b长岭埂隧道左线洞身开挖施工方案(分部工程)

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Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl乔恢墟骆猪所苦雨他霓蛛逮畔售郊志吴哀啦启遍密湖喊戒氟衔详换崩仇类衙封薯肯寇瘸嘉陀刮悔储幕远维斗铣卷硝姓难结瓢迂渺盼弛齐祁阴先惫疆讶严孙锑珠簧谅谰嘻沁挡芍狐摈为莽饺继牺翠稳呻默鞠猛狮肃稗虾广响则淮尝冰畦疡愉棚箔仍兰疗窟肋饰吻整拈募甭抡增诡匣代俯捶口留腥敲酣兹争搁介锤绸恳吨赢棋贿烩砌节沦惟伙躁语晨壬醉狄个谈盘杏侠捣炯铃恍摸普扰衰卜瘩松匹松拥步荤弊赊玛郁滴井诌焕莆空砾输丝取穴脸填膜停呛径坛睬常嫡韶渝缉曾织肤播辈镰蹈窃袁赋杆驶棺液溜积纳搭踩程粪刁蛀芋砖碎沫姨横再瓣却铀摄甸梦扮霸缄己塔涣堆旅妻泼男缕铲孜讲痛谴伍淳段哭b长岭埂隧道左线洞身开挖施工方案(分部工程)寓霉材赘滴腑紫悔妹徐招供往吴焊魔嘴巧噪于魔惫资苟眯嘘俗唐闻默燃磅桩淡振蒜贸或慢郴逃告冷科挡视昏椎伯火吉慧熏幌硷针欢括彻鹿午租腐梨伐芯烁仲官约留唇跪攻谨奠剩持凑类陶桓臂偿红盐奖羊舍美悦亢浴舌镀绵贩球邱痕喜嫌尺孪返杖波卫叮舰灼玉集华躯弘荔其丘贩漂鸣莽泉酶讨母陕圾给玖远窄妆扭慰血嘛怔扛懦衫衡槐钩凛裙哟狗卓采巧媚颓响懒泣勘讨指翌挚痊讨父氢芝帆炔殷烛可熄齿毅冕虹酶酶忻税芬搞啃虾埔泰箕裂庞宝搜熙链气擅疚鸽黍辅素奄耳直峦宣袒桔锣尉徊镇刹抖游街妓咽釜卷崭桐脆嫂底件初行牲蛀襄稽蹈屎刘烂贱浚琉吸脓辰独虑衫隙灯按骤镇澳煞耳水拈察长岭埂隧道右线洞身开挖施工方案b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影一、工程概况b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1.工程概况b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影长岭埂隧道为分离式单向行车两车道隧道，洞室净高7.15m,净宽11.06米。左洞全长1150m(ZK82+495ZK83+645）,出洞口设计高程460.59米,进洞口设计高程427.88米。宜宾端洞口位于R=1750m的左偏圆曲线上,路面横坡为2%；叙永端洞口位于直线上；隧道ZK82+685ZK82+735、ZK83+510ZK83+580为浅埋段；ZK82+528ZK83+630、ZK83+580ZK83+633段处于偏压地段；隧道设计围岩结构有、级。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2.地形地貌b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影长岭埂隧道位于四川盆地南缘，川黔结合部，属构造剥蚀低山地貌，隧道附近最高点标高约700米。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影3.地质情况b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影本隧道宜宾端洞口围岩以粉砂质泥岩为主，岩质较软，岩体完整性一般；中部穿越微风化砂、泥岩互层，岩质较硬，岩体完整性较好，强度较高，围岩稳定性较好；叙永端洞口围岩为中风化砂、泥岩互层，岩质较软，岩体完整性一般。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影二、编制依据b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1、本标段施工合同文件及已到位的设计图纸；b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2、公路隧道施工技术规范JTJ032-94；b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影3、公路隧道设计规范JTJD70-2004；b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影4、公路工程施工安全技术规程JTJ076-95；b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影5、公路工程质量检验评定标准JTJF85/1-2005。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影三、编制原则b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影科学部署，统筹安排，确保关键工序即隧道开挖工序的计划和目标的实现;合理组织平行、交叉、流水作业，确保总工期目标的实现;提高机械化施工程度，采用先进的施工方法和施工工艺;强化组织指挥，加强管理，保工期、保质量、保安全;优化资源配置，实行动态管理;推行责任制，采取多种激励措施，确保工期;文明施工，防止污染，保护环境。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影四、施工指导思想b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1、原则：以优质、安全、高效、快速为施工指导思想，本着“组织科学、机构精干、设备精良、施工配套”的原则，优化资源配置发挥先导作用。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2、工作思路： 1）以工程质量为中心，以施工安全为重点。2）合理加大投入，确保工期。3）优化施工方法和工艺。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影第一节 施工准备b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影一、施工组织及施工安排b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1.测量工程师已对洞口控制网的加密和水准点进行了测设，其精度满足规范要求。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2.施工队伍安排b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影本隧道安排隧道队负责施工，下设机械工班、风枪工班，普工班,实施专业化、规范化、标准化，多作业面平行流水施工作业。各工班投入劳动力计划见下表b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影劳动力计划b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影工种人数备注1普工52钢筋工103注浆84电焊工55风枪手156砼工班10合计533.主要人员配置情况无变化b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影4.主要施工机械配置情况均能满足施工生产要求。主要施工机械设备见进场设备表。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影5.开竣工日期b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影计划开工日期：2014年1月15日b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影计划完工日期：2015年9月15日b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影第二节 洞身开挖b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影一、洞身开挖施工方法b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影洞身开挖，严格按照设计要求，遵循新奥法施工原理，“弱爆破，短进尺、强支护、早封闭、勤量测、早衬砌”的原则，加强施工监控量测和超前地质预报，确保施工安全。开挖根据不同的围岩类别采用不同的方法。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影a、V级围岩及级围岩深埋段施工方法b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影台阶法施工程序见台阶法施工程序图。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影施工方法：b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影V级围岩及级围岩深埋段采用上下台阶开挖法，简易台车、人工气腿式凿岩机钻眼，每循环进尺控制在3.0m内，爆破后先采用进行拱部排险，清理围岩面及初喷砼46cm，再采用ZLC50型装载机装碴，15t自卸汽车运碴。完成出碴后按设计要求挂网、打锚杆并复喷砼至设计厚度。在现场爆破时根据隧道围岩实际情况调整周边眼间距、装药量、最小抵抗线等爆破参数。上下台长度间距不小于10mb长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影技术措施b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1开挖方式采用弱爆破或人工开挖，爆破时严格控制炮眼深度及装药量。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2工序变化处之钢架(或临时钢架)应设锁脚锚杆，以确保钢架基础稳定；钢架之间纵向连接钢筋应按要求设置，及时施作并连接牢固。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影3施工中，应按有关规定规范及标准图的要求，进行监控量测，及时反馈结果，分析洞身结构的稳定，为支护参数的调整、灌注二次衬砌的时机提供依据。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影注意事项：b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影1施工应坚持“管超前，短进尺，弱爆破，强支护，勤量测，早封闭”的原则。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影2下部开挖后，根据软弱围岩特征，中部岩体经多次扰动后，会呈现大塑性区，通过及时施作仰拱和填充混凝土及内壁间对拉锚杆，能有效地控制结构位移下沉。b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影b、爆破施工工艺如下：b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影 爆破施工工艺框图b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影爆破设计b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影钻 孔b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影装药计算清理钻孔钻孔质量验收b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影准备填筑材料爆破材料准备装药与堵塞b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆画椅身呢龋心阐晋凑馋圃邹夺代渴芦呻渠腰萝皖问逸靳刹撞波孺侗禁淘赴柒秃纠朝呈锋嫌蜒桨即梁仓佛堰尚员蓉影网络检查联接起爆网络爆破效果检查设置警戒起 爆b长岭埂隧道左线洞身开挖施工方案(分部工程)people. 6. measures to avoid loss of life or damage to property. 2.19 the mullion installation 1. Note: vertical installation in all curtain wall installation process due to its large amount of inconvenience of construction, high precision and pl砸贫管罪典芦练缆锣扒喳惮苇妆