浅埋暗挖隧道专项工程施工方案.doc
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1、Gay is now a provincial key construction project of aluminum Ltd-province with an annual output of 50,000 tons of technical innovation project of environmental protection and energy saving of electrolytic aluminum project manager. In this technological transformation projects, he has overall respons
2、ibility for the day-to-day affairs of the project. In order to ensure that southern companys control the scale of investment, strengthen field management, pay special attention to project progress, and ensure a successful operation, the overall goal. He and Engineering Department under the leadershi
3、p of all the staff in the companys technical command, on the difficulties and to overcome technical difficulties in the process, work hard, have made outstanding achievements, mainly reflected in the following aspects: first, careful organization and management achieved remarkable results. Technical
4、 innovation project of the year, started and completed a series of bids and completed to date, from production engineering to put into production after nearly a year, has achieved very significant results. A project first 56 slots from dismantling the old slot just 168 days, civil engineering, insta
5、llation, commissioning, guarantee engineering quality under the premise, on the production side transformation under difficult conditions, created the national industrys fastest speeds. II 32 large prebaked electrolytic cell on November 7 has been installed, marks has an annual production capacity o
6、f 50,000 tons of electrolytic aluminum production capacity of aluminum. Entire project almost 8 months earlier than planned, achieved the goal of production transformation benefits that year, created favorable conditions for aluminum through South. Second, effectively control the investment. Project
7、 is subject to a scientific approach to bidding, bidding to make savings of 20 million Yuan, in the implementation process of the project, every domestic prices of steel, cement and other building materials, the old buildings on the base encountered great difficulties in dealing with significant inc
8、rease in the volume of civil engineering, but through rationalization and optimization, project control in fixed investment of 350 million Yuan. Third, environmental energy-saving effect of the project. Project investment of nearly 30 million Yuan, using large prebake technology and aluminum oxide d
9、ense phase and hyper dense phase conveying technology, fluoride and other harmful gases purification efficiency of up to 98%. Compared with Soderberg cell before the modification, power consumption can be reduced by 1500 tons of electrolytic aluminum, and project environmental protection and energy
10、saving effect is obvious. Four are in a relatively short period of time to the normal production. After four months of efforts, a project has put into operation all the 54 240KA large cell into regular production, stable current channel conditions and all the economic indicators are good, current ef
11、ficiency in October had reached 93%, is close to and reach the domestic advanced level. In the case of production half of the cell, this effect can be achieved and better level in the industry. 50,000 tons of electrolytic modification process, from preliminary study to equipment selection, cost cont
12、rol, project progress, quality control and coordination among the various sub-projects and various professional, technical command under the correct leadership, both from an overall perspective, emphasis on integrity, and earnestly implement the relevant laws and regulations, strictly act according
13、to the contract. He tried to learn relevant knowledge, good style of business, operational and organizational coordination ability, project efficiency, quality and safety assurance system in place, with all units involved with the coordination and good . 暗挖隧道施工方案 环岛路(鳌山路-高殿二号)工程标环岛路(鳌山路-高殿二号路段)工程标浅埋
14、暗挖隧道专项工程施工方案编制: 审核: 批准: 中铁十八局集团有限公司厦门环岛路(鳌山路-高殿二号路)道路工程标段项目经理部2014年12月3日目录第一章 编制依据及原则- 3 -1.编制依据- 3 -2.编制原则- 3 -3.主要技术规范及标准- 3 -第二章 工程概况及施工特点- 5 -1.工程概况- 5 -1.1 工程简介- 5 -1.2 地质概况- 7 -1.3 水文地质- 10 -1.4 气候条件- 11 -1.5 地震烈度- 11 -1.6 工程环境- 11 -2.施工特点- 11 -第三章 总体施工部署及施工方案- 12 -1.总体管理目标- 12 -2.总体施工概述- 12 -
15、3.施工组织机构及资源配置- 12 -3.1 施工组织机构- 12 -3.2 机械设备的投入- 13 -4.暗挖隧道结构设计- 14 -5.暗挖隧道施工方案- 15 -5.1施工步序- 15 -5.2 隧道进洞- 17 -5.3 超前支护- 21 -5.4 初期支护- 29 -5.4 洞身衬砌- 32 -5.5 隧道防排水- 33 -5.6 隧道附属结构- 34 -5.7 隧道风、水、电设计- 35 -6.监控量测- 37 -6.1.监测项目- 37 -6.2.暗挖隧道监测点布设- 38 -第四章 施工安全技术保证措施- 45 -1.安全保证措施- 45 -1.1安全管理目标- 45 -1.2
16、安全管理方针- 45 -1.3安全管理组织机构和网络- 45 -1.4安全管理组织措施- 47 -1.5安全管理预防措施- 47 -2.隧道施工主要危险源及安全技术措施- 47 -2.1出渣- 47 -2.2支护- 48 -2.3衬砌- 48 -2.4 隧道洞内排水- 49 -2.5 隧道施工工法转换- 50 -2.6 施工安全保证措施- 50 -3.环境保护措施- 52 -3.1噪声控制措施- 52 -3.2城市生态控制措施- 52 -3.3水污染控制措施- 52 -3.4大气污染控制措施- 53 -3.5固体废弃物控制措施- 53 -3.6工地保洁- 53 -4.质量保证措施- 53 -4
17、.1建立健全组织机构- 53 -4.2 施工过程质量控制措施- 54 -4.3主要工程项目质量保证措施- 55 -第一章 编制依据及原则1.编制依据(1)环岛路(鳌山路-高殿二号路段)工程标施工图设计及相关设计资料文件。(2)环岛路(鳌山路-高殿二号路段)工程标施工招投标文件,以及工程量清单。(3)国家及当地政府有关法律、规程、规则、条例和规定,交通部、建设部现行的设计规范、施工规范、验收标准、技术规范。(4)环岛路(鳌山路-高殿二号路段)工程标暗挖隧道施工现场实地勘察和技术调查资料。(5)本工程的特点、工期要求及周围的环境因素等。(6)环岛路(鳌山路-高殿二号路段)工程标施工合同文件。2.编
18、制原则(1)遵循设计及规范要求正确理解设计文件,遵循设计及规范要求,制定切实可行的施工方案。(2)确保工程安全充分认识本项目的工程地质、水文地质及周边环境的特点,结合地下工程的施工特点,应用可靠的技术和工法,以信息化的手段,确保工程安全。(3)确保工期目标优化施工组织,合理组合施工机械,精心配置资源,采取操作性强的技术措施,确保节点工期实现,最终保证总工期目标的实现。(4)确保工程质量确立对工程质量终身负责的观念,完善质保体系,严格过程控制,精益求精,确保工程质量达到制定目标。(5)以人为本的原则以人为本,构建和谐项目,保障职工职业健康,文明施工,减少扰民。3.主要技术规范及标准(1)建筑地基
19、处理技术规范(JGJ79-2002)(2)建筑基坑支护技术规程(JGJ120-99)(3)公路工程施工安全技术规程(JTJ076-95)(4)地下工程防水技术规范(GB50108-2008)(5)混凝土结构工程施工质量验收规范(GB50204-2002(2011版)(6)公路隧道施工技术规范(JTGF60-2009)(7)铁路隧道设计规范 (TB10003-2005)(8)建筑地基基础工程施工质量验收规范(GB50202-2002)(9)铁路隧道设计规范(GB12523-2011)(10)建筑与市政降水工程技术规范(JGJ/T111-98)(11)公路工程混凝土结构防腐蚀技术规范(JTG/TB
20、07-01-2006)(12)混凝土泵送施工规程(JGJ/T10-95)(13)钢结构工程施工质量验收规范(GB50205-2001)(14)铁路隧道喷锚构筑法技术规范 (TB10108-2002)(15) 混凝土结构防火涂料 (GA982005)(16) 电力工程电缆设计规范 (GB50217-2007)(17) 铁路技术管理规程第二章 工程概况及施工特点1.工程概况1.1 工程简介环岛路(鳌山路-高殿二号路段)工程标起点位于海堤路下,终点往长岸路方向接杏林大桥左右线辅道,桩号范围为ZK1+738ZK2+870,YK1+740YK2+892.270,线路总长1.152km。本项目隧道工程是整
21、个项目的控制性工程,是制约整个项目工期的节点工程。隧道工程可分为明挖回填施工段(ZK2+038ZK2+229,YK2+050YK2+211)和暗挖浅埋施工段(ZK1+738ZK2+050,YK1+740YK2+038)。其中,暗挖浅埋施工段是隧道施工的难点。暗挖隧道具有地质条件差,地下水丰富、埋深浅、下穿铁路线多等特点。图2.1 环岛路工程标平面示意图通过临时竖井进入隧道正洞进行开挖的下穿铁路货场段为从ZK1+780ZK1+860(YK1+787YK1+860)段从既有铁路货场下方近距离穿越,平面交角约72度,铁路共有3股道,隧道顶板与铁路的最小竖向距离约13.6m,穿越地层主要为砂质粘性土及
22、全风化花岗岩。加固范围铁路里程为:K0+552K0+643(货1线,K0+000为H4道岔尖轨尖处),K0+504K0+595(货2线,K0+000为H4道岔尖轨尖处),K0+413K0+506(货4线,K0+000为H10道岔尖轨尖处)。采用暗挖法开挖的下穿鹰厦铁路段为ZK1+860ZK1+955(YK1+860YK1+938)段从既有鹰厦铁路下方近距离穿越,与鹰厦铁路平面交角约58度,铁路共有2股道,加固范围铁路里程为:K683+773K683+872(I道),K683+775K683+879(II道);与高崎II场4(6、8)道平面交角约49度57度,铁路共有3股道,加固范围内铁路里程为
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