【英文标准名称】:Eurocode8:Designofstructuresforearthquakeresistance-Part4:Silos,tanksandpipelines;EnglishversionofDINEN1998-4:2007-01
【原文标准名称】:欧洲法规8.抗震结构设计.第4部分:筒仓、贮水池和管道
【标准号】:DINEN1998-4-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-01-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:地上;建筑;建设工程;定义;设计;地震防护;抗震设计;欧洲法规;荷载能力;数学计算;管道;管系统;安全验证;地震系数;地震荷载;筒仓;稳定性;储油罐;结构;水箱;地下
【英文主题词】:
【摘要】:(1)ThescopeofEurocode8isdefinedinEN1998-1:2004,1.1.1andthescopeofthisStandardisdefinedinthisclause.AdditionalpartsofEurocode8areindicatedinEN1998-1:2004,1.1.3.(2)Thisstandardspecifiesprinciplesandapplicationrulesfortheseismicdesignofthestructuralaspectsoffacilitiescomposedofabove-groundandburiedpipelinesystemsandofstoragetanksofdifferenttypesanduses,aswellasforindependentitems,suchasforexamplesinglewatertowersservingaspecificpurposeorgroupsofsilosenclosinggranularmaterials,etc.(3)Thisstandardincludestheadditionalcritriaandrulesrequiredfortheseismicdesignofthesestructureswithoutrestrictionsontheirsize,structuraltypesandotherfunctionalcharacteristics.Forsometypesoftanksandsilos,italsoprovidesdetailsmethodsofassessmentandverificationrules.(4)Thisstandardmaynotbecompleteforthosefacilitiesassociatedwithlargeriskstothepopulationortheenviroment,forwhichadditionalrequirementsaretheresponsibilityofthecompetentauthorities.Thisstandardisalsonotcompleteforthoseconstructionworkswhichhaveuncommonstructuralelementsandwhichrequirespecialmeasurestobetakenandspecialstudiestobeperformedtoensureearthquakeprotection.Inthosetwocasesthepresentstandardgivesgeneralprinciplesbutnotdetailedapplicationrules.NOTETheNationalAnnexmayspecifyadditionalrequirementsforfacilitiesassociatedwithlargeriskstothepopulationortheenvironment.(5)Althoughlargediameterpipelinesarewithinthescopeofthisstandard,thecorrespondingdesigncriteriadonotapplyforapparentlysimilarfacilities,liketunnelsandlargeundergroundcavities.(6)Thenatureoflifelinesystemswhichoftencharacterizesthefacilitiescoveredbythisstandardrequiresconcepts,modelsandmethodsthatmaydiffersubstantiallyfromthoseincurrentuseformorecommonstructualtypes.Furthermore,theresponseandthestabilityofsilosandtankssubjectedtostrongseismicactionsmayinvolverathercomplexinterationphenomenabetweensoil-structureandstoredmaterial(eitherfluidorgranular),noteasilyamenabletosimplifieddesignprocedures.Equallychallengingmayprovetobethedesignofapipelinesystemthroughareaswithpoorandpossiblyunstablesoils.Forthereasonsgivenabove,theorganizationofthisstandardistosomeextentdifferentfromthatofotherPartsofEN1998.Thisstandardis,ingeneral,restrictedtobasicprinciplesandmethodologicalapproaches.NOTEDetailedanalysisproceduresgoingbeyondbasicprinciplesandmethodologicalapproachesaregiveninAnnexesAandBforanumberoftypicalsituations.(7)Intheformulationandimplementationofthegeneralrequirements,adistinctionhasbeenmadebetweenindependentstructuresandredundantsystems,viathechoiceofimportancefactorsand/orthroughthedefinitionofspecificverificationcriteria.(8)Ifseismicprotectionofabove-groundpipelinesisprovidedthroughseismicisolationdevicesbetweenthepipelineanditssupports(notablyonpiles),EN1998-2:2005applies,asrelevant.Forthedesignoftanks,silos,orindividualfacilitiesorcomponentsofpipelinesystemswithseismicisolation,therelevantprovisionsofEN1998-1:2004apply.
【中国标准分类号】:P15
【国际标准分类号】:91_120_25
【页数】:83P.;A4
【正文语种】:英语
基本信息
标准名称: | 永磁低速同步电动机通用技术条件 |
中标分类: |
电工 >>
旋转电机 >>
微型电机 |
替代情况: | JB 3705-1984 |
发布部门: | 中华人民共和国机械工业部 |
发布日期: | 1999-08-06 |
实施日期: | 2000-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 全国微电机标准化技术委员会 |
归口单位: | 全国微电机标准化技术委员会 |
起草单位: | 西安微电机研究所、西安微型特种电机厂 |
起草人: | 赵艳芝、冯玉娣、任捷 |
出版社: | 机械工业出版社 |
出版日期: | 2000-01-01 |
页数: | 16页 |
适用范围
本标准规定了永磁低速同步电动机的要求、试验方法、检验规则、质量保证期、标志、包装、运输和贮存等要求。
本标准适用于TYD 系列永磁低速同步电动机(以卜简称电动机) 本系列电动机特点是不需齿轮减速装置,而直接获得60 r/min的恒定转速。
前言
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目录
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引用标准
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所属分类: 电工 旋转电机 微型电机