ASME B18.6.2-1972 开槽圆头螺钉,方头定位螺钉和开槽无头定位螺钉
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来源:标准资料网
【英文标准名称】:Slottedheadcapscrews,squareheadsetscrews,andslottedheadlesssetscrews
【原文标准名称】:开槽圆头螺钉,方头定位螺钉和开槽无头定位螺钉
【标准号】:ASMEB18.6.2-1972
【标准状态】:作废
【国别】:美国
【发布日期】:1972
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:公差;尺寸;平头螺钉;锁定装置及定位装置;槽头紧固件;方头螺栓;无头紧固件;螺钉;标识;定位螺钉
【英文主题词】:tolerances(measurement);grubscrews;slotted-headfasteners;lockingandlocatingdevices;dimensions;headlessfasteners;setscrews;squareheadbolts;screws(bolts);designations
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:29P;A4
【正文语种】:英语
基本信息
标准名称: | 硅稳流二极管动态阻抗的测试方法 |
英文名称: | Methods of measurement for dynamic impedance of silicon current regulator diodes |
中标分类: |
能源、核技术 >>
能源、核技术综合 >>
技术管理 |
发布日期: | 1982-08-20 |
实施日期: | 1983-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
页数: | 1页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 能源 核技术 能源 核技术综合 技术管理
【英文标准名称】:StandardTestMethodsforEvaluatingMasonryBondStrength
【原文标准名称】:评价砖石砌合强度的标准试验方法
【标准号】:ASTMC1357-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C15.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:测试方法;砖石工程;粘结强度
【英文主题词】:flexuralbondstrength;masonry
【摘要】:Thistestmethodisintendedforuseincomparingthebondstrengths(underthegivenconditions)ofmasonrymortars,asdeterminedinaccordancewithTestMethodC1072.Thistestmethodcouldbeused,forexample,tocheckoneaspectofthequalityofmortarproductsafterproduction,ortoindicatethebondpotentialofamortarproductwithoutrequiringtheproducttobetestedincombinationwithmanydifferentunits.Thistestmethodusescontrolledconditionsoffabricationandcuringthatarenotintendedtorepresentfieldconditions.Thistestmethodusesstandardconcretemasonryunits.Mortarsarebatchedbyweightequivalentsofvolumeproportionsandaremixedtoaprescribedflow.Prismsareconstructedusingajigandarebag-cured.Flexuralbondstrengthdeterminedbythistestmethodshallnotbeinterpretedastheflexuralbondstrengthofawall(becausestandardunitsarenotusedforwallconstruction),norshallitbeinterpretedasanindicationofextentofbondforpurposesofwaterpermeabilityevaluation.1.1Thesetestmethodscovertheevaluationofflexuralbondstrength,normaltothebedjoints,ofmasonrybuiltofmanufacturedmasonryunits,asdeterminedinaccordancewithTestMethodC1072.Samplingandtestingproceduresarereferenced,andtermsaredefined.Twodifferenttestmethodsarespecified,eachforadifferentpurpose:1.1.1Thefirsttestmethodisthe"TestMethodforLaboratory-PreparedSpecimens."Itspurposeistocomparethebondstrengths(underthegivenconditions)ofmasonrymortars.Itcouldbeused,forexample,tocheckthequalityofmortarproductsafterproduction,ortoindicatethebondstrength(underthegivenconditions)ofamortarproductwithoutrequiringtheproducttobetestedincombinationwithmanydifferentunits.Itisnotintendedtorepresentfieldconditions.Itusesstandardconcretemasonryunits.Mortarsarebatchedbyweightequivalentsofvolumeproportionsandaremixedtoaprescribedflow.Prismsareconstructedusingajigandarebag-cured.Note1Standardfiredclaymasonryunitsareunderdevelopmentbutarenotnowavailable.Whentheirdevelopmentiscomplete,theywillbeincorporatedintothesetestmethods.1.1.2Thesecondtestmethodisthe"TestMethodforField-PreparedSpecimens."Itspurposeistoevaluatethebondstrength(underthegivenconditions)ofaparticularunit-mortarcombination,eitherforpreconstructionevaluationofmaterialsorforqualitycontrolpurposesduringconstruction.Mortarsarebatchedconventionally,andtheflowisnotprescribed.Prismsareconstructedconventionally(nojig)andarebag-cured.1.1.3Thetwotestmethodsarenotconsistent,noraretheyintendedtobe.Theyareintendedtobeusedfortwodifferentpurposes.Tomakethisclear,thetwomethodsarepresentedseparately.1.1.4suggeststwopossiblecriteriaforassessingthebondstrengthvaluesobtainedusingthesetestmethods.Thesepossibleevaluationcriteriaaregivenforillustrationonlyandarenotmandatory.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P24
【国际标准分类号】:91_080_30(MASONRY)
【页数】:8P.;A4
【正文语种】: