SAE J1093 Latticed Crane Boom Systems--Analytical Procedure

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Product Code:SAE J1093
Title:Latticed Crane Boom Systems--Analytical Procedure
Issuing Committee:Cranes And Lifting Devices Committee
Scope: This SAE Information Report applies to wire rope supported, latticed crane boom systems mounted on mobile construction type cranes for lift crane service. The purpose of this document is to establish criteria for the analytical evaluation of the basic structural competence of wire rope supported latticed crane boom systems. The criteria and procedures specified include the evaluation of elastic stability for the overall boom system and individual members of the system.
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【英文标准名称】:Mobileroadconstructionmachinery-Safety-Part2:specificrequirementsforroad-millingmachines.
【原文标准名称】:移动式筑路机械.安全性.第2部分:路面碾磨机的特殊要求
【标准号】:NFE58-040-2/IN1-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-12-01
【实施或试行日期】:
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P97
【国际标准分类号】:53_100;93_080_10
【页数】:2P;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforChipImpactStrengthofPlastics
【原文标准名称】:塑料碎片冲击强度的标准试验方法
【标准号】:ASTMD4508-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:冲击;冲击强度;冲击试验;塑料;耐力;溶剂;试验;风化
【英文主题词】:breakingenergy;cantileverimpact;chipimpactstrength;impactplastics;impacttesting;microcracks;pendulum;plastics;smallspecimenimpact;weatheredimpactstrength
【摘要】:1.1Thepurposeofthistestmethodistoprovideanimpacttestthatcanbeperformedonsmallspecimensofplasticsofdifferentthicknesses.Thistestmethodisespeciallysuitedforobservingtheeffectsofmicrocrackscausedbyweathering,orbyexposuretosolventsorotherhostileenvironments,onthesurfaceofplasticmaterials.Itisnotmeanttobeusedasareplacementforanyexistingimpacttest,butcanbeusedtomeasureimpactoncouponsmachinedfromfinishedpartsthatcannotbetestedbythedrop-weight,Izod,orCharpymethodbecauseofshapeorthicknesslimitations.1.2Thechip-impacttestisrunonsmall,flat,unnotchedspecimensusingastandardpendulum-impactdevice.Thetestplacestheimpactedsurfaceintensionand,fornotch-sensitivematerials,isextremelysensitivetothepresenceofsurfacemicrocracks.Thus,forplasticsthatdevelopsurfacecrackswhenexposedoutdoors,thechip-impacttestisaseveretestoftheweatheredimpactstrength.1.3Round-robintestinghasindicatedthatmaterialsthatbreakattotalenergyvaluesoflessthan0.17joules[1.5in.-lbf]havewithin-laboratorycoefficientsofvariationofapproximately30%.Therefore,suchvaluesareconsideredoutofthenormaltestingrangeforthistest.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninbracketsareforinformationonly.1.5ThereisnoISOequivalenttothistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:6P.;A4
【正文语种】: