DB50/T 283-2008 城市道路维护工程施工及验收规程
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基本信息
| 标准名称： | 城市道路维护工程施工及验收规程 |
| 发布日期： | 2008-01-01 |
| 实施日期： | 2008-07-01 |
| 首发日期： | |
| 作废日期： | |
| 主管部门： | 重庆市质量技术监督局 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2008-07-01 |
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前言
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引用标准
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所属分类： 农业 林业 林业 木材竹材防腐 农业 农业和林业
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【英文标准名称】:StandardTestMethodforDeterminingDeformabilityandStrengthofWeakRockbyanInSituUniaxialCompressiveTest
【原文标准名称】:现场单轴抗压试验测定软岩石的可加工性和强度的标准试验方法
【标准号】:ASTMD4555-2010
【标准状态】:现行
【国别】:美国
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressiontesting;deformation;insitustressloadingtests;Compressiontesting--rock/relatedmaterials;Deformation--rock;Destructivetesting--soil/rock;Discontinuities--rock;Fieldtesting--rock;Loadingtests--rock/relatedmaterials;Rockm
【摘要】:Sincethereisnoreliablemethodofpredictingtheoverallstrengthanddeformationdataofarockmassfromtheresultsoflaboratorytestsonsmallspecimens,insitutestsonlargespecimensarenecessary,especiallyifthespecimensizerequiredforagivengrainsizewouldexceedthesizethatcanbeobtainedforortestedinalaboratoryasstatedinTestMethodD7012.Suchtestsalsohavetheadvantagethattherockspecimenistestedundersimilarenvironmentalconditionsasprevailingfortherockmass.Sincethestrengthofrockisdependentonthesizeofthetestspecimenanddiscontinuities,itisnecessarytotestseveralspecimens(laboratoryorfield,orboth)ofprogressivelyincreasingsizeuntilanasymptoticallyconstantstrengthvalueisfound.Thisvalueistakentorepresentthestrengthoftherockmass.,Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod;theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticearegenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticedoesnotinitselfassurereliabletesting.Reliabletestingdependsonmanyfactors.Practiceprovidesameansofevaluatingsomeofthosefactors.Thetestmethodisshownonlybeingconductedundergroundandvertical.However,thistestmethodcouldbedoneinaquarryoronthesurfaceifareactionframecouldbesetuptobehaveasareactivesurfaceinplaceofatunnelcrown.1.1Thistestmethodcoversthemeasurementofthedeformabilityandstrengthoflargeinsituspecimensofrockbyauniaxialcompressivetest.Thetestresultstakeintoaccounttheeffectofbothintactmaterialbehaviorandthebehaviorofdiscontinuitiescontainedwithinthespecimenblock.1.2Thistestmethoddoesnotcoverwhichtypeofspecimenshouldbetestedorwhetheranisotropicfactorsshouldbeconsidered.Thespecificsofthetestprogramneedtobedevelopedpriortotestingandpossiblyevenbeforesampling.Suchspecificswouldbedependentontheintendeduseofthedata,aswellasanybudgetaryconstraintsandotherfactors,whichareoutsidethescopeofthistestmethod.1.3Theoreticallythereisnolimittothesizeofthetestspecimen;however,sizewillbecontrolledbythestrengthofthetestspecimenrelativetothecapacityofanyloadingapparatusandbearingcapacityofthesurfacetheapparatusmustreactagainst.Furthermore,theorientationandstrengthofdiscontinuitiesrelativetothespecimengeometrywillbeafactorlimitingspecimensizetoo.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P.;A4
【正文语种】:英语
MIL-C-45224D (NOTICE 1), MILITARY SPECIFICATION: CABLE AND HARNESS ASSEMBLIES, ELECTRICAL, MISSILE SYSTEM: GENERAL SPECIFICATION FOR (10 AUG 1998) [NO S/S DOCUMENT]., This notice should be filed in front of MIL-C-45224D, dated 27 June 1991. MIL-C-45224D is inactive for new design and can be used for replacement purposes only.
【原文标准名称】:现场单轴抗压试验测定软岩石的可加工性和强度的标准试验方法
【标准号】:ASTMD4555-2010
【标准状态】:现行
【国别】:美国
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compressiontesting;deformation;insitustressloadingtests;Compressiontesting--rock/relatedmaterials;Deformation--rock;Destructivetesting--soil/rock;Discontinuities--rock;Fieldtesting--rock;Loadingtests--rock/relatedmaterials;Rockm
【摘要】:Sincethereisnoreliablemethodofpredictingtheoverallstrengthanddeformationdataofarockmassfromtheresultsoflaboratorytestsonsmallspecimens,insitutestsonlargespecimensarenecessary,especiallyifthespecimensizerequiredforagivengrainsizewouldexceedthesizethatcanbeobtainedforortestedinalaboratoryasstatedinTestMethodD7012.Suchtestsalsohavetheadvantagethattherockspecimenistestedundersimilarenvironmentalconditionsasprevailingfortherockmass.Sincethestrengthofrockisdependentonthesizeofthetestspecimenanddiscontinuities,itisnecessarytotestseveralspecimens(laboratoryorfield,orboth)ofprogressivelyincreasingsizeuntilanasymptoticallyconstantstrengthvalueisfound.Thisvalueistakentorepresentthestrengthoftherockmass.,Note18212;Notwithstandingthestatementsonprecisionandbiascontainedinthistestmethod;theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticearegenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticedoesnotinitselfassurereliabletesting.Reliabletestingdependsonmanyfactors.Practiceprovidesameansofevaluatingsomeofthosefactors.Thetestmethodisshownonlybeingconductedundergroundandvertical.However,thistestmethodcouldbedoneinaquarryoronthesurfaceifareactionframecouldbesetuptobehaveasareactivesurfaceinplaceofatunnelcrown.1.1Thistestmethodcoversthemeasurementofthedeformabilityandstrengthoflargeinsituspecimensofrockbyauniaxialcompressivetest.Thetestresultstakeintoaccounttheeffectofbothintactmaterialbehaviorandthebehaviorofdiscontinuitiescontainedwithinthespecimenblock.1.2Thistestmethoddoesnotcoverwhichtypeofspecimenshouldbetestedorwhetheranisotropicfactorsshouldbeconsidered.Thespecificsofthetestprogramneedtobedevelopedpriortotestingandpossiblyevenbeforesampling.Suchspecificswouldbedependentontheintendeduseofthedata,aswellasanybudgetaryconstraintsandotherfactors,whichareoutsidethescopeofthistestmethod.1.3Theoreticallythereisnolimittothesizeofthetestspecimen;however,sizewillbecontrolledbythestrengthofthetestspecimenrelativetothecapacityofanyloadingapparatusandbearingcapacityofthesurfacetheapparatusmustreactagainst.Furthermore,theorientationandstrengthofdiscontinuitiesrelativetothespecimengeometrywillbeafactorlimitingspecimensizetoo.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:7P.;A4
【正文语种】:英语
MIL-C-45224D (NOTICE 1), MILITARY SPECIFICATION: CABLE AND HARNESS ASSEMBLIES, ELECTRICAL, MISSILE SYSTEM: GENERAL SPECIFICATION FOR (10 AUG 1998) [NO S/S DOCUMENT]., This notice should be filed in front of MIL-C-45224D, dated 27 June 1991. MIL-C-45224D is inactive for new design and can be used for replacement purposes only.
