SLJJ 1-17-1981 施工机械安全技术操作规程 第十七分册 电气维护
时间:2024-05-04 16:46:21 来源: 标准资料网 作者：标准资料网 阅读：8551
基本信息
| 标准名称： | 施工机械安全技术操作规程 第十七分册 电气维护 |
| 中标分类： |
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| 发布日期： | |
| 实施日期： | 1994-09-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 15页 |
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引用标准
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所属分类：
【英文标准名称】:Industrialsafetyhelmets;GermanversionEN397:2012
【原文标准名称】:工业用安全头盔
【标准号】:EN397-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-04-01
【实施或试行日期】:2012-04-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Burningbehaviours;Damping;Definitions;Design;Dimensions;Electricalequipment;Electricalinsulation;Ergonomics;Headgear;Helmets;Helmets(protective);Impactstrength;Industries;Insulations;Marking;Materials;Occupationalsafety;Performancerequirements;Physicalproperties;Properties;Protectiveclothing;Protectiveequipment;Safetyengineering;Shock;Specification(approval);Stitches;Temperature;Testing;Ventilation
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_20
【页数】:33P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCompressivePropertiesofPlasticLumberandShapes
【原文标准名称】:塑料层材和形材压缩特性的标准试验方法
【标准号】:ASTMD6108-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressiveproperties;compressivestrength;modulusofelasticity;plasticlumber;plasticshapes;recycledplastic;secantmodulus;stressatagivenstrain;Compressiontesting--plastics;Lumber(plastic);Plasticlumber/shapes;Reinforcedplas
【摘要】:Compressiontestsprovideinformationaboutthecompressivepropertiesofplasticlumberandshapeswhentheseproductsareusedunderconditionsapproximatingthoseunderwhichthetestsaremade.Inthecaseofsomematerials,therewillbeaspecificationthatrequirestheuseofthistestmethod,butwithsomeproceduralmodificationsthattakeprecedencewhenadheringtothespecification.Therefore,itisadvisabletorefertothatmaterialspecificationbeforeusingthistestmethod.Table1inClassificationD4000liststheASTMmaterialsstandardsthatcurrentlyexist.Compressivepropertiesincludemodulusofelasticity,secantmodulus,compressivestrength,andstressatagivenstrain.Inthecaseofamaterialthatfailsincompressionbyashatteringfracture,thecompressivestrengthhasaverydefinitevalue.Inthecaseofamaterialthatdoesnotfailincompressionbyashatteringfracturenorexhibitsacompressiveyieldpoint,thecompressivestrengthisanarbitraryonedependinguponthedegreeofdistortionthatisregardedasindicatingcompletefailure.Manyplasticlumbermaterialswillnotexhibitatrueyieldpoint.Compressivestrengthcanhavenorealmeaninginsuchcases.Forplasticlumber,thestressatagivenstrainof3%(0.03in./in.(mm/mm))istypicallyused.Compressiontestsprovideastandardmethodofobtainingdataforresearchanddevelopment,qualitycontrol,acceptanceorrejectionunderspecifications,andspecialpurposes.Thetestscannotbeconsideredsignificantforengineeringdesigninapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Suchapplicationsrequireadditionaltestssuchasimpact,creep,andfatigue.1.1Thistestmethodcoversthedeterminationofthemechanicalpropertiesofplasticlumberandshapes,whentheentirecross-sectionisloadedincompressionatrelativelylowuniformratesofstrainingorloading.Testspecimensinthex201C;as-manufacturedx201D;formareemployed.Assuch,thisisatestmethodforevaluatingthepropertiesofplasticlumberorshapesasaproductandnotamaterialpropertytestmethod.1.2Plasticlumberandplasticshapesarecurrentlymadepredominantlywithrecycledplastics.However,thistestmethodwouldalsobeapplicabletosimilarmanufacturedplasticproductsmadefromvirginresins,orwheretheproductisnon-homogenousinthecross-section.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothistestmethod.
【中国标准分类号】:G33
【国际标准分类号】:83_140_01
【页数】:5P.;A4
【正文语种】:英语