【英文标准名称】:Eurocode8.Designofstructuresforearthquakeresistance-Silos,tanksandpipelines
【原文标准名称】:欧洲法规8.抗震结构的设计.筒仓,贮水池和管道
【标准号】:BSEN1998-4-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【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】: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;安全确认;地震系数;地震荷载;筒仓;稳定性;储存罐;结构;水箱;地下
【英文主题词】:Aboveground;Construction;Constructionworks;Definitions;Design;Earthquakeprotection;Earthquake-resistantdesign;Eurocode;Loadcapacity;Mathematicalcalculations;Pipelines;Safetyverification;Seismiccoefficient;Seismicloading;Silos;Stability;Storagetank;Structures;Tanks(containers);Underground
【摘要】:(1)ThescopeofEurocode8isdefinedinEN1998-1:2004,1.1.1andthescopeofthisStandardisdefinedinthisclause.AdditionalpartsofEurocode8areindicatedinEN1998-1:2004,1.1.3.(2)Thisstandardspecifiesprinciplesandapplicationrulesfortheseismicdesignofthestructuralaspectsoffacilitiescomposedofabove-groundandburiedpipelinesystemsandofstoragetanksofdifferenttypesanduses,aswellasforindependentitems,suchasforexamplesinglewatertowersservingaspecificpurposeorgroupsofsilosenclosinggranularmaterials,etc.(3)Thisstandardincludestheadditionalcriteriaandrulesrequiredfortheseismicdesignofthesestructureswithoutrestrictionsontheirsize,structuraltypesandotherfunctionalcharacteristics.Forsometypesoftanksandsilos,italsoprovidesdetailedmethodsofassessmentandverificationrules.(4)Thisstandardmaynotbecompleteforthosefacilitiesassociatedwithlargeriskstothepopulationortheenvironment,forwhichadditionalrequirementsaretheresponsibilityofthecompetentauthorities.Thisstandardisalsonotcompleteforthoseconstructionworkswhichhaveuncommonstructuralelementsandwhichrequirespecialmeasurestobetakenandspecialstudiestobeperformedtoensureearthquakeprotection.Inthosetwocasesthepresentstandardgivesgeneralprinciplesbutnotdetailedapplicationrules.NOTETheNationalAnnexmayspecifyadditionalrequirementsforfacilitiesassociatedwithlargeriskstothepopulationortheenvironment.(5)Althoughlargediameterpipelinesarewithinthescopeofthisstandard,thecorrespondingdesigncriteriadonotapplyforapparentlysimilarfacilities,liketunnelsandlargeundergroundcavities.(6)Thenatureoflifelinesystemswhichoftencharacterizesthefacilitiescoveredbythisstandardrequiresconcepts,modelsandmethodsthatmaydiffersubstantiallyfromthoseincurrentuseformorecommonstructuraltypes.Furthermore,theresponseandthestabilityofsilosandtankssubjectedtostrongseismicactionsmayinvolverathercomplexinteractionphenomenabetweensoil-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】:84P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 摆线齿轮磨齿机 参数 |
| 中标分类： |
机械 >>
金属切削机床 >>
齿轮与螺纹加工机床 |
| 替代情况： | 被JB/T 6198.1-2007代替 |
| 发布部门： | 上海磨床所 |
| 发布日期： | 1992-07-01 |
| 实施日期： | 1993-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2008-03-01 |
| 归口单位： | 上海磨床研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 4 页 |
| 批文号： | 机电科标[1992]1024号 |
适用范围
本标准规定了立式摆线齿轮磨齿机的参数。
前言
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目录
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引用标准
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所属分类： 机械 金属切削机床 齿轮与螺纹加工机床