DB43/T 343-2007 动物组织中氯霉素残留量的测定
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基本信息
| 标准名称： | 动物组织中氯霉素残留量的测定 |
| 发布部门： | 湖南省质量技术监督局 |
| 发布日期： | 2007-09-15 |
| 实施日期： | 2007-09-15 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | 2007-09-15 |
适用范围
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前言
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目录
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引用标准
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所属分类： 建材 建材产品 水泥 建筑材料和建筑物 建筑材料 水泥 石膏 石灰 砂浆
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【英文标准名称】:StandardTestMethodforConsolidatedUndrainedDirectSimpleShearTestingofCohesiveSoils
【原文标准名称】:压密不排水条件下粘性土的直接剪切测试用标准试验方法
【标准号】:ASTMD6528-2007
【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】:D18.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘性土;再压缩;试样;剪应变;剪切强度;剪切测试;剪切试验;土壤;试验方法
【英文主题词】:clays;cohesivesoils;compactedsamples;consolidatedundrainedtest;consolidationtest;constantvolumetest;intactsamples;recompression;reconstitutedsamples;samples;shearapparatus;shearstrain;shearstrength;sheartest;simpleshear;soils;
【摘要】:Theshearstrengthofaspecimendependsonthesoiltype,normalconsolidationstress,timeofconsolidation,rateofstrain,andpriorstresshistoryofthesoil.Inthistest,theshearstrengthismeasuredunderconstantvolumeconditionsthatareequivalenttoundrainedconditionsforasaturatedspecimen;hence,thetestisapplicabletofieldconditionswhereinsoilshavefullyconsolidatedunderonesetofstresses,andthenaresubjectedtochangesinstresswithouttimeforfurtherdrainagetotakeplace.Theconstantvolume(undrained)strengthisafunctionofstressconditions.Inthistestmethod,thestrengthismeasuredunderplanestrainconditionsandtheprinciplestressescontinuouslyrotateduetotheapplicationofshearstress.Thissimpleshearstressconditionoccursinmanyfieldsituationsincludingzonesbelowalongembankmentandaroundaxiallyloadedpiles.Thestateofstresswithinthesimpleshearspecimenisnotsufficientlydefinednoruniformenoughtoallowrigorousinterpretationoftheresults.Expressingthedataintermsoftheshearstressandnormaleffectivestressonthehorizontalplaneisusefulforengineeringpurposes,butshouldnotbeconfusedwiththeeffectivestressparametersderivedfromothersheartestshavingbetterdefinedstatesofstress.Thevaluesofthesecantshearmoduluscanbeusedtoestimatetheinitialsettlementsofembankmentsbuiltonsaturatedcohesivesoilsduetoundrainedsheardeformations.ThedatafromtheconsolidationportionofthistestarecomparabletoresultsobtainedusingTestMethodD2435providedthatthemorerigorousconsolidationprocedureofTestMethodD2435isfollowed.5.6.1TheaxialdisplacementsmeasuredfromTestMethodD2435aresomewhatsmallerthanforthesimplesheartestbecausethespecimenrsquo;lateralconfinementislessrigidandthetopplatenisunabletorotate.5.6.2Theestimatedpreconsolidationpressureiscomparableprovidedthespecimenisloadedsufficientlyintothenormallyconsolidatedrange.5.6.3Therateofconsolidationiscomparable.1.1Thistestmethoddefinesequipmentspecificationsandtestingproceduresforthemeasurementofconstantvolumestrengthandstress-straincharacteristicsofcohesivesoilsafterone-dimensionalconsolidationusingaconstantrateofsimplesheardeformationmodeofloading.Theconstantvolumeconditionisequivalenttotheundrainedconditionforsaturatedspecimens.1.2Thistestmethodiswrittenspecificallyfordevicesthattestrectangularparallelepipedorcylindricalspecimens.Othermoregeneraldevices,suchasthetorsionalshearhollowcylinder,maybeusedtoperformconsolidatedconstantvolumesimplesheartestsbutarebeyondthescopeofthistestmethod.1.3Thistestmethodisapplicabletotestingintact,laboratoryreconstituted,andcompactedsoils,however,itdoesnotincludespecificguidanceforreconstitutingorcompactingtestspecimens.1.4Itshallbetheresponsibilityoftheagencyrequestingthistesttospecifythemagnitudeofthenormalconsolidationstresspriortoconstantvolumeshearand,whenappropriate,themaximumnormalconsolidationstress,whichwillresultinanoverconsolidatedspecimen.1.5AllrecordedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.5.1Theproceduresusedtospecifyhowdataarecollected/recordedandcalculatedinthistestmethodareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation......
【中国标准分类号】:P22
【国际标准分类号】:13_080_20
【页数】:9P.;A4
【正文语种】:
【原文标准名称】:压密不排水条件下粘性土的直接剪切测试用标准试验方法
【标准号】:ASTMD6528-2007
【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】:D18.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粘性土;再压缩;试样;剪应变;剪切强度;剪切测试;剪切试验;土壤;试验方法
【英文主题词】:clays;cohesivesoils;compactedsamples;consolidatedundrainedtest;consolidationtest;constantvolumetest;intactsamples;recompression;reconstitutedsamples;samples;shearapparatus;shearstrain;shearstrength;sheartest;simpleshear;soils;
【摘要】:Theshearstrengthofaspecimendependsonthesoiltype,normalconsolidationstress,timeofconsolidation,rateofstrain,andpriorstresshistoryofthesoil.Inthistest,theshearstrengthismeasuredunderconstantvolumeconditionsthatareequivalenttoundrainedconditionsforasaturatedspecimen;hence,thetestisapplicabletofieldconditionswhereinsoilshavefullyconsolidatedunderonesetofstresses,andthenaresubjectedtochangesinstresswithouttimeforfurtherdrainagetotakeplace.Theconstantvolume(undrained)strengthisafunctionofstressconditions.Inthistestmethod,thestrengthismeasuredunderplanestrainconditionsandtheprinciplestressescontinuouslyrotateduetotheapplicationofshearstress.Thissimpleshearstressconditionoccursinmanyfieldsituationsincludingzonesbelowalongembankmentandaroundaxiallyloadedpiles.Thestateofstresswithinthesimpleshearspecimenisnotsufficientlydefinednoruniformenoughtoallowrigorousinterpretationoftheresults.Expressingthedataintermsoftheshearstressandnormaleffectivestressonthehorizontalplaneisusefulforengineeringpurposes,butshouldnotbeconfusedwiththeeffectivestressparametersderivedfromothersheartestshavingbetterdefinedstatesofstress.Thevaluesofthesecantshearmoduluscanbeusedtoestimatetheinitialsettlementsofembankmentsbuiltonsaturatedcohesivesoilsduetoundrainedsheardeformations.ThedatafromtheconsolidationportionofthistestarecomparabletoresultsobtainedusingTestMethodD2435providedthatthemorerigorousconsolidationprocedureofTestMethodD2435isfollowed.5.6.1TheaxialdisplacementsmeasuredfromTestMethodD2435aresomewhatsmallerthanforthesimplesheartestbecausethespecimenrsquo;lateralconfinementislessrigidandthetopplatenisunabletorotate.5.6.2Theestimatedpreconsolidationpressureiscomparableprovidedthespecimenisloadedsufficientlyintothenormallyconsolidatedrange.5.6.3Therateofconsolidationiscomparable.1.1Thistestmethoddefinesequipmentspecificationsandtestingproceduresforthemeasurementofconstantvolumestrengthandstress-straincharacteristicsofcohesivesoilsafterone-dimensionalconsolidationusingaconstantrateofsimplesheardeformationmodeofloading.Theconstantvolumeconditionisequivalenttotheundrainedconditionforsaturatedspecimens.1.2Thistestmethodiswrittenspecificallyfordevicesthattestrectangularparallelepipedorcylindricalspecimens.Othermoregeneraldevices,suchasthetorsionalshearhollowcylinder,maybeusedtoperformconsolidatedconstantvolumesimplesheartestsbutarebeyondthescopeofthistestmethod.1.3Thistestmethodisapplicabletotestingintact,laboratoryreconstituted,andcompactedsoils,however,itdoesnotincludespecificguidanceforreconstitutingorcompactingtestspecimens.1.4Itshallbetheresponsibilityoftheagencyrequestingthistesttospecifythemagnitudeofthenormalconsolidationstresspriortoconstantvolumeshearand,whenappropriate,themaximumnormalconsolidationstress,whichwillresultinanoverconsolidatedspecimen.1.5AllrecordedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.1.5.1Theproceduresusedtospecifyhowdataarecollected/recordedandcalculatedinthistestmethodareregardedastheindustrystandard.Inaddition,theyarerepresentativeofthesignificantdigitsthatshouldgenerallyberetained.Theproceduresuseddonotconsidermaterialvariation......
【中国标准分类号】:P22
【国际标准分类号】:13_080_20
【页数】:9P.;A4
【正文语种】:
基本信息
| 标准名称： | 飞机螺旋桨通用技术要求 |
| 英文名称： | General technical requirements of propeller for aircraft |
| 中标分类： | 航空、航天 >> 航空发动机及其附件 >> 发动机辅助系统及其附件 |
| ICS分类： | 航空器和航天器工程 >> 航空航天发动机和推进系统 |
| 发布日期： | 2006-12-15 |
| 实施日期： | 2007-05-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 20 |
适用范围
本标准规定了飞机螺旋桨设计、试验与验证的通用技术要求。本标准适用于各类飞机螺旋桨。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 航空 航天 航空发动机及其附件 发动机辅助系统及其附件 航空器和航天器工程 航空航天发动机和推进系统
