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ASTM C685/C685M-2010 利用连续混合法和体积配料法制备混凝土的标准规范

作者:标准资料网 时间:2024-05-10 23:33:42  浏览:8470   来源:标准资料网
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【英文标准名称】:StandardSpecificationforConcreteMadebyVolumetricBatchingandContinuousMixing
【原文标准名称】:利用连续混合法和体积配料法制备混凝土的标准规范
【标准号】:ASTMC685/C685M-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】:C09.40
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:预拌混凝土;试验;混凝土结构材料/设施-规范;连续混合操作;预拌混凝土-规范;体积测量-水泥/混凝土
【英文主题词】:ready-mixedconcrete;testing;Concreteconstructionmaterials/applications--specifications;Continuousmixingoperations;Ready-mixedconcrete--specifications;Volumetricmeasurement--cement/concrete
【摘要】:A1.2.1Thesetestsandrequirementsareusedtoevaluateloadingandoperatingprocedures;verifytheaccuracyofproportioningandindicatingsystems;anddetermineifmixinguniformityhasbeendegradedbyexcessivewearorbyaccumulationsofhardenedconcrete,orboth(NoteA1.1).NoteA1.18212;Themethodofloadingthebatching-mixingunit,propermaintenance,andotherfactorsmayhaveaneffectontheabilityoftheunittoproduceuniformlymixedconcrete.Forthisreason,theuseofthistestmethodnotonlymeasurestheefficiencyofthemixer,butalsothecombinedeffectofthemethodofloadingandoperatingtheunit.A1.2.2Thisannexprovidesadditionalproceduresandcautionsthatarenecessaryintheapplicationofexistingtestmethodsandpracticeswhenusedtodeterminetheuniformityoffreshlymixedconcrete.1.1Thisspecificationcoversconcretemadefrommaterialscontinuouslybatchedbyvolume,mixedinacontinuousmixer,anddeliveredtothepurchaserinafreshlymixedandunhardenedstateashereinafterspecified.Requirementsforqualityofconcreteshallbeeitherashereinafterspecifiedorasspecifiedbythepurchaser.Whentherequirementsofthepurchaserdifferfromthisspecification,thepurchaser''sspecificationshallgovern.Thisspecificationdoesnotcovertheplacement,consolidation,finishing,curing,orprotectionoftheconcreteafterdeliverytothepurchaser.Testsandcriteriaforbatchingaccuracyandmixingefficiencyarespecifiedherein.1.2ThevaluesstatedineitherSIunits,showninbrackets,orinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisspecification.1.4Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warningx2014;Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongeduse.)A1.1.1ThisannexincludestestproceduresanduniformityrequirementsforuseintheevaluationofconcreteproducedinconformancewithSpecificationC685/C685Mbyanindividualbatching-mixingunit,loadedtoratedcapacity.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:9P.;A4
【正文语种】:


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【英文标准名称】:TestMethodsforSpecificGravityofHalogenatedOrganicSolventsandTheirAdmixtures
【原文标准名称】:卤化有机溶剂及其混合物的比重试验方法
【标准号】:ASTMD2111-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【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】:溶剂;冷却剂;试验
【英文主题词】:testing;solvents;coolants
【摘要】:
【中国标准分类号】:G63
【国际标准分类号】:71_080_20
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Machineryforforestry-Portablechain-sawsafetyrequirementsandtesting-Part1:Chain-sawsforforestservice(ISO11681-1:2004+Amd.1:2007);GermanversionENISO11681-1:2004+A1:2007
【原文标准名称】:林业机械.便携式链锯的安全要求和测试.第1部分:林业专用链锯(ISO11681-1-2004+Amd.1-2007)
【标准号】:DINENISO11681-1-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-07
【实施或试行日期】:2007-07-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;农用设备;农业机械;农业;自耦变压器起动器;链锯;接触安全装置;连分数;缺陷;电气保护设备;电气安全;紧急停止;平衡;设备安全;人类工效学;废气出口;森林管理;林业;林业设备;林业机械;护手;手柄轴;伤害危险;危害;保健;热的;信息;检验;检验规范;使用说明;内燃机;机器;维修说明书;作标记;机械工程;电动操作;噪声测量;噪声胁强;职业安全;操作说明书;普通控制系统;便携的;轻便机床;动力锯;防事故;保护覆盖层;保护措施;反冲保护器;安全;安全装置;安全工程;安全措施;安全要求;锯床;锯;单手电动锯;规范(验收);测试;有毒气体;有毒液体;用户信息;振动;警告标志;林地培育;木工机械;工作场所安全
【英文主题词】:Accidentprevention;Agriculturalequipment;Agriculturalmachines;Agriculture;Auto-transformerstarters;Chainsaws;Contactsafetydevices;Continuedfraction;Defects;Definition;Definitions;Electricalprotectionequipment;Electricalsafety;Emergencystop;Englishlanguage;Equilibrium;Equipmentsafety;Ergonomics;Fluegasoutlets;Foresttending;Forestry;Forestryequipment;Forestrymachines;Handshields;Handleshafts;Hazardtoinjuries;Hazards;Healthprotection;Hot;Information;Inspection;Inspectionspecification;Instructionsforuse;Internalcombustionengines;Machines;Maintenanceinstructions;Marking;Mechanicalengineering;Motor-operated;Noisemeasurements;Noisestresses;Occupationalsafety;Operatinginstructions;Operationalinstructions;Pedestrian-controlledsystems;Portable;Portablemachinetools;Powersaws;Protectionagainstaccidents;Protectioncoverings;Protectivemeasures;Returnkickprotector;Safety;Safetydevices;Safetyengineering;Safetymeasures;Safetyofmachinery;Safetyrequirements;Sawingmachines;Saws;Single-handmotorsaw;Specification(approval);Testing;Toxicgases;Toxicliquids;Userinformation;Vibration;Warningnotices;Woodculture;Woodworkingmachines;Workplacesafety
【摘要】:ThispartofISO11681dealswiththesignificanthazardsandspecifiessafetyrequirementsandtheirverificationfordesignandconstructionofportablecombustion-engine,hand-heldchain-saws,designedonlyforusebyoneoperatorandintendedforforestwork.Itdescribesmethodsfortheeliminationorreductionofhazardsarisingfromtheiruse.Inadditionitspecifiesthetypeofinformationonsafeworkingpracticestobeprovidedbythemanufacturer.Itdealswithallsignificanthazards.Itdoesnotcoverthehazardfromkickbackformachineswithanenginedisplacementover80cm.Theenvironmentalaspects,exceptfornoise,havenotbeenconsidered.Chain-sawscoveredbythispartofISO11681aredesignedforusebypersonshavingreadandunderstoodthesafetyrequirementsintheinstructionhandbookandusingtheappropriatepersonalprotectiveequipment(PPE).Thechain-sawscoveredaredesignedonlytobeoperatedwiththerighthandontherearhandleandthelefthandonthefronthandle.ThispartofISO11681doesnotcoverthehazardfromkickback(see5.5.1.3)orbalance(see5.4.1)formachineswithanenginedisplacementofmorethan80cm.
【中国标准分类号】:B95
【国际标准分类号】:65_060_80
【页数】:27P;A4
【正文语种】:德语



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