钢结构施工方案(中英文对照).doc
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1、 最新资料,word文档,可以自由编辑!精品文档下载 【本页是封面,下载后可以删除!】钢结构工程施工方案Steel Structure Construction Scheme一、钢结构工程概述A brief account of steel structure work 本工程为斯比克(中国)工业设备制造有限公司之汾湖新厂房项目钢结构工程。分A-1和A-2两个单体,其中A-1屋面面积3.4万平方米,A-2屋面面积1.5万平方米。生产车间内设有桥式桁车,钢柱、钢梁采用焊接成型的H型钢,结构主材采用Q345B,檩条采用Z型钢,墙面采用双层压型钢板+保温棉的构造,屋面采用钢承板+保温板+柔性防水卷材
2、的构造。The working area of steel structure work are production and warehouse halls, bicycle shed, total area is about 16500 square meter, roof pitch is 5%, eave height 13.75M. There will be 6 8t bridge traveling cranes in production hall, welding H-section steel column and beam, structural main materia
3、l is Q345B, cold bending sheet steel Z-purlin, wall and roof cladding are double-skin pressed steel sheet and thermal insulation wool. 二、钢结构工程的特点 Characteristic of steel structure work1、该工程单坡最大跨度为18m,钢柱高度大,单榀框架的平面外刚度极小,吊装过程中做好保证结构平面外的稳定作为安全技术控制的重点。The single span of the work is 18m, the height of st
4、eel column is large, single frame plane external rigidity is very small, so the key point of safety technical control is to guarantee the stability outside the structural plane. 2、厂房最大连续24跨,长度方向252m,制作安装时应注意误差累计,做好测量控制点,保证整个厂房的安装精度。Take out 6 steel columns from grid line 914 in the production buildi
5、ng, instead of 52.5m space truss as trimmer beam to support the upper structure and crane load, the installation of the space truss is a difficulty point of this work.三、施工现场总平面布置方案施工现场平面布置方案大体与土建单位一致,在土建单位搭设的临时设施内进行钢结构安装。三、钢构件的制作Fabrication of steel structural members (一)、制作前的技术准备Technical preparati
6、ons prior fabrication 1、钢结构制作前必须熟悉设计的施工图,了解设计要求,并审核图纸,根据蓝图编制加工制作图,并在得到原设计部门的认可后方可进行备料加工。Study and check the design working drawing before fabrication, make shop drawing and get approval from designer then prepare material for fabrication.2、根据构件类型、数量、用材制定加工计划和加工程序。Make a plan and program for fabricat
7、ion as per the type, quantity and material of the structural members.3、编制施工工艺和技术措施,以及对加工用的设备制定检查维护计划,使机械设备处于良好状态。Write construction techniques and technical measures, and the equipment regular examine and maintain plan, keep the machinery in good condition. (二)、主材采购计划Material requirements:1、对工程用的材料应
8、进行选定和确认。Select and confirm the material for the project.2、各种材料均应有质量证明书和出厂合格证。若有疑议则应按国家有关标准的规定进行抽样检验,经检验合格后方可批量使用。All kinds of material should be with quality guarantee and ex-factory certificate. If there is any doubt, sampling examination should be taken according to relevant national standard, onl
9、y when passed the examination material in batches can be used.3、钢材表面锈蚀等级应符合现行国家标准涂装前表面锈蚀等级和除锈等级规定。Rust degree of steel surface should conform to the present national standard .4、连接材料(焊条、焊丝、焊剂)、高强度螺栓等,以及涂料(底漆和面漆等)均应具有出厂质量合格证书,并应符合设计的要求和国家现行有关标准的规定.Jointing material (welding rod, solder, flux), high s
10、trength bolt, and coating( under coat and top coating) should be with ex-factory quality certificate and conform to the design and national standard.5、严禁使用药皮脱落或焊芯生锈的焊条、受潮结块或已熔烧过的焊剂以及锈蚀、碰伤或混批的高强度螺栓。If the skin of welding rod is peeled off or the core is rust, welding flux is wetting and agglomerating
11、 or melting, the high strength bolt is rust/damaged or taken from different batches, these materials are strictly prohibited. 6、防腐油漆应符合设计要求和有关标准的规定,并应有产品质量合格证书及使用说明。Anti-corrosion paint should conform to the design and relevant standard, and with quality certificate and operation instruction.(三)设备及工
12、具等准备Equipment and tool preparation1、对加工制作使用的设备应事先检查,进行必要的维护。Check and maintain the fabricating equipment in advance.2、对加工制作使用的工具和计量工具应具有相当的精度,并定期送计量检测部门进行检测标定。The fabricating tools and measuring instrument should be with certain accuracy, and be examined and marked by the measurement testing departm
13、ent regularly.3、焊工必须具有上岗证,且应做符合其证书规定范围的工作。凡停焊时间超过半年以上时,应重新考试合格才可上岗操作。Welder should bearing the qualification certificate, and do the work within the scope stipulated in certificate. If the welding work stopped more than 6 months, the welder should be re-examined and passed the examination.(四)、钢结构制作工
14、艺要点Key points of steel structural member fabrication焊 接矫 正小 装 配总 装 配端部铣平焊 接矫 正端部铣平成品钻孔铲磨除锈退火处理油漆包装半成品按分类堆放弯 制煨(滚圆)模压边缘加工(铣、刨、铲)制 孔(冲、钻)二次下料 割出厂放样原材料矫正器剪冲锯气 割零 件 平 直拼 装焊 接矫 正第 38 页 共 38 页weldingadjustmentpart assemblyIntegral assemblyEnd millingwelding adjustmentEnd millingPuchingRust-removalAnnealin
15、g trPainting & packingSemi-ready product storagebendingEdge machiningPunching and boringSecond material utting 割Ex-factoryloftingRaw material calibrationCutting,punching,sawingsawingGas cuttingSpare parts straighteningassemblyweldingadjustment四、钢结构安装方法Steel structure installation method(一)、安装前准备工作Pr
16、eparations prior to installation根据钢结构安装工程要求,在钢结构安装前,必须对安装现场进行了解、场地已清理,吊装道路应通畅坚实,施工电源已明确,并做好如下工作:As per the requirement of steel structure installation, before installation work started, it is need to check and clear the site, insure the access for hoisting is smooth and firm, and construction power
17、is ready, the following works are also need to do simultaneously:1、对各组预埋螺栓进行了水平高度、轴线偏移等进行测量,并与土建施工单位做好书面交接记录。Survey the horizontal level and axial deviation of the all groups of embedded bolts, make records for the handing over with the civil work team in writing.2、由于本工程构件量多面广,对钢构件应编号和确认,避免用错位置。The
18、since the quantity of structural members is large and has a great variety, it must be numbered and confirmed to avoid mis-placed.0.0000.050RC基础水准仪(柱底标高)(基准标高)0.00(一次浇筑标高)3、会同业主或现场监理进行安装前的相关检查和验收。Make necessary inspection and acceptance jointly with the employer and supervisor before installation.(二)
19、、钢构件运输及堆放Transportation and storage of structural members1、根据钢构件几何尺寸、单重合理配备运输车辆,运输中需做好必要的软垫绑扎。Transport structural members by appropriate vehicle as per the geometric dimension and unit weight, make necessary soft mat and binding during transportation.2、钢构件在装卸、运输过程中,必须轻拿轻放。必要时垫起,防止损伤漆膜。While loading
20、/unloading and moving the structural members, it must be handled gently. Insert spacer while necessary to avoid damage the painting.3、运输堆放应有专人负责指挥和管理Someone must be put in charge of transportation and storage. (三)、结构吊装方法Structure hosting and installation method1、 钢结构安装思路Consideration about installat
21、ion of steel structure本工程钢结构为带有桁车梁的标准门式钢架,单榀刚架平面外刚度小,进货顺序从1轴线开始,先安装12轴线的刚架,同时安装柱间支撑、屋面支撑并校正形成稳定的空间体系后,再向29轴线推进,钢柱采用单机旋转法吊装,钢梁地面拼装后采用双机抬吊法。桁架式托梁采用地面螺栓拼接,双机抬吊法。吊车梁高度距屋面檩条距离有3.5米,满足最小起吊高度,可在屋面结构安装完成后或穿插结构吊装过程中进行。The type the structure in this project is a standard portal-framed structure with moving cr
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