中铁隧道股份有限公司盾构施工作业细则 下载本文

盾构作业细则

2.2 隧道内水管延伸 ························· 51 2.3 供水要求 ···························· 51 2.4 供排水系统图 ·························· 52 2.5 排水要求 ···························· 52 §3 通讯电缆的延伸 ··························· 52 3.1 电话线的延伸 ·························· 52 3.2 网络数据线的延伸 ························ 52 3.3 延伸距离 ···························· 52 §4 轨线延伸 ······························ 53 §5 安全人行通道 ···························· 53 5.2 安全通道的设置 ························· 53 5.3 质量、安全文明措施 ······················· 53 第10章 渣土运输作业细则 ························· 53 §1 洞内水平运输 ···························· 53 1.1 有轨运输 ···························· 53 1.2 泥水管道运输 ·························· 54 1.3 皮带运输(详见图15) ······················ 55 §2 出渣口垂直运输 ··························· 55 2.1 垂直提升设备的选择 ······················· 55 2.2 门吊操作技术规范 ························ 56 §3 渣土外运 ······························ 57 第11章 注浆作业细则 ··························· 57 §1 盾构施工注浆的一般两种类型 ····················· 57 1.1 同步注浆 ···························· 57 1.2 二次补强注浆 ·························· 57 1.3 同步注浆及二次补强注浆参数 ··················· 57 §2 注浆一般程序 ···························· 57 2.1 材料要求 ···························· 57 2.2 浆液的生产 ··························· 58 2.3 浆液的运输与贮存 ························ 58 2.4 注浆顺序 ···························· 58 2.5 注浆系统操作 ·························· 58 §3 质量、安全、环境保护、文明施工管理要求 ··············· 59 第12章 盾构施工测量与监测作业细则 ···················· 60 §1 测量作业细则 ···························· 60 1.1 测量仪器配备 ·························· 60

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盾构作业细则

1.2 测量的手段 ··························· 60 1.3 测量的内容 ··························· 60 1.4 测量复核制度 ·························· 63 §2 施工监测 ······························ 64 2.1 施工监测方案的编制 ······················· 64 2.2 盾构区间隧道监测项目及频率表 ·················· 64 2.3 突发情况下的监测应急措施 ···················· 64 2.4 特殊地段的监测 ························· 64 2.5 信息分析、反馈、管理 ······················ 64 第13章 安全用电作业细则 ························· 65 §1 盾构工程施工临时用电概况 ······················ 65 §2 施工场地临时用电系统 ························ 65 2.1 主要施工设备功率 ························ 65 2.2 生活区办公区用电功率 ······················ 65 §3 盾构用电 盾构变配电系统 ······················ 66 3.1 盾构供电 ···························· 66 3.2 供电安装要求 ·························· 66 3.3 配套常规设备用电 ························ 66 §4 高低压电缆延伸 ··························· 67 4.1 高压电缆的延伸 ························· 67 4.2 低压电缆的延伸 ························· 69 §5 安全保护措施 ···························· 69 5.1 接地保护 ···························· 69 5.2 接地设备要求 ·························· 69 5.3 防雷保护 ···························· 69 5.4 漏电保护 ···························· 70 5.5 行程限位保护 ·························· 70 5.6 相序保护 ···························· 70 5.7 配电箱及设备防雨 ························ 70 §6 用电管理操作规程 ·························· 70 §7 用电安全人员管理 ·························· 71 §8 实行用电管理奖罚制度 ························ 71 §9 实行电工巡检记录制度 ························ 71 第14章 油水检测及故障诊断作业细则 ···················· 73 §1 油水检测 ······························ 73 1.1 油水的质量管理: ························ 73

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盾构作业细则

1.2 油样的抽取及保存: ······················· 74 1.3 油水检测周期 ·························· 76 1.4 润滑油磨屑检测分析 ······················· 76 1.5 油品检测结果的记录 ······················· 76 1.6 油品的更换 ··························· 76 §2 盾构机状态监测、故障预报、诊断 ··················· 78 2.1 盾构机主要监测控制的项目及内容 ················· 78 2.2 盾构机状态监测应用的诊断技术 ·················· 78 2.3 受控设备周检表 ························· 2.4 故障预报: ··························· 2.5 故障诊断 ···························· 2.6 检测与设备维修保养 ·······················

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盾构作业细则

盾构作业细则

说明:本作业细则以海瑞克土压平衡式盾构、复合型土压平衡盾构、泥水加压式盾构为例。

本作业细则涵盖了盾构组装、盾构拆卸、盾构过站及调头、盾构过矿山法隧道段、盾构操作、刀具更换及维修、盾构维修保养存放、管片拼装、管线延伸、渣土运输、注浆、盾构施工测量及监测、安全用电、油水检测及故障诊断等部分,本细则是对《盾构机管理办法》的补充和完善。

第1章 盾构组装作业细则

§1 准备工作 1.1 组装场地的准备

盾构组装前应对组装场地进行布置和必要的加固,加固标准有现场负责施工的土木技术人员进行核定,以满足盾构大件组装和运输的要求。 1.2 洞门凿除、洞门密封的安装

洞门凿除前首先打水平探孔检查洞门土体加固质量,然后再根据检验情况进行下一部的工作。当加固质量达不到要求时进行补充加固;当加固质量满足要求时开始进行洞门连续墙的凿除。洞门凿除施工分两次进行,第一次先将围护结构凿除,将第一层钢筋切割,保留内层钢筋和保护层;在盾构始发前将最内层钢筋割除,(根据地层加固情况,割除钢筋采用由上到下的顺序进行)确保没有钢筋侵入刀盘出洞轮廓范围之内。

洞口密封环安装主要是防止背衬注浆浆液和地层水土外泄,并在帘布橡胶迎盾构机面涂润滑油以避免盾构机刀盘挂破帘布橡胶板。先用圆环板固定帘布橡胶板,再安装折叠合叶压板。同时还要准备必要的防止漏浆的物资和机具。 1.3 始发架的定位

始发架的定位工作由负责施工的测量人员完成,并报土木负责人复核。 1.4 组装机具的准备

盾构组装一般准备如下主要机具(详见表1):

表1 盾构组装专用设备(机具)准备

序号 1 2 3 4 设备(机具)名称 始发台架 反力架 液压千斤顶 液压泵站 规格型号 1

单位 套 套 台 台 数量 备注