【英文标准名称】:StandardTestMethodforMeasuringConsistencyofCastableRefractoryUsingaFlowTable
【原文标准名称】:用流动稠度试验台测量可浇注耐火材料粘稠度的标准试验方法
【标准号】:ASTMC1445-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C08.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:混凝土;粘稠度;流动;流动台;测量;混合;耐火的;耐火材料;表;桌子;试验方法
【英文主题词】:castable;concrete;consistency;flow;flow-table;mixing;refractory
【摘要】:Theamountofwaterusedinacastablemixforpreparingtestspecimenshasasignificantinfluenceonsubsequenttestresults.Thistestmethodisusedprimarilytodetermineandreproducetheconsistencyrequiredfortheoptimumcastingofrefractorycastablesinthepreparationoftestspecimensandtoexpressthatconsistencyquantitatively.Thecorrectwatercontentisoneofthemajorfactorsthatmustbecontrolledtoobtainuniformtestspecimens.Excesswatercanreducestrength,increasevolumeshrinkage,andpromotesegregationofthecastableingredients.Insufficientwatercanproducex201C;honeycombsx201D;(airvoids)inthecastablebecauseofpoorconsolidationduringplacementandpreventcompletehydrationofcement.Theflowtable(seesketchesinSpecificationC230/C230M)hasbeenfoundtobeanexcellenttoolformeasuringtheconsistencyofacastableandshouldbeusedincaseswhereanumericalresultisrequired.Sincecastablesdiffersomewhatintheirx201C;bodyx201D;orplasticity,ithasbeenfoundthatagoodcastingrange,expressednumerically,mightvaryfromcastabletocastable.Whileonematerialmaycastwellbetween40and60%flow,anothermaterialmayneedtobeinthe60to80%flowrangetoproperlyflow.Becauseofthis,ithasbeenfoundthatnoarbitraryoptimumrangecanbestatedforallcastables.Theflowtablethenbecomesatoolformeasuringtheflowandnotdeterminingit.Itcanallowtheoperatortofollowthemanufacturerrsquo;recommendationsortoreproducetheconsistencyofaparticularcastablebetweenlaboratories.Totaltimeofwetmixingmustbecloselycontrolledtoobtainreproducibleresults.Thistestmethodisnotintendedtobeusedtodeterminetheproperwatercontentforgunningapplications,althoughitmayprovideinformationofvalueforinterpretationbyaskilledoperator.1.1Thistestmethodcoverstheprocedurefordeterminingtheconsistencyofcastablerefractorymixesbytheflowtablemethod.1.2Thistestmethodappliestoregularweightcastablerefractories,insulatingcastablerefractories,andcastablerefractoriesthatrequireheavyvibrationforforming,whicharedescribedinClassificationC401.Theyalsoapplytosuchcastablescontainingmetalfibers.1.3Thevaluesstatedininch-pound-unitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
基本信息
标准名称: | 定向钻进技术规范 |
中标分类: |
矿业 >>
矿业综合 >>
基础标准与通用方法 |
发布部门: | 中华人民共和国地质矿产部 |
发布日期: | 1993-02-19 |
实施日期: | 1993-07-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 中华人民共和国地质矿产部 |
归口单位: | 全国地质矿产标准化技术委员会 |
起草单位: | 中华人民共和国地质矿产部勘查技术司 |
起草人: | 汤顺德、汤国起、朱恒银、戴智长 |
出版日期: | 1993-07-01 |
页数: | 16开, 页数:17, 字数:30千字 |
适用范围
本规范是对钻探工程中定向钻进的各种生产活动作出的规定,不包括油、气井定向钻进。本规范是定向钻进设计、施工、管理、检验等项工作的重要依据和准则,各单位现场操作人员、科研设计人员和技术、行政管理人员都应遵照执行。本规范各条、款对定向钻进仅作原则性规定,各单位在贯彻执行时,可在本规范确定的原则范围内,因地制宜地制订实施细则和补充规定。
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所属分类: 矿业 矿业综合 基础标准与通用方法