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SL 221-1998 中小河流水能开发规划导则 SL 221-98

作者:标准资料网 时间:2024-05-25 18:46:23  浏览:8207   来源:标准资料网
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基本信息
标准名称:中小河流水能开发规划导则 SL 221-98
英文名称:The guidelines of hydroenergy development program for medium and small size rivers
中标分类: 工程建设 >> 水利、水电工程 >> 流域规划与江河整治工程
替代情况:被SL 221-2009代替
发布日期:1998-07-09
实施日期:1998-09-01
首发日期:1900-01-01
作废日期:2010-03-21
出版日期:1900-01-01
页数:22页
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: 工程建设 水利 水电工程 流域规划与江河整治工程
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【英文标准名称】:StandardPracticeforStructuralDesignofThermoplasticCorrugatedWallStormwaterCollectionChambers
【原文标准名称】:热塑波纹壁雨水收集室结构设计的标准实施规程
【标准号】:ASTMF2787-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F17.65
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chamber;corrugated;creep;localbuckling;stormwater;structuraldesign;thermoplastic
【摘要】:Thispracticeprovidesarationalmethodforstructuraldesignofthermoplasticstormwaterchambers.Theloads,capacities,andlimitstatesarebasedonacceptedloadandresistancefactordesignforthermoplasticpipes;however,existingdesignspecificationsforthermoplasticpipesdonotadequatelyaddressthedesignofchambersdueto(1)open-bottomgeometry,(2)supportonintegralfoot,(3)varyingcircumferentialcorrugationgeometry,and(4)manufacturewithalternativethermoplasticresin.Thispracticestandardizesrecommendationsfordesignerstoadequatelyaddresstheseaspectsofchamberdesign.Thispracticeiswrittentoallowchambermanufacturerstoevaluatechambersmeetingexistingclassificationsandtodesignchambersfornewclassificationsastheyaredeveloped.1.1Thispracticestandardizesstructuraldesignofthermoplasticcorrugatedwallarch-shapedchambersusedforcollection,detention,andretentionofstormwaterrunoff.Thepracticeisforchambersinstalledinatrenchorbedandsubjectedtoearthandliveloads.Structuraldesignincludesthecompositesystemmadeupofthechamberarch,thechamberfoot,andthesoilenvelope.Relevantrecognizedpracticesincludedesignofthermoplasticculvertpipesanddesignoffoundations.1.2Thispracticestandardizesmethodsformanufacturersofburiedthermoplasticstructurestodesignforthetimedependentbehaviorofplasticsusingsoilsupportasanintegralpartofthestructuralsystem.Thispracticeisnotapplicabletothermoplasticstructuresthatdonotincludesoilsupportasacomponentofthestructuralsystem.1.3Thispracticeislimitedtostructuraldesignanddoesnotprovideguidanceonhydraulic,hydrologic,orenvironmentaldesignconsiderationsthatmayneedtobeaddressedforfunctionaluseofstormwatercollectionchambers.1.4Stormwaterchambersaremostcommonlyembeddedinopengraded,angularaggregatewhichprovidebothstructuralsupportandopenporosityforwaterstorage.Shouldsoilsotherthanopengraded,angularaggregatebespecifiedforembedment,otherinstallationandfunctionalconcernsmayneedtobeaddressedthatareoutsidethescopeofthispractice.1.5Chambersareproducedinarchshapestomeetclassificationsthatspecifychamberrise,chamberspan,minimumfootwidth,minimumwallthickness,andminimumarchstiffnessconstant.Chambersaremanufacturedwithintegralfootings.1.6PolypropylenechamberclassificationsarefoundinSpecificationF2418.SpecificationF2418alsospecifieschambermanufactureandqualification.1.7Thispracticeisapplicabletodesignininch-poundunits.TheSIunitsinparenthesisaregivenforinformationonly.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:83_140_99
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:Gascylinders.Outletconnectionsforgascylindervalvesforcompressedbreathableair.Threadedconnections
【原文标准名称】:气瓶.压缩可呼吸空气用气瓶阀的放气连接器.螺纹式连接器
【标准号】:BSEN12209-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-03-15
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofISO12209specifiesthecharacteristicsofthethreadedtypeoutletconnectionsforgascylindervalvesforcompressedbreathableaircylinders,uptoamaximumcylinderworkingpressureof230barand300bar.Itstatesthefundamentalrequirementsforboththeconnectionanditscomponentsandincludesbasicdimensions.ThispartofISO12209isnotapplicabletoconnectionsdescribedinEN144-2[1].AnnexAgivestheoutletconnectionprototypequalificationtestprocedures.
【中国标准分类号】:Y71
【国际标准分类号】:23_020_30;23_060_40
【页数】:22P.;A4
【正文语种】:英语



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