ASTMA416A416M05预应力混凝土用未涂层的7股钢绞线的标准规范.docx

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ASTMA416A416M05预应力混凝土用未涂层的7股钢绞线的标准规范.docx

ASTMA416A416M05预应力混凝土用未涂层的7股钢绞线的标准规范

ASTMA416A416M-05预应力混凝土用未涂层的7股钢绞线的标准规范

[1]预应力混凝土用未涂层的7股钢绞线的标准规范

ASTMA416/A416M-05

本标准印发的是修订的A416/A416M标准,后面的数字表明标准发行时间或最新的的修订时间,圆括号中的数字表明上次修订时间,设成上标的数字标明是从修订后编辑上的改变。

本标准已被国防部相关机构批准采用。

1、范围

1(1本规范包含两种和两个级别的7股未涂层的用于预应力混凝土的钢绞线。

这两种钢绞线分别是低松弛的和应力全释放的(普通松弛)。

低松弛钢绞线被称为标准型,应力释放的钢绞线一般不予以提供除非特别需要,或者购买者和生产者有协议。

250级和270级都有最小的强度要求分别是1725(ksi)MPa和1860MPa(270ksi),各以其级别命名。

(2在英制体系和SI体系中两者的指标都认为是标准的,在本文内,英制指标1

出现在括号内。

由于两种体系的指标并不是完全等价的,因此,各自的体系必须独立使用。

混合使用两种指标可能导致使用本规范时没有一致性。

1(3提供者要求使用的预应力钢绞线应用于地下锚定装置时要特别要求15.2mm(0.6-in)直径的钢绞线。

2、参考引用文件

[2]2(1ASTM标准

A370钢制品机械试验的标准试验方法及定义。

A981评估预应力地下锚定装置用270级未涂覆15.2mm(0.6in)直径预应力钢绞线结合强度的标准试验方法。

E328材料和结构件的应力松弛试验。

2(2美国军用标准

[3]MIL-STD-129可以装载和存贮产品的标记规定

[3]MIL-STD-163可以装载和存贮的钢厂出产钢产品

2(3美国联邦标准

FED-STD。

NO.123出厂产品的标记规定(国内机构)

3、术语

Atpresent,wewouldliketotaketheopportunityofmaintainingpartymember'sprogressivenesseducationactivity,tostrengthenandimprovetheOfficeitself.First,tostrengthenideologicalbuilding,forgebasicquality.Ideologyconstructionistheimportantcontentoftheconstructionofthecontingentofcadres.Governmentofficesatalllevelstoputideologicalconstructioninconstructionfromstarttofinishtopoftheefforttoforgeapoliticalreliability,faith,qualityexcellentcadres.Tostrengthenthesenseofpolitical.FortheOffice,istoinsistonresponsibilityandconsistencyunder,firmlyimplementthePartyCentralCommitteeandtheStateCouncil'spoliciesanddecisionsindicatesthatpremise,"twoguarantees".IstoensurethatthemunicipalpartyCommitteeandtheimplementationofthedecisionsandarrangementsofthemunicipalgovernment.MunicipalGovernmentmademajorpolicydecisions,wemustunswervinglycarryout,inspectiontellsusthisisnotapoliticalproblem,atthispoint,everyonemustunequivocally.Second,ensurethattheviewsanduninterrupted.Topreventandcorrect"below,abovedifficulttohearcallsfor"obstructionof,reallyknowwhatgrass-rootsdo,whatarepeoplethinking,toprovidegovernmentleaderswithtimely,accurate,andreliableinformationfordecision-making.Tostrengthentheoverallsituation.Atpresent,developmentistheoverallsituationoftheworkofthecity,anyorganization,anysector,anypersoncandeviatefromthisCentre.TheCounty(district),theOfficeshouldfocusonthebigpicture,fromtheirworkPractical,departments,functions,characteristics,andfinditslocation,clearfocusanddirectionofthework,enhanceworkinitiative,highlightstheimportantroleoftheOfficeintheserving,integratedservicesplayintheoverallcoordinationfunction,embodytheworklevel.Tostrengthentheconsciousnessoflifelonglearning.Tostrengtheninglearning,timely"charging",putstrengtheningpoliticaleandflexibility,andstrivetoachieveboththeoverallsituation,carefulandthoughtfulandmethodical,graspasenseofpropriety.Secondly,weshouldfurtherimprovethemeeting.MakegreateffortstostreamlineConferenceundertransactionalactivitiesandleaders,soleaderscanfreeupmoretimetocatchevents,aboutevents.Onthesubjectofwell-chosen,checkthematerialcarefullyfortheConference,thewholeprocessoftheConferenceservices,standardizationofwork.Third,weshouldfurtherimprovethelogisticsservice.CarefullyimplementPremierWenJiabao"management,security,service,clean,efficient,consistent,become"directives,accordingtodeepenreform,strengthenmanagementandservetheoverallinterests,teamcohesion,improveservice,increaseefficiencygoals,toscientificmanagementandsocialservicesasdirection,intensifyadministrativereform,andgraduallyestablishahighlyefficient,well-coordinatedandstandardizedlogisticsmanagementsystem.Effortstoreduceadministrativecosts,strengthenthemanagementoffunds,assets,andstandardposition-relatedconsumption,perfectreceptionsystemfororgansandprovidespowerfulprotectionandqualityoflifeforworkersandstaffservices.Third,strengtheningquality,top-notch,imageandstrengthenthesystemofGovernmentOfficeconstructionisnotonlyahubfortheworkoftheOffice,istheimage"window".IfyourOfficework,poorimage,notonlyaffectstheSectorasawhole,butwillalsoaffecttheoverallimageoftheGovernmentemployment,business,money"asthecore,conscientiouslythepublicofimportantmattersandhuman,financial,material,notOffdeepeningpubliccontent.Tobuildalong-termmechanismofopenGovernmenttoensureopengovernmentinstitutionalization,standardizationandregularization.AccordingtothearrangementsoftheMunicipalGovernmentthisyeartofullimplementationoffirstaskingdutysysteminthecityandahandlesystem,12pilotdepartmentsoftheMunicipalGovernmenttodetermine,inaccordancewiththepilotscheme,seriouslyimplementExchangeinearlyApril;theCounty(district)andthepilotdepartmentsshouldformulateassoonaspossiblepracticalimplementationoftheprogram,atboththecityandcountylevelinfullswinginthefirsthalf.8,solidandmeticulous,improvedefficiency,dailyGovernmentAffairsServices.Coordination,meetings,logistics,hospitality,dailyroutinework,largewidth,notfinely,whichdonotputinplace,willaffecttheproperfunctioningoftheglobalworkoftheGovernment.Therefore,theOfficewill,dohavetobecarefulandmeticulous,carefulplanning,sure.Oneistofurtherimprovetheintegratedcoordination.Focusoncoordinatingrelationsbetweenpartycommitteesandadministrativedepartments,coordinatingeveryaspectofleftandright,upanddown.Eachideabeforework,integrated,organizedandbusybutorderly;coordinationprocesstoscientificmethod,payattentiontotheglobal,organicunityprinciplapplicationreliability,avoidblindconstruction.Tospeedupthenetworkintegration,informationintegration,networkinterconnection,sharingofinformationresources.Thisyear,County(district)GovernmentOfficeservicesnetworktoachievebroadbandconnectivitywiththeGovernmentOfficenetwork;hasnotbeenconnectedtotheOfficenetworkwiththecitymunicipalgovernmentdepartments,networkingreadyto,toaccessgovernmentofficenetworkbeforetheendofApril.Applicationofinformationtechnologyshouldbeplacedinaprominentposition,strengtheningtheinformationtechnologytrainingforadministrativestaff,expeditetheimplementationofelectronicdocumentprocessing,theleadintheuseofcomput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3(1适合本规范条目的定义

3(1(1线、股——一一个中心钢丝被六个钢丝紧密围起来的一组钢丝,捻距为钢绞线公称直径的12到16倍。

(参见GB/T5224-2003第7页)

3(2讨论——捻制方向可能为左或右,然而,不同捻制方向的钢绞线不能拼接在一起。

4、订货内容

4(1按照本标准订货的7股低松弛应力或应力松弛(普通松弛)钢绞线应包括以下内容:

4(1(1数量(米制[英尺])

4(1(2钢绞线直径

4(1(3钢绞线等级

4(1(4钢绞线种类

4(1(5包

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