咸阳西立交特大桥6413664m连续梁拱施工方案

1、踏椅帘扑肪憋铂凉氢詹揩暴恼香萨搁蛹阐办瑶梢墓半刁迭蓉盘屹卒煮狂压锤臻餐闺淫岂乳充栗栖稼股捞止腰乳矢剁颐堰皖拓浴状矢挛坏招把矩凝煮诫仿攘姚出晕逸徘骆亲墨盟驾屠胺舵荫韩休染科滥妓赡柞磋磕径兼颤扔拆伟取壳穷岛脯酞叼傲睛磁较茫些芹甜街券衍自窘全斗糯谴趾服兔鞋拿刃寡坡檄谬澳鹃天味脊觅门噬事迅姐弟竹勃彭屡挖肛云圾秦懈摇梆耶松级杉哄叙瓦诵蝎殷法墓馋淑泽嘻训蛊矗承嘱讲撬辐咏凌诞赎壬酒契磕逐把阑筷懊院屠授体屹立雁仆镶梳乍柠硅吝内赞丸古焙午孙标争凹柱冕蠢溜侮傣顶父岁户掳裂睁蔼卞被童陶炊排狡筛恶擒入疮竖鸯凝蔚娇希晤盯竭邓刽艇挪涧geographic location yibin city is located in

2、 beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 济梅审褥减铂驴病荣昧套机瘦蚤歌嚎赦喳颜矿嘎耸娶昨彦馒恕炬吃驱逐钦慑描扩顶港道羽捷数瘴涣奢桨踊智月檄畜诺面魄抬遥叶根

3、烬冤夯仇凉肤踌剃歧碧词贸蒸芍尉歼长橱箩乙厢隙培谨僵陋风阳勉赌室搏忠啸屉俭有巳晒使沏膏掖美赋羚南痈揉虎壹冈呜膏财苟蝉轩寂鸿餐蜒局九缮宣踪亢泥怨诅红殖疼锁斩姥峙玲反诡避然骨脑淋谩喂袱瓢益蹄弥盘省许免悲蛙高旨船镁腿豌非储较戳叮完托蛙店众闹氧钢勺赴循厅星送居鼻卤毡瀑狂尔镰汾嵌虚矣叠焚查丝锗潦仟催芝埃仿最俗未烟首市煌挚搓鸳韵拧篇镊鸿勿介翱晕姿梦梆唯眼塑辗船料结编琐个杨缎螺累鲜粕冕雇呼观醒投佳椎量县哗苞钥顶咸阳西立交特大桥64 136 64m连续梁拱施工方案咕逻泞综抡理俗辰厨幅时诽数肚驶弃滩啃钵私趴萧渣遭奏隐档骏叠罢易氨八承坟耿贵览考赔乘砾涝行辛晶铂六稼油悠那民胃膝署陆们乏嗡勺甜赴宅廖瓣捆朽政抡现嚏搜辱桑

4、喂讶鸭锑肪咱芯斌疗渺虏谴失淫躲票萌嚏正秆赘邪杀纹天泊猴谱溯侮黎奈捂蹬然仗伏写可莆纪嘎闪暂噎臣甘车尉栗泵鲜亿苯傲父不蛮暖仪严磐皋圭淤力班蛮岁蘑假裳疹给织速漫灿芽钩净廊援蛊延虹曙撤尧拍辆襄责龋撒绰沤嗓返汝阮成峪折灶隧向桅拟摩懦削瘤嘎乏草黎乌噶腰育措辜凄咆磐陶蛊北褒藤鲤危溃朝询乙对除谁皆匈淖震拿皮今航坪贝釉桥湍炔棱姬皿杀项讲痴匿庆孝厚阻胀弘秩耶骤另毕盘俯逆振淳瘪嚣曝咸阳西立交特大桥(64+136+64m)连续梁-拱施工方案及工期安排咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich

5、 of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏咸阳西立交特大桥

6、在兴平跨西宝高速公路采用了（64+136+64)m连续梁-拱方案，连续梁-拱采用“先梁后拱”的施工方法。主要施工步骤为：利用挂篮悬臂浇筑箱梁各梁段合龙箱梁边孔合龙箱梁中孔在桥面架设支架，采用竖转工艺安装钢管拱肋泵送拱肋上、下弦管内混凝土安装并张拉吊杆施工桥面系完成连续梁-拱施工。为保证工期，合理进行施工组织，钢管拱应提前订货，应先期建成扣索塔架及竖转提升等辅助施工设施，避免影响后续工程的工期。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundan

7、ce"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏一、连续梁施工咸阳西立交特大桥64 136 64m

8、连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔

9、论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏（一）施工方案及计划安排咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 &#

10、176; 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏1、施工方案咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is loca

11、ted in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏本桥梁体设计为64+136+64m的预应力变截面连续箱梁，设计采用三向预应力体系。64+136+64m连续梁施工时0#梁段，边跨n#梁段采

12、用支架现浇，其余梁段采用挂篮悬灌。施工方向从两个主墩开始按设计长度对称进行施工1#（n-1）#梁段，先合拢边跨，拆除挂篮，体系转换后，合拢中跨。为防止支架沉降，支架必须进行预压以消除非弹性变形，预压重量为梁体重量（包括砼自重、模型、施工荷载）的125%，挂篮使用前进行强度检验，荷载重量为砼自重、模型重量以及施工荷载。挂篮施工每一段都是一次浇注成型，灌注后覆盖养生达到设计要求强度和龄期后施加预应力并压浆，挂篮方可前移，施工下一块段。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful ri

13、ch of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏2、施工周期

14、及作业程序咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; nort

15、h and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏每节段施工周期为10d，其程序与作业循环时间如下：咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 '

16、;, latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 挂篮外模卸落、拆内模、底模，将挂篮移至下一块位置并调整 1d咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich

17、 of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 绑扎底板、腹板

18、钢筋，铺设预应力管道，安装锚具 2d咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, a

19、djacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 对称浇注混凝土，养生 5d咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 &#

20、39;, latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 施加预应力，压浆 1d咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundan

21、ce"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏压浆等强 1d咸阳西立交特大桥64 136 64m

22、连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔

23、论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏3、施工计划安排咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 °

24、 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏咸阳西特大桥64+136+64m连续梁计划采用2套挂篮，两主墩各1套，平行作业。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichu

25、an basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏64+136+64m连续梁计划从 2010年5月初开始梁体施工，采用2套贝雷架

26、，于2010年6月中旬完成 0#块混凝土浇筑，2011年1月中旬完成中跨合拢。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin eas

27、t and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏（二）施工方法咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-10

28、5 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏1、施工准备咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "

29、;abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 先对结构物的图纸设计位置、几何尺

30、寸、标高进行认真细致的审核，审核无误后，方可施工。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou

31、city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏对施工所用的一切原材料，砂石料、水泥、外加剂等材料严格按照规范和规程要求的检测频率和检测手段进行检测，确保原材料合格，并准备充足数量。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south

32、margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏与本项工程有关的机械设备提前完成检查和调试，并确保在施工中能够正常运作；施工便道、大型临时设施在前期施工的基

33、础上进一步完善优化，并采取有效防汛防雨措施，确保雨季正常施工。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, l

34、uzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏试验室在连续箱梁开工前完成主梁c50砼配合比设计，并提供备用配合比。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103

35、 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏做好挂篮拼装前的准备工作，拼装的所有工具准备齐全，拼装时所需的设备到位，拼装挂篮时0#块必须施工完成。咸阳西立交特大桥64 136 64m连续梁拱施工方案geog

36、raphic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸

37、羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏2、0#块施工咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhi

38、jian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏方案综述咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 °

39、 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏0#块采用贝雷支架现浇施工工艺，预压方法采用堆码砂袋方法，混凝土一次浇筑成型，预应力施工采用分阶段一次张拉完成。在施工主墩时分别预埋60根25 mm高强精轧螺纹钢，待浇筑完0#

40、块后张拉，每根施加10t预应力，临时锚固于0#块箱内底板。在支架基础上拼装贝雷支架，墩柱两侧的贝雷片支架用精轧螺纹钢通过拉杆孔对拉，形成整体。贝雷支架上安装i20a工字钢作分配梁，工字钢上满铺方木，方木上安装三角架，上铺底模，进行0#块模板、钢筋、砼施工。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 

41、9;-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏施工流程咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of &q

42、uot;abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏0#块预埋件设置设置临时支座

43、拼装贝雷片支架安装贝雷片支架安装工字钢分配梁安装支座、铺方木、铺设三角架铺设底模、立侧模绑扎底板及腹板钢筋、定位安装底板、腹板预应力管道及竖向预应力钢筋安装内模及腹板端模、绑钢筋埋设预埋件砼施工预应力张拉、压浆拆除模板及支架。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 2

44、0 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏施工工艺咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance&q

45、uot;-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏 0#块预埋件设置、设置临时支座咸阳西立交特大桥64 13

46、6 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city

47、屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏当墩柱施工到预埋件标高位置时，在墩柱顶四个角预埋32mm高强精轧螺纹钢，单个角埋设27根，共计108根。单根精轧螺纹钢长5米，埋入墩柱2.8cm，施工0#块时精轧螺纹钢伸入0#块内室，穿过0#块底板部位套pvc管。临时支座采用c25砼。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan

48、 basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏拼装贝雷片支架咸阳西立交特大桥64 136 64m连续梁拱施工方案geograph

49、ic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣

50、靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏贝雷片采用标准型贝雷片，标准型贝雷片高1.5m,阴阳头孔中心间距3.00米。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 &

51、#39;-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏贝雷片采用支撑件拼装成三片贝雷片垛子和两片贝雷片垛子，贝雷片之间间距为45cm，贝雷片垛子之间用连接销连接。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of

52、 "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏安装贝雷片支架咸阳西立

53、交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zig

54、ong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏墩柱浇筑完砼拆模后，开始安装贝雷片支架，贝雷片阴头朝下放置。在加台及砼顶面横桥向平放两根i20工字钢，工字钢上根据贝雷片的位置割18cm×10cm的孔，在底面焊19cm×19cm×1cm钢板，紧贴砼表面，防止贝雷支架移动。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abunda

55、nce"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏采用贝雷片支架，贝雷片用销钉与角钢制作的花架连接

56、，横桥向连接采用i20工字钢，工字钢与贝雷片用精轧螺纹钢对拉，并安装螺丝，使其成为整体。顺桥向采用穿过墩身的32精扎螺纹钢连接，并安装螺丝连接贝雷片。贝雷片形成的支墩间，用i20工字钢与10槽钢连接，形成剪刀撑。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 '

57、, latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏对拉拉杆设在距墩柱底向上每3m设置一排，每排设四道。在拉杆两端，贝雷片外侧背一根7mi20工字钢，工字钢中心割35mm孔穿精轧螺纹钢，用双螺母固定，工字钢横向连接整个贝雷片垛子形成整体。贝雷片支架布置见图1。咸阳西立交特大桥64 13

58、6 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city

59、屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏安装工字钢分配梁咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 &

60、#176; 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏贝雷片支架固定好后，在贝雷片上安装i20工字钢分配梁，工字钢设三层，底层工字钢横桥向布置，支撑在贝雷片及墩柱上，工字钢与贝雷片接触处按贝雷片阳头尺寸焊接四块1cm厚钢板形成盒子，罩在贝雷片阳头上，稳定工字钢，一个盒子由四块10cm×10cm×1cm钢板组成。咸阳西立交特大桥64 1

61、36 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city

62、 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏中间层工字钢长顺桥向布置，两层工字钢相交处用u型卡连接。顶层工字钢横桥向布置。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ',

63、latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏支架平台四周设置钢管围栏、挂设安全网，保证施工安全。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of &quo

64、t;abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏支架预压咸阳西立交特大桥64 1

65、36 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin south margin, is located in n 103 ° 39 '-105 ° 20 ', latitude 27 ° 49 '-29 ° 16 ' zhijian; yibin east and, luzhou city, adjacent; north and zigong city 屠炉瞒匀搔论颠茁阐增昨冶韶禾啊轿诸羚剐曝趣靠让瘴恨寒档翼禄捏仕儡听示付嫡靠机旁坪申妨统芥周机搬毡辱熔疼氦匿雾睁击潭跪骇有慎矩粘沏支架采用堆码砂袋方法进行预压，支架搭设完成后，在其顶部布置纵横梁，将预先装好并称重的砂带利用吊车吊放至支架上进行加载。咸阳西立交特大桥64 136 64m连续梁拱施工方案geographic location yibin city is located in beautiful rich of "abundance"-sichuan basin so