城市浅埋硬岩大断面隧道施工工法(新奥法施工-隧道开挖-附示意图).doc

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System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预工法编号：TLEJGF-0304-35、GZSJGF 07-03-08城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预中铁隧道集团三处 唐果良 刘建国 邓青平城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预一、前言城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预随着我国城市建设事业的发展，地面空间已不能满足城市功能的需要，向地下拓展空间已成为城市建设的新方向。城区隧道与山岭隧道差别很大：一是位于市区，周边建筑较多，开挖爆破需要严格控制；二是城市地铁车站，商场的断面大，远大于铁路三线隧道。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预城市浅埋硬岩大断面隧道施工工法是依据新奥法原理，采用双侧壁导洞预留核心岩柱的方法开挖，通过综合减震措施减小爆破开挖时的地震动，保护周边环境，使用全断面整体式钢模台车进行二次衬砌，同时采用综合监测手段对施工过程进行动态监控和实时处理的一个工程工法，它在重庆轻轨较新线一期工程临江门车站工程建设过程中形成。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预二、工法特点城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1、采用双侧壁导洞预留核心岩柱的方法开挖，二次衬砌紧跟核心岩柱上部开挖，控制二次衬砌面与核心开挖面的距离，从而减小变形，控制地表沉降，保证工程安全。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预2、紧临建、构筑物的开挖爆破通过超前导洞先行、预留光爆层光面爆破、周边密排空眼减震、开挖面增打减震孔、非电不对称起爆网络等综合减震技术减小爆破震动效应，保护周边环境。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预3、采用全断面整体式钢模台车进行二次衬砌，保证结构的整体性和防水效果，加快施工进度，从而保证工程质量，提高经济效益。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预4、采用综合监测技术，实时反馈信息，动态修正施工方法和支护参数，确保工程安全。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预三、适用范围城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1、适用于新奥法指导施工的大断面、特大断面隧道及地下工程（即开挖宽度18m及以上，开挖高度12m以上）。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预2、紧临既有建筑物需要采用控制爆破开挖，级围岩的浅埋暗挖特大断面地下工程。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预3、围岩较完整较厚层的软岩，中硬岩硬岩。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预四、工艺原理城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1、采用双侧壁导洞预留核心岩柱的方法，将大跨减小，大断面隧道分割成几个小洞室分部施工，利用核心岩柱作为支撑，从而控制变形，保证安全。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预2、以控制爆破理论和新奥法理论为基础，通过各种综合减震手段，减小爆破开挖时的地震动效应，同时减小开挖爆破对围岩的扰动，从而保护周边环境，提高围岩自稳能力，保证工程安全。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预五、施工工艺城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预（一）施工工艺流程城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预施工工艺流程详见图1。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预（二）开挖步序城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预开挖步序详见图2。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预侧壁2部导洞开挖支护临时支撑分段拆除同部开挖核心4部侧壁3部导洞开挖支护6部全断面衬砌施工核心5部开挖核心7部开挖侧壁1部导洞开挖支护仰拱8部开挖仰拱9部开挖仰拱及铺底砼施工双侧壁错开步距同时施工内部装修竣工交验施工准备图1 施工工艺流程图地表、管线、建筑物、隧道变形、爆破振动、支护受力及衬砌受力监测城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预图2 隧道开挖部序图城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预说明： 1. 临时中隔墙采用50mmC25喷射混凝土及长500mm22锚杆支护，以20b工字钢支撑加强，钢支撑每500mm一榀，临时锚杆采用普通药包锚杆。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预2. 图中阿拉伯数字表示开挖及施工二次衬砌部序，罗马数字表示初期支护及临时支护部序。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预（三）说明城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1、双侧壁上导洞1的开挖，施工该部初期支护（包括锚杆、喷射混凝土及格栅拱）、临时中隔墙及其支护、临时型钢支撑，左右两侧齐头应错开50米以上。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预2、双壁中部导洞2的开挖，施工该部初期支护、临时中隔墙及其支护、临时型钢支撑，左右两侧开挖齐头错开2d（d为跨度）。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预3、下部导洞3的开挖，施工该部初期支护，临时中隔墙及其支护。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预4、施工3部边墙基础仰拱钢筋混凝土。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预5、拆除临时中隔墙及其支护、。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预6、隧道拱部4的开挖，施工该部初期支护。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预7、核心5部的开挖。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预8、采用模板台车施工隧道拱墙全断面二次衬砌6（控制二次衬砌面与核心岩柱开挖面的距离）。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预9、隧道核心土7部的开挖。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预10、隧道仰拱8部开挖。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预11、隧道9部仰拱钢筋混凝土及仰拱填充。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预（四）施工方法及注意事项城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1、施工准备城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1.1 熟悉设计图纸，调查收集工程环境、周边建、构筑物的基础资料。评估工程施工对周边环境、建筑物的影响及控制指标。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1.2 分析工程重点、难点及风险，制订详细的施工方案和措施，针对关键工序如爆破开挖、二次衬砌砼浇灌编制作业指导书。设计制作全断面整体式衬砌台车。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒功异述坞饲痒荆峦墩层辜简朴基梳蹬靛赶与组咳呕绸收烘绩锚基汀公身怠核宪悬敲歉筋危毋忆索咖预1.3 编制监测方案，在分析工程重点、难点及风险的基础上，针对性的选择关键部位、关键断面作为重点监测对象，根据工程风险及难度选择合适的监测项目、监测频率和监测密度。布置地表及周边建、构筑物的监测点，监测仪器。城市浅埋硬岩大断面隧道施工工法(新奥法施工,隧道开挖,附示意图)specifications; System code requirements; System functions; System operating instructions; Equipment list; System wiring diagram; System of examination and approval information; Design drawings; Room layout; System completion monitoring report la圭冯咽摹辛岂鼠堕怔顾歧擒铜阜所希清柑烧醒