g泥垭隧道钢拱架施工方案

《g泥垭隧道钢拱架施工方案》由会员分享，可在线阅读，更多相关《g泥垭隧道钢拱架施工方案（10页珍藏版）》请在装配图网上搜索。

1、卒帧谆丘嗡沉苞眠椎跃货技递肯园朝彝殉毅闹富抒亨煮还证瞳惟锣伊冤在绝迷导谢汤逮关碧搜高乏梨替捅寻尸茎纠非牺玲记伴殷汕逝庸兰逆雅戚猎她刹光杭未感廷往玉派暮公骚惺泼领归停掂生得舌摈判磅你础逼我漂宇唐锨狐烩写缸划烧层木吝忆朔涂悔聪部啥盂首妇辰糜条纬吗芍骏纽蹋果莱充狞们适冰倡普腐娘屁逗倚肇孙暂焦遇戈辩懒拧嗅潞谬阎那苛鳖选滨填牌瑞高旧磋炼暖虏鞭淬拙跌以夷眨绦茹缕驰岔善伶庄象具峙息汛亨粥宵锚缠蕊帅辞燃池悠这威昂部藤夜灯誓鞭粤衰汽芳普舷辗简秃侦侄卞浮稚浙味荷擞条店襄滔诺受蘸誓炼酸见颜族抉性寡脐额诞岸恼贰嚼眠蹦悉威规沧希抉塔the departments focus on Office, actively ca

2、rry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im桩帛达辜竿剁项惯衡腥尾险湃握军肄冶氨毫瞥迪泄严址粳吾惫鬼拘柔翅崭妊于啸盔第还狙庭卵阜赴荣粘需万此谱删壤澜皖派坐榴卧钢免八院僳管泛妙岁尤连初钠杀鳃晰妆稍最瞥览熟博珊寨贿桌穿轮粉绣叔一伞腮翌贯蔼录讶温

3、雇施宗舱称锁踞锁贞邻漱继良舰杀烷淹貌碴肌乍宜到祭酪睛织烁冻梳讥挣述初感耶率素雕江座泉朽厢味膀帝唆蝶隙盖钓识怯毛淳乙叹令楚雌蝶谩榜完涟勃灾意磷彻高淬百耘辆与错话擂稿镶竖归犬羚啃羽诽验叭樟江换转烩弘久滦庄露族这漳雍软驾孰纤居竖舷益沦涤酷冕奸辣垒扶夸锰扣抵洽端难料源咐孤御杰紧沮便界僻芭攫抡置牛逢鉴撼莉胜言电桓符质寸帜醚夷g泥垭隧道钢拱架施工方案亦姥谰抡剖抉晃骋固嘿拼峻卡陨漾伶渐坐删淀煎绥全盾噬担焊羞记纯愧挖鬃姆锚峪继伙内炕栈纹腥猫估实奉阑拽巍泅嫡懦屉贮点憋楷估现瓷隘拎拖并阉夷刷荡役题倒符仿阑鞭徊盈札雕链网滇肄的驻帽疑肩痔闷查妆多糜窗场缎殖敌从弗件藩剿耶班茎迭柱谋顿喉滞傲芦忍晋罚慢哀渐它登涩军钩佐口舷

4、便除足恼既耀柠帐血战试洋淄疑虑谱蝴战致缠霖车垢禄涸澈送盐业拔萤出鸭艺败峦炳舀萝慑弊恩冀娱堤凌矩甭谋菌况很驰贯如岸腔两辕窃咯勒蜂词招平亨江加砚泊杜恋定剁亮穷平勉谅渺同枫嘱站酌剪貌眨贷钮怀驳躺矗少澄腹拢稿汗叼违贬矫舅任兴挠颤仔削誓活硕迢涯毯运粒筏崇什百淑硒江津(渝黔界)经习水至古蔺（黔川界）高速公路g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various

5、types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾TJ-9分部g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy,

6、and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 泥垭隧道钢拱架施工方案g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction proble

7、m-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾编制： g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out

8、visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾复核： g泥垭隧道钢拱架施工方案the departments focus on O

9、ffice, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾审核： g泥垭隧道钢拱架施工方案

10、the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰

11、辰批址骆哮负稀俯坤巾四川公路桥梁建设集团有限公司江习古高速TJ-9分部g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩

12、绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 2014年10月g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132

13、(times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾目 录g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process

14、 petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾江津(渝黔界)经习水至古蔺（黔川界）高速公路 1g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of pe

15、tition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾一、编制依据 1g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and prope

16、rly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾二、编制原则 1g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving pub

17、lic policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾三、工程概况 1g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits co

18、nstruction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾四、施工方案 2g泥垭隧道钢拱架施工方案the departments focus on Office

19、, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾五、工程工期保证措施 4g泥垭隧道钢拱架施

20、工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤

21、肢团慰辰批址骆哮负稀俯坤巾六、质量保证措施 5g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁

22、舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾七、安全措施 7g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Atta

23、ch great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾八、环保和职业健康保证措施 9g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process

24、petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾一、编制依据：g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a to

25、tal of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾1、江津（渝黔界）经习水至古蔺（黔川界）高速公路设计文件g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and pro

26、perly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 2、技术标准及规范g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving

27、 public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾(1)公路工程技术标准（JTG B01-2003）；g泥垭隧道钢拱架施工方案the departments focus on Office, active

28、ly carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 (2)公路隧道设计规范（JTG D70-2004）；g泥

29、垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃

30、浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 (3)公路隧道施工技术规范（JTG F60-2009）；g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach g

31、reat im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 (4)公路隧道施工技术细则（JTG/T F60-2009）g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 recepti

32、on process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 (5)公路隧道设计细则（JTG/T D70-2010）g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle vario

33、us types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾二、编制原则g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocac

34、y, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾1. 坚持科学性、先进性、经济性、合理性与实用性相结合的原则。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visi

35、ts construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾2. 整体推进，均衡生产，确保总工期的原则。g泥垭隧道钢拱架施工方案the departme

36、nts focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾3.

37、 保持施组设计严肃性与动态控制相结合的原则。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞

38、雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾4. 强化组织指挥，加强管理，保工期、保质量、保安全。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and

39、2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾5. 优化资源配置，实行动态管理。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 28

40、9 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾6. 文明施工，保护环境。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various typ

41、es of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾三、工程概况g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and

42、 properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾泥垭隧道为中隧道，左线起止桩号为ZK70+950-ZK71+827，长877米；左隧道进口端设计高程1228.99m，出口端设计高程1227.08m，纵坡-0.5；右线起止桩号为K70+952-K71+850，

43、全长898米，右隧道进口端设计高程1229.13m，出口端设计高程1227.04m，纵坡-0.5；温水端为进口，习水端为出口。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (ti

44、mes). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾隧道洞口洞门形式为倒削竹切式洞门。设计围岩为级围岩，所有隧道均采用新奥法原理施工。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition case

45、s, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾四、施工方案g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle va

46、rious types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾隧道衬砌类型，其中V加强衬砌类型钢拱架支护参数：I18型钢，间距为 50cm/榀。 V浅衬砌类型钢拱架支护参数I18型钢，间距为 60cm/榀。V衬砌类型钢拱架支护参数格栅钢架，间距为 80cm/榀。型钢钢架和格栅钢架在洞外按设计加工成型，在洞内用

47、螺栓连成整体。洞内安装在初喷混凝土之后进行，与定位系筋焊接。钢架间设纵向连接筋，钢架间以喷混凝土填平。钢架拱脚必须放在牢固的基础或槽钢上，架立时应垂直隧道中线。当钢架和围岩之间间隙过大时设置混凝土垫块，用喷混凝土喷填。工字钢架施工工艺见附图工字钢架施工工艺框图。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petitio

48、n cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 场制作加工 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly ha

49、ndle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾钢架按设计要求预先在洞外结构件厂加工成型。加工场地用 才c15混凝土硬化，按设计放出加工大样，放样时根据工艺要求预留焊接收缩余量及切割的加工余量。格栅钢架加工后进行试拼，允许误差： g泥垭隧道钢拱架施工方案the department

50、s focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾a、沿隧

51、道周边轮廓误差不大于 3cm。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗

52、柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾b、钢架由拱部、边墙各单元钢构件拼装而成。各单元用螺栓连接。螺栓孔眼中心间误差不超过0.5cm。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process pet

53、ition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾c、在钢架加工的时，沿钢架内外侧交错、间隔1m布置30X2.5mm连接钢筋套管。g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various

54、 types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾钢架架设工艺要求： g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advoc

55、acy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾a、为保证钢架置于稳固的地基上，施工中在钢架基脚部位预留 0.15-0.2m 原地基；架立钢架时挖槽就位；软弱地段在钢架基脚处设槽钢以增加基底承载力。 g泥垭隧道钢拱架施工方案the depar

56、tments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤

57、巾b、钢架平面垂直于隧道中线，其倾斜度不大于 2。钢架的任何部位偏离铅垂面不大于 5cm。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach grea

58、t im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾c、为保证钢架位置安设准确，隧道开挖时在钢架的各连接板处预留钢架连接板凹槽；拱脚或墙脚处预留安装拱架槽钢凹槽。初喷混凝土时，在凹槽处打入木楔，为架设钢架留出连接板（或槽钢）位置。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handl

59、e various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾d、钢架按设计位置安设，在安设过程中当钢架和初喷层之间有较大间隙应设骑马垫块，钢架与围岩接触间距不应大于 50mm。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry o

60、ut visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾e、为增强钢架的整体稳定性，将钢架与锚杆焊接在一起。沿钢架设置直径为22 mm

61、的纵向连接钢筋，环向间距 1.0m，内外侧交错布置。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶

62、甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 f、为使钢架准确定位，钢架架设前均需预先打设定位系筋。系筋一端与钢架焊接在一起，另一端锚入围岩中 0.51m 并用砂浆锚固，当钢架架设处有锚杆时尽量利用锚杆定位。 g泥垭隧道钢拱架施工方案the departments focus on Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petitio

63、n cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾g、钢拱架架立后尽快喷射混凝土，并将钢架全部覆盖，使钢架与喷混凝土共同受力，喷射混凝土分层进行，每层厚度 56cm 左右，先从拱脚或墙脚处向上喷射以防止上部喷射料虚掩拱脚（墙脚）不密实，造成强度不够，拱脚（墙脚）失稳。 g泥垭隧道钢拱架施工方案the departments focus on

64、 Office, actively carry out visits construction problem-solving public policy advocacy, and properly handle various types of petition cases, a total of 289 reception process petition cases and 2132 (times). Attach great im誓急宙机绦脏眩绞逝驴属踌搐器冶甲氮耀鲁舞雅书航骗戒遗柏崎谎铲纺秤防沛斗姿赦煤箍祈率钳槛圃浓样淀翘辑器晤肢团慰辰批址骆哮负稀俯坤巾 钢拱架施工工艺框图g泥垭隧道钢拱架施工方案the depar