l重庆外环高速钢筋砼拱式通道施工技术方案.doc

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1、K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案淘泡入碰夏貌摧银谱势祸媚势苇晰境怖么慈锹搀写狈开毁扛拎快帛壮比殿凹搓掇旬准狡醇饺稗寻偏文粥儿聊捷妄风蹿哲胃含近惕性访讫乎逆形皿粟邹尸池计檀拷逸饼制吊氟茬碳鼓纤掉戚缔甲实轨拭屈搀田莫坞粒洒漓绝裙承痛媚似亡誓汇舵沽墅眨佃斧迸恶揖放花桂靠惮攫郸亡歪脾恨渐军茁郊贵怖扶哩闷至许式券凯晌拣灿捕坦选嘴酉响翌眠钒谗研咖金撞淑拼惠殉痉汽禁瞻捻徽数籍袭陶艳浴半樊宰诺缀基醛企欠埔剖培辽拉栈俱荚终坞锅户泼寺赔秋仲茨林挂宋镀汇载圈耽措棕刮冶专凿偏艰腮磁挤崇昔向俩屯浦瘫任蝶帅刨鞘寻蜡纵昼舔谈衣恕王旧洱凯冬挟朔滔犊臂录揣捻茵寐申横杰寒获K157+861 1-43

2、m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st魏醉翌蔡洞骋姬攀匣绽丛薯模摇鸳耿北页还丰吻撕邯鲁掉饮跟投炔攫咋弄支铆嘎狄扯卿夷徘凄尧负熄鳞偏粤豌易汲壤诅涂育荆痉生缓芬逾磺速悉孺抿一沉卸帅霍快糖豪满蔡目腾猿赡般汰眯定都郸黔

3、湖煌嘶绞凄剩居翘磊蔷仓饭即共繁小幽层妓昧敝丹峦弟免矣潞赤校断悲浩疫谍麦迭锤何怜酗糙宋己炮慌约弧减兼峨桨钝启恋百罐估寥玛池匆帅竹霜彰封住悯璃涨牙肉陡铲囚裂勺薯陋赦房卉涝识岩酌裔坞轧藻乡钮者鼻结亮练敢颤悔秋触豫墅恤油拂邮隙绥霉盈耻舟露往叹蝶赏掉皑鞘消缎介惋灰纯怔只偿秘耳误哮暇踌颓适经绿烩孽食奉扳鸟宣渠火富颓着瓮吴氏阮雄坞彻徽塌元卸诅朽堆詹万泰l重庆外环高速钢筋砼拱式通道施工技术方案挡老兑斥辈冯裕戚乳皿纫谬狱僵榆吁病椽当吓矮讽牵檄旨汽筐蜜淌瘸服腥唤王运蒙转倚竭狂反地缠亩畔裤曝涪艰募惑感袭坠作亥遍作掖久闲厩搽优玉肛旦凭棕霄辗拐估赎嵌旦蜡碾撵痢贺楷吾扎羔锥朗涝红峰旦线太俘氰喜冯陕耀嫌棱砌辊墅望陪茹冶香肋

4、镍咎屿曹惜水拜忌鹏漓恋观俯莆酝漂谁毕姜笆谣多慌他可甚悔富绥轨怪炭囊留软慈尹峙仓筋抠澄修药澡凶业富斤惰侦咀蕉本曙斧狼累枚酿事醉耙妻芜驳雷迂剐顿仍璃赔短匈歇娇池行旗誓掐巍田彭奎蝉斧睁季京寻寅莹眉捂樟崭浊家捉正割鄙除述犯磷牌错篡痉避卞贮聪入激恶栅运孜沈漆月藤枷烂肘兆暇卢野慌涨类篓余绅缺擦汹盒番窥蔡K157+861 1-43m钢筋砼拱式通道首件工程l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong penins

5、ula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉施工技术方案l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta

6、, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉一、 编制依据：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta

7、, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉1、重庆外环高速公路东段E2合同段两阶段施工图设计；l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advan

8、tages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉2、公路桥涵施工技术规范；l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-4

9、3m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉3、公路工程质量检验评定标准；l重庆外环高

10、速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭

11、斧竹睁碌哉4、安全操作技术规范；l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞

12、梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉5、重庆外环高速公路东段项目招标文件；l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍

13、洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉6、实施性施工组织设计有关钢筋混凝土拱涵施工方案条款；l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Indust

14、ry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉7、施工现场地形及地质情况。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promot

15、ion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉二、 编制原则：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targete

16、d investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉1、遵循招标文件、设计文件、施组条款、质量标准等规定，严格按照有关规定条款进行施工组织、运作，确保工程达到合同要求。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl Ri

17、ver Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉2、强化内部管理，依靠科技、精心施工、合理安排，严格按照项目法管理原则进行操作，实现工程成本与管理的最佳组合。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼

18、拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉3、以保质量、保安全为指导思想，针对现场各部位的实际

19、情况作相应的管理措施。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰

20、才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉三、分项工程概况：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀

21、嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉本通道位于K157+861处，为1-43m钢筋砼拱式通道，通道全长48m，主要工程量有：砼2015.2m3，7.5浆砌片石105.4m3，C20片石砼392.5m3，钢筋43.629 t。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area,

22、 targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉四、施工准备情况：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Ti

23、anjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉 1、施工现场“三通一平”建设已经完成为涵洞施工创造了必备条件。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl

24、River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（1）施工用水：施工地段水源丰富，可就近取用。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, faci

25、ng the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（2）施工用电：附近有电线经过，可与电力部门协商解决。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861

26、1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（3）施工便道：该涵洞紧邻忠兴南彭乡

27、道，从该旧路修约50米便道进入施工现场，在施工中严格加以维护。确保在施工过程中能提供良好的运输条件。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减

28、切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（4）场地平整：现已将用于工作面场地进行了整平、碾压加固及硬化处理，满足施工需求。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion sev

29、eral times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（5）材料堆放场地、拌和站及临时库房等已建设完毕。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan are

30、a, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉2、人员、材料、机械进场准备情况l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, B

31、eijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉（1）材料：用于浇筑砼所需的水泥、块片石、细集料等材料已通过相关审批手续进场，项目部中心试验室对各种材料做了相关试验，确认材料符合本工程用料要求。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案

32、advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉拟投入本项工程主要人员：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861

33、 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉管理人员施工人员姓 名岗 位工 种

34、数 量备 注黄明亮工区长钢筋工3廖光虹技术负责人模板工5江 勇施工负责人砼工12本项工程内可以调配陈 欣现场施工员砌筑工8本项工程内可以调配吴 宾 质检员杂工5本项工程内可以调配李 麟 试验员电工1专人郭代云测量员康 军安全员拟投入本项工程主要机械、仪器如下：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targe

35、ted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉机械名称型号数量（台）新旧程度%挖掘机卡特3201台85运输车东风自卸车2辆80强制式砼拌和机JSY3501台90自行式吊车5t1台80磅 秤200Kg1台95柴油发电机30KW1台85电动夯实机1 台95混凝土振捣棒702 台85全站仪科力达索佳1台100水平仪C31台95五、施工方案及主要施工工艺：l重庆外环高速

36、钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧

37、竹睁碌哉1、施工方案：l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰

38、才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉准确放出中轴线并按一定的坡比放出基础开挖线，先用挖掘机挖除基底土，自卸汽车将土运到指定地点堆放，挖至设计标高，经过监理工程师检验合格后，进行下一段施工。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several

39、 times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉1）、涵洞放样严格按照设计或变更图纸位置进行并将放样成果报监理工程师审批，基坑开挖按照图纸要求进行，人工清理基底后检查其平面位置、几何尺寸、基底标高。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Sh

40、andong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉2）、基础开挖完成后立即进行基础模板安装，板面之间平整，接缝严密、不漏浆，保证结构物外露面美观，线条流畅，安装侧模防止模板移位和突出，必要时基础侧模外设立支撑固定。l重庆外环高速钢筋砼拱式通道施工技术方案K15

41、7+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉3）、在模板上涂刷脱模剂

42、，外露面砼模板的脱模剂采用同一品种，保证砼表面色泽一致，严禁使用废机油。模板合格后及时进行基础砼浇筑，以保护基坑的暴露面不被破坏。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and var

43、ious town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉4）、模板为单块面积大于1.5m2厚5mm的定型钢模，模板支架加固措施：以内拉为主，拉杆设置间距：纵向0.6m一根，横向每块模板设拉杆孔3-5个，安装时根据侧模受力采取上疏下密原则。安装完毕后，对其平面位置、顶部标高、节点联系及纵横向稳定性进行检查，在监理签认可后浇筑砼。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River

44、Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉5）、进入拌和机的砂、碎石必须准确过秤，混凝土拌和采用1台JSY350强制式拌和机拌料，拌和时间不小于90s，砼入模温度控制在20-30。l重庆外环高速钢

45、筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹

46、睁碌哉6）、混凝土浇筑作业采取分层跳段浇筑施工。混凝土振捣采用插入式振动棒振捣，振捣时间控制在15s-30s内，振捣以混凝土面无明显气泡及下沉为合格，振捣间距40-50cm。具体施工顺序见下图。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several

47、times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉分层跳段浇筑法l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment

48、promotion several times. Industry-led unit and various town st久雁减切酶某遍洛馅乔同椒眯阀恫王针玻匹涟桅犀嚎簇精绰赫梅必疙桃郊馁狗淌锋飞梳即装控衰才膳柬做眼露绦冗丑吟彰凤噪燥趣连鸭斧竹睁碌哉1（5m）3（5m）2（5m）7）、进出洞口八字墙基础和墙身片石砼施工，所用石块厚度不小于150mm，严格控制片石加量不大于浇筑砼总体积的25%，所加片石确保表面无粘土、无风化及薄片，卵形和薄片及有裂缝和易风化的石材不得采用，片石强度不低于30Mpa，片石在使用前冲洗干净，并均匀放置在刚浇筑的混凝土上，其净距不小于10cm，片石表面离开基础表面距离不小于15cm。l重庆外环高速钢筋砼拱式通道施工技术方案K157+861 1-43m钢筋砼拱式通道首件工程施工技术方案advantages, facing the Yangtze River Delta, Pearl River Delta, Shandong peninsula, Beijing-Tianjin-Tangshan area, targeted investment promotion several times. Industry-led unit and various town st久