JB/T 53208-1994 外滤面转鼓真空过滤机 产品质量分等
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基本信息
| 标准名称： | 外滤面转鼓真空过滤机 产品质量分等 |
| 替代情况： | JB/TQ688-88 |
| 发布部门： | 合肥通用机械所 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
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： 电子元器件与信息技术 半导体分立器件 半导体整流器件
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【英文标准名称】:StandardTestMethodforLoadControlledCyclicTriaxialStrengthofSoil
【原文标准名称】:土壤的负荷控制三向疲劳强度的标准试验方法
【标准号】:ASTMD5311-1992(2004)e1
【标准状态】:现行
【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(US-ASTM)
【起草单位】:D18.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:consolidated-undrainedtests;cohesionlesssoils;laboratorytests;liquefaction;triaxialtests;Axialstrain;Cohesionlesssoil;Consolidated-undrainedtests;Cyclicstrengthtests;Liquefaction;Loadcontrolledcyclictriaxialtechnique;Loadingt
【摘要】:Cyclictriaxialstrengthtestresultsareusedforevaluatingtheabilityofasoiltoresisttheshearstressesinducedinasoilmassduetoearthquakeorothercyclicloading.Cyclictriaxialstrengthtestsmaybeperformedatdifferentvaluesofeffectiveconfiningpressureonisotropicallyconsolidatedspecimenstoprovidedatarequiredforestimatingthecyclicstabilityofasoil.Cyclictriaxialstrengthtestsmaybeperformedatasingleeffectiveconfiningpressure,usuallyequalto14.5lb/in.2(100kN/m2),oralternatepressuresasappropriateonisotropicallyconsolidatedspecimenstocomparecyclicstrengthresultsforaparticularsoiltypewiththatofothersoils,Ref(2).Thecyclictriaxialtestisacommonlyusedtechniquefordeterminingcyclicsoilstrength.Cyclicstrengthdependsuponmanyfactors,includingdensity,confiningpressure,appliedcyclicshearstress,stresshistory,grainstructure,ageofsoildeposit,specimenpreparationprocedure,andthefrequency,uniformity,andshapeofthecyclicwaveform.Thus,closeattentionmustbegiventotestingdetailsandequipment.1.1Thistestmethodcoversthedeterminationofthecyclicstrength(sometimescalledtheliquefactionpotential)ofsaturatedsoilsineitherundisturbedorreconstitutedstatesbytheload-controlledcyclictriaxialtechnique.1.2Thecyclicstrengthofasoilisevaluatedrelativetoanumberoffactors,including:thedevelopmentofaxialstrain,magnitudeofappliedcyclicstress,numberofcyclesofstressapplication,developmentofexcesspore-waterpressure,andstateofeffectivestress.Acomprehensivereviewoffactorsaffectingcyclictriaxialtestresultsiscontainedintheliterature(1).1.3Cyclictriaxialstrengthtestsareconductedunderundrainedconditionstosimulateessentiallyundrainedfieldconditionsduringearthquakeorothercyclicloading.1.4Cyclictriaxialstrengthtestsaredestructive.Failuremaybedefinedonthebasisofthenumberofstresscyclesrequiredtoreachalimitingstrainor100%porepressureratio.SeeSection3forTerminology.1.5Thistestmethodisgenerallyapplicablefortestingcohesionlessfreedrainingsoilsofrelativelyhighpermeability.Whentestingwell-gradedmaterials,silts,orclays,itshouldberecognizedthatpore-waterpressuresmonitoredatthespecimenendstonotingeneralrepresentpore-waterpressurevaluesthroughoutthespecimen.However,thistestmethodmaybefollowedwhentestingmostsoiltypesifcareistakentoensurethatproblemsoilsreceivespecialconsiderationwhentestedandwhentestresultsareevaluated.1.6Therearecertainlimitationsinherentinusingcyclictriaxialteststosimulatethestressandstrainconditionsofasoilelementinthefieldduringanearthquake.1.6.1Nonuniformstressconditionswithinthetestspecimenareimposedbythespecimenendplatens.Thiscancausearedistributionofvoidratiowithinthespecimenduringthetest.1.6.2A90x00B0;changeinthedirectionofthemajorprincipalstressoccursduringthetwohalvesoftheloadingcycleonisotropicallyconsolidatedspecimens.1.6.3Themaximumcyclicshearstressthatcanbeappliedtothespecimeniscontrolledbythestressconditionsattheendofconsolidationandthepore-waterpressuresgeneratedduringtesting.Foranisotropicallyconsolidatedcontractive(volumedecreasing)specimentestedincycliccompression,themaximumcyclicshearstressthatcanbeappliedtothespecimenisequaltoone-halfoftheinitialtotalaxialpressure.Sincecohesionlesssoilsarenotcapableoftak......
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Specificationforseamlessandweldedsteeltubesforautomobile,mechanicalandgeneralengineeringpurposes-Specificrequirementsforelectricresistancewelded(includinginductionwelded)steeltubes
【原文标准名称】:汽车制造、机械制造及一般工程用无缝钢管与焊接钢管规范.第5部分:电阻焊和感应焊钢管的特殊要求
【标准号】:BS6323-5-1982
【标准状态】:作废
【国别】:英国
【发布日期】:1982-12-31
【实施或试行日期】:1982-12-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:锰钢;合金钢;焊接;抗拉强度;屈服强度;试验条件;有缝管;化学成分;感应焊接;管;长度;断裂伸长;电阻焊接;电焊;厚度;直径;钢
【英文主题词】:alloysteels;electricwelding;seamedpipes;manganesesteels;yieldstrength;tensilestrength;pipes;length;diameter;resistancewelding;thickness;chemicalcomposition;welding;testingconditions;inductionwelding;steels;elongationatfracture
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_10;77_140_75
【页数】:12P.;A4
【正文语种】:英语
【原文标准名称】:土壤的负荷控制三向疲劳强度的标准试验方法
【标准号】:ASTMD5311-1992(2004)e1
【标准状态】:现行
【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(US-ASTM)
【起草单位】:D18.09
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:consolidated-undrainedtests;cohesionlesssoils;laboratorytests;liquefaction;triaxialtests;Axialstrain;Cohesionlesssoil;Consolidated-undrainedtests;Cyclicstrengthtests;Liquefaction;Loadcontrolledcyclictriaxialtechnique;Loadingt
【摘要】:Cyclictriaxialstrengthtestresultsareusedforevaluatingtheabilityofasoiltoresisttheshearstressesinducedinasoilmassduetoearthquakeorothercyclicloading.Cyclictriaxialstrengthtestsmaybeperformedatdifferentvaluesofeffectiveconfiningpressureonisotropicallyconsolidatedspecimenstoprovidedatarequiredforestimatingthecyclicstabilityofasoil.Cyclictriaxialstrengthtestsmaybeperformedatasingleeffectiveconfiningpressure,usuallyequalto14.5lb/in.2(100kN/m2),oralternatepressuresasappropriateonisotropicallyconsolidatedspecimenstocomparecyclicstrengthresultsforaparticularsoiltypewiththatofothersoils,Ref(2).Thecyclictriaxialtestisacommonlyusedtechniquefordeterminingcyclicsoilstrength.Cyclicstrengthdependsuponmanyfactors,includingdensity,confiningpressure,appliedcyclicshearstress,stresshistory,grainstructure,ageofsoildeposit,specimenpreparationprocedure,andthefrequency,uniformity,andshapeofthecyclicwaveform.Thus,closeattentionmustbegiventotestingdetailsandequipment.1.1Thistestmethodcoversthedeterminationofthecyclicstrength(sometimescalledtheliquefactionpotential)ofsaturatedsoilsineitherundisturbedorreconstitutedstatesbytheload-controlledcyclictriaxialtechnique.1.2Thecyclicstrengthofasoilisevaluatedrelativetoanumberoffactors,including:thedevelopmentofaxialstrain,magnitudeofappliedcyclicstress,numberofcyclesofstressapplication,developmentofexcesspore-waterpressure,andstateofeffectivestress.Acomprehensivereviewoffactorsaffectingcyclictriaxialtestresultsiscontainedintheliterature(1).1.3Cyclictriaxialstrengthtestsareconductedunderundrainedconditionstosimulateessentiallyundrainedfieldconditionsduringearthquakeorothercyclicloading.1.4Cyclictriaxialstrengthtestsaredestructive.Failuremaybedefinedonthebasisofthenumberofstresscyclesrequiredtoreachalimitingstrainor100%porepressureratio.SeeSection3forTerminology.1.5Thistestmethodisgenerallyapplicablefortestingcohesionlessfreedrainingsoilsofrelativelyhighpermeability.Whentestingwell-gradedmaterials,silts,orclays,itshouldberecognizedthatpore-waterpressuresmonitoredatthespecimenendstonotingeneralrepresentpore-waterpressurevaluesthroughoutthespecimen.However,thistestmethodmaybefollowedwhentestingmostsoiltypesifcareistakentoensurethatproblemsoilsreceivespecialconsiderationwhentestedandwhentestresultsareevaluated.1.6Therearecertainlimitationsinherentinusingcyclictriaxialteststosimulatethestressandstrainconditionsofasoilelementinthefieldduringanearthquake.1.6.1Nonuniformstressconditionswithinthetestspecimenareimposedbythespecimenendplatens.Thiscancausearedistributionofvoidratiowithinthespecimenduringthetest.1.6.2A90x00B0;changeinthedirectionofthemajorprincipalstressoccursduringthetwohalvesoftheloadingcycleonisotropicallyconsolidatedspecimens.1.6.3Themaximumcyclicshearstressthatcanbeappliedtothespecimeniscontrolledbythestressconditionsattheendofconsolidationandthepore-waterpressuresgeneratedduringtesting.Foranisotropicallyconsolidatedcontractive(volumedecreasing)specimentestedincycliccompression,themaximumcyclicshearstressthatcanbeappliedtothespecimenisequaltoone-halfoftheinitialtotalaxialpressure.Sincecohesionlesssoilsarenotcapableoftak......
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Specificationforseamlessandweldedsteeltubesforautomobile,mechanicalandgeneralengineeringpurposes-Specificrequirementsforelectricresistancewelded(includinginductionwelded)steeltubes
【原文标准名称】:汽车制造、机械制造及一般工程用无缝钢管与焊接钢管规范.第5部分:电阻焊和感应焊钢管的特殊要求
【标准号】:BS6323-5-1982
【标准状态】:作废
【国别】:英国
【发布日期】:1982-12-31
【实施或试行日期】:1982-12-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:锰钢;合金钢;焊接;抗拉强度;屈服强度;试验条件;有缝管;化学成分;感应焊接;管;长度;断裂伸长;电阻焊接;电焊;厚度;直径;钢
【英文主题词】:alloysteels;electricwelding;seamedpipes;manganesesteels;yieldstrength;tensilestrength;pipes;length;diameter;resistancewelding;thickness;chemicalcomposition;welding;testingconditions;inductionwelding;steels;elongationatfracture
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_10;77_140_75
【页数】:12P.;A4
【正文语种】:英语
