JB/T 6275-1992 甘蔗收获机械 试验方法

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基本信息
标准名称:甘蔗收获机械 试验方法
中标分类: 农业、林业 >> 农、林机械与设备 >> 农机具
替代情况:替代NJ 208-80;被JB/T 6275-2007替代
发布部门:中国农业机械化科学研究院
发布日期:1992-06-10
实施日期:1993-07-01
首发日期:1900-01-01
作废日期:2008-03-01
归口单位:中国农业机械化科学研究院
出版日期:1900-01-01
页数:24 页
批文号:机电科标[1992]877号
适用范围

本标准规定了甘蔗收获机械的田间试验方法。 本标准适用于甘蔗收获机械。

前言

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引用标准

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所属分类: 农业 林业 农 林机械与设备 农机具
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【英文标准名称】:StandardPracticeforSamplingFreshlyMixedConcrete
【原文标准名称】:新鲜预拌混凝土取样的标准实施规程
【标准号】:ASTMC172/C172M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C09.60
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:空气含量;批次;混合样品;混凝土;坍落度;温度
【英文主题词】:aircontent;batch;compositesample;concrete;slump;temperature
【摘要】:Thispracticeisintendedtoprovidestandardrequirementsandproceduresforsamplingfreshlymixedconcretefromdifferentcontainersusedintheproductionortransportationofconcrete.Thedetailedrequirementsastomaterials,mixtures,aircontent,temperature,numberofspecimens,slump,interpretationofresults,andprecisionandbiasareinspecifictestmethods.1.1Thispracticecoversproceduresforobtainingrepresentativesamplesoffreshconcreteasdeliveredtotheprojectsiteonwhichtestsaretobeperformedtodeterminecompliancewithqualityrequirementsofthespecificationsunderwhichtheconcreteisfurnished(Note1).Thepracticeincludessamplingfromstationary,pavingandtruckmixers,andfromagitatingandnonagitatingequipmentusedtotransportcentral-mixedconcrete.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Note18212;Compositesamplesarerequiredbythispractice,unlessspecificallyexceptedbyproceduresgoverningtheteststobeperformedsuchasteststodetermineuniformityofconsistencyandmixerefficiency.Proceduresusedtoselectthespecifictestbatchesarenotdescribedinthispractice,butitisrecommendedthatrandomsamplingbeusedtodetermineoverallspecificationcompliance.1.3Thispracticealsocoverstheprocedurestobeusedforpreparingasampleofconcreteforfurthertestingwhereitisdesirableornecessarytoremovetheaggregatelargerthanadesignatedsize.Thisremovaloflargeraggregateparticlesispreferablyaccomplishedbywet-sieving.1.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterialandshallnotbeconsideredasrequirementsofthepractice.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】:


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Title:Rings, Sealing, Fluorocarbon (Fkm) Rubber High-Temperature-Fluid Resistant Low Compression Set 85 to 95
Issuing Committee:Ams Ce Elastomers Committee
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