1X330MW火力发电厂主厂房吊装施工方案英文.docx

1、1X330MW火力发电厂主厂房吊装施工方案英文I、 0相关图纸： Relevant Drawing： 主厂房钢结构安装图F312S；Steel Structure Erection Drawing of Main Building F312S 工程概况： Project Overview: 越南汪秘热电厂期扩建1330MW工程，位于汪秘原厂一侧，主厂房钢结构布置在AC排及18轴上，包括汽机房和煤仓间，汽机房吊装高度30米，煤仓间吊装高度47米。Uongbi Power Plant Extension Project No.2 (1X330MW) is at one side of the ol

2、d plant. Steel structure is laid out at A-C axis and 1-8 axis of main building, covering turbine house and coal bunker bay. Lifting height of turbine house and coal bunker bay is 30m and 47m respectively. 0.000m标高为绝对标高9.000m。The elevation of0.000m equals to absolute elevation of 9.000m. 主厂房上部结构为全钢结构

3、，节点连接采用焊接和大六角头高强螺栓连接。Superstructure of main building is steel structure. Nodes are connected together through welding and by hexagonal head high-strength bolts. 高强螺栓连接的摩擦面的摩擦系数：Q345B钢不小于0.5，Q235B钢不小于0.45。The friction coefficient between friction surface of high strength bolt connection shall be: no

4、less than 0.5 for Q345B steel, no less than 0.45 for Q235B steel. 焊接材料：当焊接Q235钢时，手工焊采用E43型焊条；当焊接Q345钢时，手工焊采用E50型焊条。Welding material：Electrode for manual welding: E43 for Q235B steel, E50 for Q345B steel. 资源配置：Resource allocation： 人力资源计划一览表 NO:1Manpower Plan Schedule No:1 序 号No. 专业工种Type of work 人 数Q

5、uantity 工作内容Work 备 注Remark 工程负责人Project director 施工组织及技术Construction organization and technology 测量工Surveyor 安装测量Survey for installation 起重工Hoister 装卸及吊装Handling and lifting 架子工Scaffolder 悬挂及平台绑扎Hanging and platform colligation 铆工Riveter 钢结构安装Steel structure erection 电焊工Electric welder 结构焊接Structura

6、l welding 吊车司机Crane driver 构件吊装Member lifting 安全员Safety man 安全监督Safety surveillance 机具配置计划一览表 NO:2Machines and Tools Plan Schedule No:2 序号No. 名 称Name 规 格Specification 数 量Quantity 备 注Remark 履带吊Crawler crane 履带吊Crawler crane 汽车吊Truck crane 平板车Flatcar 汽车吊Truck crane 倒链Chain block 倒链Chain block 倒链Chain

7、block 千斤顶5TJack 5T 电焊机Welding machine 经纬仪Theodolite 水准仪Level 水平尺Level bar 大锤、手锤Sledgehammer, bishop 各5把5 for each 扳手Spanner 线锤Plumb 软爬梯Soft ladder 防坠器Falling protector 对讲机Walkie talkie 施工准备Construction Preparation 技术准备Technical preparation 施工图纸确认。Construction drawing confirmation 施工方案编制批准。Compilatio

8、n and approval of construction scheme. 基础混凝土强度达到设计的70%后开始吊装。Lifting is conducted after foundation concrete strength reaches 100% of design strength. 质量验收资料批准；Quality inspection & document approval. 现场准备Site preparation 现场道路、场地平整畅通。Site road and field leveling up. 施工电源布置到位。Power supply is ready. 基础回填

9、完成。Foundation backfill completes. 工器具准备完成。Preparation of machines & tools completes. 吊装机械到场。Lifting machines on site. 测量定位出基础轴线和标高线。Surveying & setting-out of foundation axis and elevation 根据构件重量选择钢丝绳直径、长度、卡环规格等。Selecting diameter and length of wire rope, specification of length as per member weight

10、. 钢架到货检查：根据图纸、供货清单对其规格、数量进行验收。Checking of steel frames: Acceptance & inspection of their dimensions and quantity according to drawings and supply list. 施工主要流程Main construction procedure 基础定位划线第一层钢结构安装基础二次灌浆第二层钢结构安装第三层钢结构安装，依次类推各层楼板施工。Setting-out & positioning of foundation-installation of 1st-floor

11、steel structure-secondary grouting of foundation-2nd-floor steel structure-3rd-floor steel structure. The same procedures are also applicable to the rest floors in turn. 钢丝绳受力为：Wire rope stress ： 吊装时的安全系数:Safety factor of lifting: 所选钢丝绳需满足安全系数K4.5；Selected wire rope shall meet the requirements for s

12、afety factor (K4.5); 其中： P构件重量； 钢丝绳所受作用力；Force exerted on wire rope; 钢丝绳破断拉力；Tensile force for wire rope failure； 吊装过程中根据构件重量可以计算出钢丝绳受力大小，确定钢丝绳直径。During lifting, wire rope stress can be calculated according to member weight to decide diameter of wire rope. 主厂房钢构件吊装时常用的方法如下图：（钢丝绳与钢构件棱角接触处必须用衬垫物，防止钢丝绳

13、受到损伤）。0进行安装前，机械到场、工器具等准备工作做好。 2、 Common method for steel member lifting of main building is as follows :( Underlay must be placed at the arris intersection of wire rope and steel member to prevent damage of wire rope.3、 Machines shall arrive at site and tools shall be well prepared prior to installa

14、tion. 基础划线：由测量工程师用测量仪器对安装轴线进行定位，并加工好垫板。Foundation setting-out：Survey engineer shall set out the axis for installation and make backing plates. 吊装前在立柱上、下两端标注好中心线，待立柱吊装并临时固定好后，用经纬仪和钢直尺测出立柱垂直度偏差。Center line shall be marked at upper and lower end of columns prior to lifting, then theodolite and straight

15、 steel ruler are used to measure plumbness deviation of columns when columns are lifted and temporarily fixed. 第一阶段开始87轴钢架安装，以四根立柱为一个方框单元。待第一层钢架安装完成后，验收合格，对柱脚进行灌浆，同时进行A排8-7 轴钢架安装；随后进行二层及二层以上部分进行安装，最后进行汽机房屋架安装；平台、梯子等附件同步进行安装。随后进行7-6轴钢架安装，同8-7轴安装。At the 1st stage：Start steel frame installation of 8-7

16、axis with four columns as a frame unit, grout the column footing after 1st floor steel frame installation completes and is inspected as qualified. Meanwhile install steel frames of 87-A axis; Then install 2nd floor and upper parts and roof truss of turbine house. Accessories such as platform and lad

17、ders are installed at the same time. After that install the steel frames of 7-6 axis with the same procedure. 开始第二阶段吊装，250t履带吊首先完成B、C排65轴第一层钢架安装，待验收合格后，进行柱脚灌浆，随后进行B、C排65轴第二层，第三层和第四层钢结构安装，最后进行行车梁和汽机房屋架安装；以此类推，B、C排65轴安装完成后，依次进行B、C排54、43、32、21轴钢结构安装。Start lifting at the second stage, use 250t crawler c

18、rane to install the 1st-floor steel frame of B, C axis and 6-5 axis, then grout the column footings after being tested as qualified, subsequently install the 2nd-floor, 3rd-floor and 4th-floor steel frame of B, C axis and 6-5 axis, and install crane beams and roof truss of turbine house at last to f

19、inish installation of B, C axis and 6-5 axis. After that, steel structures will be installed for B, C axis and 5-4 axis, 4-3 axis, 3-2 axis and 2-1 axis one after the other. 在吊装BC钢结构的同时，进行AA1钢结构的吊装。Lifting of steel frames of B-C axis and A-A1 axis will be carried out at the same time. 汽机间剩余钢结构安装待行车安

20、装以后，再用行车进行安装汽机间钢架。The rest of steel structures in turbine house will be installed after the overhead traveler is ready and commissioned. 高强螺栓的穿入方向，以施工方便为准，并注意整齐美观，尽可能保证穿入方向一致。High-tensile bolts shall be penetrated in a direction to facilitate construction and be tidy. The penetration shall be kept i

21、n one direction as possible. 经检查合格后的高强螺栓连接处，按要求进行涂漆防锈。As for those joints of high-tensile bolts as qualified, painting and rusting protection shall be made as per requirements. 质量保证措施：Quality assurance measures： 加强工序质量交底，增强施工人员质量意识和明确质量标准。Strengthen instruction on process quality, quality awareness

22、and specify quality standards. 主厂房钢结构安装前成立质量监督网络体系，对整个钢结构安装质量进行监督和检查。Both power house steel structure pre-installation came into existence quality monitoring network system，versus wholly steel structure fix quality exercise control and inspection. 钢结构在安装前接头节点处应清理干净。Joints and nodes shall be cleaned

23、ahead of steel structure erection. 高强螺栓在安装后应及时进行初拧、复拧工作，在构建找正验收后进行终拧工作。High strength bolts shall be screwed down in time and screwed again after installation. When steel members are aligned and inspected, final screwing shall be conducted. 雨天不允许拧紧螺栓。 It is forbidden to screw down the bolts in the ra

24、iny days. 高强螺栓的初拧、复拧、终拧应在24h之内完成。Primary, secondary and final screwing of high-strength bolt shall be finished within 24 hours. 高强螺栓拧紧顺序为“节点中心向四周扩散，先主要构件后次要构件，每层构件先顶部、再底部、后中间”。High strength bolts shall be screwed down in such sequence: from node center to the around, from primary member to the secon

25、dary member. From top to the bottom at each floor. 严禁在高强螺栓、钢架连接板、钢架接头的摩擦面、顶板梁上打火引弧或进行其他焊接工作。It is forbidden to strike fire, generate the arc or weld on the friction surface of high-strength bolts, steel frame connecting plate and steel frame joints. 摩擦面要防止沾染赃物或油污，并严禁作任何标志Taint or oily soil shall not

26、 appear on friction surface. No signs are allowed. 安全施工保证措施Safe construction measures 作业人员只有身体健康才能进入施工现场。Only healthy operating staff is allowed to enter the construction site. 作业人员必须穿劳动防护用品，施工现场必须有安全员和医疗。Operating staff must wear protective articles and there must be the safety man and medical treatment st