【英文标准名称】:StandardSpecificationforCarbonSteelBoltsandStuds,60000PSITensileStrength
【原文标准名称】:抗拉强度为60000PSI的碳素钢螺栓和螺柱的标准规范
【标准号】:ASTMA307-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;碳素钢;螺栓;抗拉强度;螺柱;紧固件
【英文主题词】:tensilestrength;bolts;carbonsteels;steels;fasteners;studs(fasteners)
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforCalculatingBendingStrengthDesignAdjustmentFactorsforFire-Retardant-TreatedPlywoodRoofSheathing
【原文标准名称】:火焰阻滞剂处理的胶合板屋顶盖板计算弯曲强度设计调节因素的标准操作规程
【标准号】:ASTMD6305-2002e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:胶合板;屋顶;抗弯强度;防火剂
【英文主题词】:designloadvalues;fireretardanttreatment;plywood;strengthtest;
【摘要】:Thispracticedevelopstreatmentfactorsthatshallbeusedbyfireretardantchemicalmanufacturerstoadjustbendingstrengthdesignvaluesforuntreatedplywoodtoaccountforthefire-retardanttreatmenteffects.Thispracticeusesdatafromreferencethermal-loadcyclesdesignedtosimulatetemperaturesinslopedroofsofcommondesigntoevaluateproductsfor50iterations.Thispracticeappliestomaterialinstalledusingconstructionpracticesrecommendedbythefireretardantchemicalmanufacturersthatincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.Thispracticeisnotmeanttoapplytobuildingswithsignificantlydifferentdesignsthanthosedescribedin1.3.TestMethodD5516causedthermallyinducedstrengthlossesinlaboratorysimulationswithinareasonablyshortperiod.Theenvironmentalconditionsusedinthelaboratory-activatedchemicalreactionsthatareconsideredtobesimilartothoseoccurringinthefield.Thisassumptionisthefundamentalbasisofthispractice.1.1Thispracticecoversproceduresforcalculatingbendingstrengthdesignadjustmentfactorsforfire-retardant-treatedplywoodroofsheathing.Themethodsutilizetheresultsofstrengthtestingafterexposureatelevatedtemperaturesandcomputer-generatedthermalloadprofilesreflectiveofexposuresencounteredinnormalserviceconditionsinawidevarietyofclimates.1.2Necessarily,commonlaboratorypracticeswereusedtodevelopthemethodsherein.Itisassumedthattheprocedureswillbeusedforfire-retardant-treatedplywoodinstalledusingappropriateconstructionpracticesrecommendedbythefireretardantchemicalmanufacturers,whichincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.1.3Theheatgains,solarloads,roofslopes,ventilationrates,andotherparametersusedinthispracticewerechosentoreflectcommonslopedroofdesigns.Thispracticeisapplicabletoroofsof3in12orsteeperslopes,toroofsdesignedwithventareasandventlocationsconformingtonationalstandardsofpracticeandtodesignsinwhichthebottomsideofthesheathingisexposedtoventilationair.Theseconditionsmaynotapplytosignificantlydifferentdesignsandthereforethispracticemaynotapplytosuchdesigns.1.4InformationandabriefdiscussionsupportingtheprovisionsofthispracticeareintheCommentaryintheappendix.Alarge,moredetailed,separateCommentaryisalsoavailablefromASTM.1.5Themethodologyinthispracticeisnotmeanttoaccountforallreportedinstancesoffire-retardantplywoodundergoingprematureheatdegradation.1.6Thispracticeiswrittenininch-poundunitswithSIunitsprovidedinparenthesesforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:6P.;A4
【正文语种】:
基本信息
标准名称: | 辐照薯干酒卫生标准 |
英文名称: | Hygienic standard for irradiated sweetpotato wine |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
食品卫生 |
ICS分类: |
食品技术 >>
谷物、豆类及其制品
|
发布部门: | 卫生部 |
发布日期: | 1994-02-02 |
实施日期: | 1994-07-01 |
首发日期: | 1994-02-23 |
作废日期: | 2005-10-14 |
主管部门: | 卫生部 |
归口单位: | 卫生部 |
起草单位: | 四川省卫生防疫站 |
出版日期: | 1900-01-01 |
页数: | 3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: 医药 卫生 劳动保护 卫生 食品卫生 食品技术 谷物 豆类及其制品