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ID:54146368
大小:879.50 KB
页数:21页
时间:2020-04-13
《盾构机吊装方案范文.doc》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、深圳市地铁龙岗线3102标段翠竹站~田贝站区间左线盾构吊装方案编制人:审核人:审批人:编制单位:北京城建集团有限责任公司编制日期:二00九年六月二十五日肃清流毒影响获得了辉煌的成就,通过参观学习,认识到了为什么会有腐败案例,知道了要铭记初心,不断的提高自我素质Ellipticityofelbowpipeswithdiameterslessthanorequalto150mmmustbenotgreaterthan8%diameterof200mmorlessshallnotbegreaterthan6%.Wallthicknessofthepipewallthinningratemu
2、stnotexceedtheoriginal15%.Creaseroughness:diameter125mmorless,shallnotexceed3mmdiameterlessthanorequalto200mm,notmorethan4mm.7.3.9simmeringbendingproductionofsquaresteeltubeextension,tousethewholetubebending.Interfaceifnecessary,theweldingpositionshouldbelocatedinthemiddleoftheverticalarm.7.3.1
3、0installexpansionjointsshouldbedone.Ifdesignisnotrequired,pipecompensatorlengthenshouldconformtotherequirementsinthefollowingtable:squarescalelengthδxisequalto1/2.Prestretchtolerance:casing+5mm,+10mm.7.3.11pipeform,location,spacingshallmeetthedesignandspecifications.7.3.12pipingonbackorreturnpi
4、peathigherlevelsoftheuppertoautomaticvalvetoinstalladrainvalvebelowthehorizontalparts.7.3.13supportsandhangersofchecksandthenumber1)hangerinstalledmustbecheckedbeforeinstallationofsupportsandhangerspartmodels,specificationsofspringssettingvalues,whetherthematerialsmeettherequirementsofdrawingsa
5、nddocuments;2)supportsandhangersofmaterial,sizeandaccuracyshallconformtotheprovisionsofthedesigndrawings,materialtechnicalrequirementsshouldbeconsistentwithnationalstandards,industrystandardsandtechnicalrequirementsrelatedtothealloyspectrumreviewshouldbecarriedout;3)pipesupportsandhangerspartpl
6、antproductqualitycertificateforeachvariablespringsupports,constantsupporthangers,dampers,damperfunction,thereshouldbefactorycalibratedtest第15页目录一、工程概况1二、盾构机概况1三、工作场地概况1四、吊车工作位置2五、主要起吊部件尺寸和重量5六、人员配备情况5七、吊装设备及工具验算6八、重要吊耳的计算及焊接8九、场地准备11十、人员教育培训11十一、盾构机的吊装11十二、安全监测13十三、施工过程安全保证措施13肃清流毒影响获得了辉煌的成就,通过
7、参观学习,认识到了为什么会有腐败案例,知道了要铭记初心,不断的提高自我素质Ellipticityofelbowpipeswithdiameterslessthanorequalto150mmmustbenotgreaterthan8%diameterof200mmorlessshallnotbegreaterthan6%.Wallthicknessofthepipewallthinningratemustnotexceedtheoriginal15%.Cr
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