ASTM D 6866-2006 使用放射性碳和同位素比率质谱分析法测定天然材料中生物基含量的标准试验方法

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【英文标准名称】:StandardPracticesforEstablishingStressGradesforStructuralMembersUsedinLogBuildings
【原文标准名称】:确立原木建筑物用结构构件应力分级的标准实施规范
【标准号】:ASTMD3957-2006
【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】:D07.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:建筑;施工材料;设置;原木;工艺;应力分级;木材
【英文主题词】:logbuilding;roundtimberbeams;stressgrades;structuralmembers;walllogs
【摘要】:1.1Thesepracticescoverthevisualstress-gradingprinciplesapplicabletostructuralwoodmembersofnonrectangularshape,astypicallyusedinlogbuildings.ThesepracticesaremeanttosupplementtheASTMstandardslistedinSection,whichcoverstress-gradingofsawnlumberandroundtimbers.Piecescoveredbythesepracticesmayalsobeusedinbuildingtypesotherthanlogbuildings.1.2Thegradingprovisionsusedasillustrationshereinarenotintendedtoestablishgradesforpurchase,butrathertoshowhowstress-gradingprinciplesareappliedtomembersusedinlogbuildings.Detailedgradingrulesforcommercialstressgradeswhichserveaspurchasespecificationsareestablishedandpublishedbyagenciesthatformulateandmaintainsuchrulesandoperateinspectionfacilitiescoveringthevariousspecies.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P23
【国际标准分类号】:91_080_20
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:StandardSpecificationforGrayIronCastingsforPressure-ContainingPartsforTemperaturesUpto650&*176F
【原文标准名称】:温度达650F受压部件用灰铸铁件的标准规范
【标准号】:ASTMA278-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993
【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】:铁;温度;压力容器;灰口铁;生铁锭;铸件;防压
【英文主题词】:temperature;pigs(castings);iron;pressureproof;castings;greycast-iron;pressurevessels
【摘要】:
【中国标准分类号】:J31
【国际标准分类号】:77_140_80
【页数】:4P;A4
【正文语种】:英语