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lng墙体施工方案书-施工方案.doc

1、 Fujian LNG Terminal and Trunkline Project_Method Statement for Cracks control method of mass concrete_ REVISION :APAGE: 13/4802009.10.6张晓斌廖明强刘俊B2009.9.25张晓斌廖明强刘俊A2009.9.2张晓斌廖明强刘俊版次Rev.日期Date编 制Prepared By审 核Reviewed By批 准Approved ByCBI业主/监理Owner/Supervisor修 改 说 明 提交供审核Revision Description. IFC (Iss

2、ue for Construction)中国核工业华兴建设公司CHINA NUCLEAR INDUSTRY HUAXING CONSTRUCTION CO.福建LNG一期新增3#、4#储罐工程FJLNG Phase I Additional #3 And #4 Tanks Project液化天然气低温储罐土建工程LNG Cryogenic Tank Civil Works编码CODEFJLNG-CO2-HUAX-014文件类别Doc. Type方案Method Statement文件名称Doc. Title福建LNG罐混凝土墙体施工方案Method Statement for the Conc

3、rete Wall of FJLNG Tank版次Rev页码PageABCDEFG版次Rev页码PageABCDEFG0111122133144155166177188199201021Fujian LNG phrase 1 Additional 3# & 4# Tanks Project _Method Statement for the Concrete Wall of LNG Tank_REVISION :0PAGE: 51/51CHANGE RECORD PAGEREVISIONDESCRIPTION OF REVISIONA Issue for ReviewB Issue for R

4、eview0 IFCREVISION TABLEPAGEREVISIONPAGEREVISIONAPPENDIXREVISIONAAA1X26X1X2X27X2X3X28X3X4X29X4X5X30X5X6X31X6X7X32X7X8X33X8X9X34X10X35X11X36X12X37X13X38X14X39X15X40X16X41X17X42X18X4319X4420X4521X4622X4723X4824X4925X50目 录 Content 1.General概述62.Scope 范围63.References 参考文献73.1.Drawing 图纸73.2.Specificatio

5、ns 规范114.Construction preparation 施工准备114.1.Personnel人员114.2.Construction materials施工主要材料114.3.Construction equipment and tools施工机具115.Construction methodology施工方法145.1.Construction sequence 施工顺序145.2.Survey control 测量控制155.3.Installation of embedded parts 预埋件安装175.4.Rebar fabrication and fixing 钢筋制

6、作及安装215.5.Pre-stressing duct erection 预应力管道安装255.6.Formwork erection 模板支设255.7.STRIKING OF FORMWORK 拆模375.8.Horizontal construction joints treatment水平施工缝的处理385.9.Concrete work 混凝土浇注工作395.10.Temporary Construction Opening 临时施工洞口416.Contingency Plans 应急方案427.Controls 控制428.Access 通道439.TRAINING 培训4410

7、.Safety plan for wall construction墙体施工安全方案4510.1.Physical barrier to be installed安装硬围护4510.2.Climbing of Doka formwork 多卡模板爬升4510.3.Fall protection 防坠落保护4510.4.Access and emergency access 通道和紧急通道4610.5.Electrical safety measure 用电安全措施4610.6.Bad weather plan 坏天气计划4611.Appendix 附件471. General概述This me

8、thod statement is established to define construction method for the concrete wall of FJLNG phrase 1 Additional 3# and 4# Tanks project. 此方案适用于福建LNG一期新增3#和4#储罐工程混凝土墙体施工方案。2. Scope 范围Variations of sequence or method may evolve as the work progresses, which will maximize efficiency and use of available

9、 equipment and resources. A revised Method statement will be issued for variations in work practice. 施工顺序或方法会随工程进展而改动,以便最大化的提高资源使用效率。The tank wall is circular on plan, tank height of 50054mm, 1000mm thick tapering down to 550mm thick at a height of 6750mm. The inner radius of wall is 41000mm, the ou

10、ter radius is 41550mm, and the thickness of standard wall is 550mm. The concrete C50 will be used for the wall, reinforced with high yield steel reinforcement on the faces of the wall and cryogenic reinforcement just be used on the inner face of lift 2. 罐体墙体为圆形, 罐高50054mm, 在高度6750mm范围内,罐厚从1000mm渐变到5

11、50mm. 墙体内径为41000mm,外径为41550mm,标准墙体厚度为550mm。墙体使用C50混凝土,墙体钢筋高屈服钢筋,第二层墙体内侧使用低温钢筋。Post Tensioning is applied to horizontal and vertical pre-stressing ducts built into the walls. 预应力适用于墙体的水平和竖直预应力管道。The description of tendon prestressing and duct grouting will be addressed in separated method statement.

12、预应力和孔道灌浆的描述参见单独的施工方案。During construction of the wall, welding joints and deformation of inserts control shall be performed by the mechanical subcontractor in accordance with the relevant specification, other work shall be carried out by civil contractor. The mechanical subcontractor shall use the ac

13、cess and platform set by civil subcontractor for welding of inserts. 在罐筒体施工过程中,预埋件焊接连接和变形控制措施工作由机械分包商按照相关规范执行,其余相关工作均由土建分包商完成。机械分包商进入筒体执行预埋件焊接时,可利用土建分包商设置的通道和操作平台。Construction will be 11 lifts of the following heights: 施工每层高度:Lift NoHeight (mm)Concrete Dosage(m)13375790233756213380058743800587538005

14、87638005877380058783800587938005871037755841111-1227553411-211004373. References 参考文献3.1. Drawing 图纸General Arrangement 总体安排 DD-DWG-TS-ST-025101Tank TS-T-02-03 Orientation 3#罐定位图DD-DWG-TS-ST-025102-01Tank TS-T-02-04 Orientation 4#罐定位图DD-DWG-TS-ST-025102-02Outer Paste on Liner 衬里的外部粘贴材料DD-DWG-TS-ST-0

15、25122Outer Liner Embed Details 外罐衬里预埋件详图 DD-DWG-TS-ST-025123-01Outer Liner Embed Details at TCO 临时洞口外罐衬里预埋件详图 DD-DWG-TS-ST-025123-02Outer Liner Embed Details 外罐衬里预埋件详图 DD-DWG-TS-ST-025123-033 Outer Bottom Insulation Purge N13 3外罐底隔热层排气管N13DD-DWG-TS-ST-025192Outer Liner Embed Details 外罐预埋件详图DD-DWG-TS

16、-ST-0251392 Dia Pres. Equalization - N14A/B & N20A/B 2稳压管N14A/B & N20A/BDD-DWG-TS-ST-025194Temporary Outer Line Rain Gutter 临时外排水管DD-DWG-TS-ST-02ER5Compression Bar Anchor抗压钢筋锚固件DD-DWG-TS-ST-025158Embedment Plates for Escape Ladder逃生梯预埋件DD-DWG-TS-ST-025270Embedment Plates for Escape Ladder逃生梯预埋件DD-DW

17、G-TS-ST-025271Embedment Plates for Main Stairway 主要通道预埋件DD-DWG-TS-ST-025272Embedment Plates for Main Stairway 主要通道预埋件DD-DWG-TS-ST-025273Embedment Plates for Main Pipe Rack 主管支架预埋件DD-DWG-TS-ST-025274-01Embedment Plates for Main Pipe Rack 主管支架预埋件DD-DWG-TS-ST-025274-02Embedment Plates for Firewater Pip

18、ing 消防管道预埋板DD-DWG-TS-ST-025275Embed Plates for Circumferential Handrail 环形栏杆预埋件图纸 DD-DWG-TS-ST-025277Embed plates for roof walkway 穹顶走道预埋件 DD-DWG-TS-ST-025280Roof embed dimensions 穹顶预埋件尺寸 DD-DWG-TS-ST-025284Roof embed dimensions 穹顶预埋件尺寸 DD-DWG-TS-ST-025285Circumferential handrail 环形栏杆 DD-DWG-TS-ST-0

19、25321Concrete Tank Elevation 混凝土罐体立面图DD-DWG-TS-ST-025400Reinforcing Steel Bend Details 钢筋弯曲详图 DD-DWG-TS-ST-025411Concrete Wall Reinforcement 混凝土墙体钢筋DD-DWG-TS-ST-025415Starter Bar Arrangement Buttress 扶壁柱处插筋布置图DD-DWG-TS-ST-025416Concrete Wall Reinforcement Arrangement Buttress扶壁柱混凝土墙体钢筋布置图DD-DWG-TS-S

20、T-025417Concrete Wall Pre-stress Details 混凝土墙体预应力详图DD-DWG-TS-ST-025418Temporary Construction Opening (Concrete Wall) 临时施工洞口(混凝土墙体)DD-DWG-TS-ST-025419Concrete roof reinforcement 混凝土穹顶钢筋DD-DWG-TS-ST-025420General note总说明 DD-DWG-TS-ST-0253000Anchorages details and wall typical section锚具详图和墙体截面图 DD-DWG-

21、TS-ST-0253001Wall Plan and Sections墙体平面和截面图 DD-DWG-TS-ST-0253002Horizontal Prestress Layout(sht 1)水平预应力分布图(1) DD-DWG-TS-ST-0253003Horizontal Prestress Layout(sht 2)水平预应力分布图(2) DD-DWG-TS-ST-0253004Setting-out for horizontal prestress ducts水平预应力管定位 DD-DWG-TS-ST-0253005Horizontal prestress layout at wa

22、ll buttress扶壁柱水平预应力分布图DD-DWG-TS-ST-0253006Vertical prestress layout(U-shaped ducts) 竖向预应力分布(U形管) DD-DWG-TS-ST-0253007Vertical prestress layout(U-shaped ducts) 竖向预应力分布(U形管) DD-DWG-TS-ST-0253008Vertical prestress typical setting-out of steel pipe竖向预应力钢管定位DD-DWG-TS-ST-0253009Setting-out plan of steel p

23、ipes for vertical prestress ducts(sht 1) 竖向预应力管钢管定位平面图(1) DD-DWG-TS-ST-0253010Setting-out plan of steel pipes for vertical prestress ducts(sht 2) 竖向预应力管钢管定位平面图(2) DD-DWG-TS-ST-0253011Setting-out plan of steel pipes for vertical prestress ducts(sht 3) 竖向预应力管钢管定位平面图(3) DD-DWG-TS-ST-0253012Setting-out

24、plan of steel pipes for vertical prestress ducts(sht 4) 竖向预应力管钢管定位平面图(4) DD-DWG-TS-ST-0253013Setting-out for vertical prestress duct竖向预应力管定位 DD-DWG-TS-ST-0253014Vertical prestress-Typical steel pipe details & at buttress setting-out竖向预应力-钢管详图及扶壁柱处的定位 DD-DWG-TS-ST-0253015Vertical prestress steel pipe

25、 at opening-Detals临时洞口的竖向预应力钢管详图DD-DWG-TS-ST-0253016Connection detail of prestress ducts at opening临时洞口的预应力管连接详图DD-DWG-TS-ST-0253017Tank wall pre-stressing sequence墙体预应力张拉顺序DD-DWG-TS-ST-02530183.2. Specifications 规范Project Specification for Cast-in-Place Concrete Construction for Cryogenic Storage T

26、ank低温储罐现浇混凝土规格书DD-SPC-TS-ST-02504 Project Specification for Prestress Materials and Installation预应力材料及安装规范DD-SPC-TS-ST-02505 4. Construction preparation 施工准备 4.1. Personnel人员Relevant staff and crews are all through mobilization training and technique training. Special workers are all with special wo

27、rk certificates. The future mobilized personnel also will be trained. 相关管理人员和施工人员已经经过进场培训,特种操作人员持有相应的特种操作证书,相关施工人员和管理人员已经经过相应的技能培训,后续进场人员会按照既定的培训计划进行进场培训和技能培训。4.2. Construction materials施工主要材料The recently necessary constructions materials have already arrive at jobsite and qualified after test and r

28、eady for usage. The future mobilized materials will also be tested and accepted as per specifications and approved for usage after being tested qualified. 目前所需施工主要材料已经报批进场,并检验合格,正式施工时可以投入使用。后续材料会按照规范要求进行材料进场验收,合格后方可投入使用。4.3. Construction equipment and tools施工机具A part of wall construction equipment a

29、nd tools have already get to jobsite being installed, accepted and used. The future equipment and tools also will be tested for acceptance before being used. The equipment and tools at jobsite now are as follows: 墙体所需施工机具部分进场安装完毕,并通过验收,且已经投入使用。后续设备会按照现场要求进行验收,合格后投入使用。已经进场的设备和施工机具见下表:序号No.设备名称Equipme

30、nt产地Producing Area规格/型号Specification/Type单位Unit数量Quantity1砼搅拌运输车Truck Mix中国ChinaXEJ5270(6m3each每罐)辆Each2XZJ5259(8m3each每罐)辆Each42平板货车Lorry中国ChinaT850(8t)辆Each13自卸车Dump Truck中国ChinaEQ3141G(7.5T)辆Each14拖头Tractor中国ChinaEQ4150J(25t)辆Each15拖板Trailer中国ChinaSE9410(25t)辆Each1LY9381(20t)辆Each16汽车吊 Mobile Cra

31、ne中国China25t台Each17塔式起重机Tower Crane中国China21CJ210台Each121CJ290台Each2TC6515C-12E台Each3TC7052台Each18砼搅拌站 Batching Plant中国ChinaHZS50B(50m3/h)套Set29砼布料机 Concrete Placing Boom中国China(固定式fixed)38m套Set2(行走式 movable)38m套Set110振捣棒 Vibrator中国China3570根Each1511大型移动式钢筋剪切生产线 rebar cutting product line中国ChinaGJW-

32、150套Set112钢筋大弧弯曲机 Rebar Large Arc Bending Machine美国AmericaKRB11# 34台Each113自动钢筋弯曲机Rebar Bending Machine中国ChinaXGW-40台Each214木工圆锯机Carpenter Circular Saw 中国ChinaMJ-106A台Each115木工平面刨 carpenter plane中国ChinaMB-504台Each116水泵 pump中国ChinaAS75-2CB台Each217高压水枪 High pressure water jet中国China猫王1.35MPa台Each218吸尘

33、器 Vacuum中国ChinaWVD2002台Each119水准仪 Level瑞士徕卡NA728架Each220全站仪 Total Station瑞士TCR702架Each121手提圆盘电锯 Portable circular Saw中国ChinaC235台Each222电钻 Electrical Drill中国ChinaJIZ SD05-13A台Each423交直流电焊机 Electrical Welding Machine中国上海Shanghai ChinaZXZ1-400/500台Each424逆变电焊机 Reverse Welding Machine中国ChinaZX7-400B台Ea

34、ch425空压机 Air Compressor中国ChinaLGD-20/8(20m3)台Each126抽水泵 Water Pumping中国China200扬升台Each427装载机 loading Truck中国ChinaZL-50台Each1XG951台Each128皮带运输机 Conveyer 中国China架Each229波纹管加工机械中国China套Set15. Construction methodology施工方法5.1. Construction sequence 施工顺序Previous lift前一层Rebar mats pre-fabrication预制钢筋网片Trea

35、tment of construction joint施工缝处理Rebar mats and inserts installation钢筋网片和预埋件安装Horizontal /vertical sheath installation水平/垂直预应力管安装Fixing Rebars at the buttress附壁柱钢筋绑扎Lifting and Installing the inner formwork内模板提升和安装Adjusting and fixing inserts and ducts预埋件与预应力管道校正与固定Cleaning, lifting and installing th

36、e outer formwork外模板清理、提升和安装Concrete mixing and transporting混凝土搅拌与运输Survey checking and reporting测量检查和报告Joint inspection and acceptance联合检查和验收Moistening of construction joint施工缝润湿Concrete pouring, roughing construction joint and curing混凝土浇筑、施工缝冲毛和养护Removing formwork and applying curing compound模板拆除和刷

37、养护剂Geometrical survey and surface inspection & treatment罐体测量和表面处理Next lift commencement开始下一层Installation of rebar mats, inserts and ducts for next lift下层钢筋、预埋件和管道安装The construction sequence of concreting for one wall lift is shown as follows单层墙体施工顺序如下:5.2. Survey control 测量控制After the concrete at central area of pile cap reached enough strength, the survey team shall set the center point accurately by using the survey control points approved by Contractor. An

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