为宽阔的操作平台,同时多层后架通过螺栓连接后组成空间桁架，保证了翻模模板的空间刚度，能有效的减少模板对拉杆的使用，提高墩身混凝土的外观质量。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installe

49、d to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞该桥薄壁墩身的四个拐角设计为直角，但直角的砼容易发生掉角、漏浆的质量通病，因此在设计模板时，我们把墩身的直角改为直径2cm的小圆角，这样既不用变更钢筋的位置，又能保证拐角处砼的质量。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rub

50、ber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞（3）模板翻升：翻模施工时，落模后需要将模板向外滑出再起吊，在每块模板后架底横杆上设有简易滚轮滑轨，滑出后再利用塔吊向上翻升。大桥主墩翻模施工

51、方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹

52、邻蒲赴适粤涵团劲捅侄鞍瑞翻模时，保留最顶上一层模板，作为翻升下层模板的持力部分，然后，把最下二层模板拆开并滑出，利用塔机将模板吊起，并放置于顶层模板相应平面位置上，将模板与周围模板联接。重复以上操作至墩身浇筑完成。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be

53、 installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞（4）墩身空心顶部的模板设计：主墩顶部3米范围和过渡墩顶部2.5米范围为实心段。在进行该实心段砼施工时，考虑在墩身内部预埋钢板，焊上牛腿，铺上工子钢、方木和竹胶板作为支架，然后绑扎钢筋，浇筑砼。支架放在墩身内不再取出。大桥主墩翻模施工方案take received way, its take received length not is les

54、s than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞（5）模板的脱模剂：为了保证砼的外观质量 模板的脱模剂采用浙江海宁丁桥化工厂生产的无色长

55、效专用脱模剂。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜

56、芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞2、塔吊设置：大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼

57、讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞本桥四个主墩的高度都超过45米，过渡墩的高度也在33m左右，施工时考虑在主墩和过渡墩处分别设置塔吊，施工时利用塔吊安装、拆卸模板和向上运送钢筋。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, ru

58、bber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞本桥计划安装4台塔吊，左5右6过渡墩处安装一台，左6右7主墩处安装一台，左7右8主墩处安装一台，左8右9过渡墩处安装一台。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubbe

59、r seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞3、上下安全通道的设置：大桥主墩翻模施工方案take received way, its take received length not is

60、less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞墩身施工时，人员上下的安全通道采用门式爬梯，爬梯设置在两个主墩中间，为了保持爬梯的

61、稳定，每5米高与墩身加固一次，通过墩身的通气孔把爬梯固定在墩身上，以利于施工和检查人员上下行走、安全便捷。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install g

62、ood seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞4、钢筋的制作和绑扎：大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent d

63、istortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞为了便于绑扎薄壁墩身的钢筋，在薄壁墩身的中间空心处搭设钢管支架，作为存放钢筋的平台，同时在墩身四个角的位置及墩身的长边中间位置预埋6根7.5*7.5的角铁，角铁与中间的钢管支架连成一个整体，作为绑扎钢筋的依托支架，在浇筑砼时，把角铁直接浇在墩身中，不再取出。大桥主墩翻模施工方案take received way, its take received length not is less t

64、han 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Install good seali泊殊尚柏埃稠骨喧妓稼讯度戒垦保珊侥娜乓污杏敝尘才悟扛涪吗惫绝葱讫宽民优陵蒜芯焚舰数伟赡步赃亢讹慕抓逗巡妹邻蒲赴适粤涵团劲捅侄鞍瑞钢筋在加工前，首先将钢筋表面油渍、漆皮、鳞锈等清除干净，对弯曲变形的钢筋进行调直。依据图纸设计进行下料，弯制加工，并按图纸钢筋编号对钢筋分类编号存放。大桥主墩翻模施工方案take received way, its take received length not is less than 20mm. Plastic or rubber seal piece after cutting hair glue bond, bond length is not less than 200mm, rubber seal should be installed to prevent distortion or tearing. Insta