给排水工程外文翻译Word下载.docx
- 文档编号:15074760
- 上传时间:2022-10-27
- 格式:DOCX
- 页数:12
- 大小:30.04KB
给排水工程外文翻译Word下载.docx
《给排水工程外文翻译Word下载.docx》由会员分享,可在线阅读,更多相关《给排水工程外文翻译Word下载.docx(12页珍藏版)》请在冰豆网上搜索。
Decadehaswitnessedgreatchangesinthedesignoftheroofdrainagesystemrecently,particularly,siphonrainwaterdrainagesystemhasbeengraduallyimproved,andthereislikelytobethekeyapplication.Atthesametimethesechanges,urbandrainagesystemdesignhasundergonetremendouschanges,becausethescopeofawiderurbandrainagesystemdesignforsustainabledevelopment,aswellaspeopleforclimatechangefloodingmoreattention.Themaincontentsofthisarticleishowtodesignroofdrainagesystemsandmakeagoodperformance.Specialattentionishowtogetridofbadhabitsalreadyformedthedesign,butalsoneedtoconsiderinnovativeroofdrainagesystem,suchasgreenroofsandrainwaterharvestingsystems.
Practicalapplication:
Inthepastfewyears,thedesignoftheroofrainwaterdrainagesystemhasundergonetremendouschanges.Onlargebuildings,siphonrainwaterdrainagetechnologyhasbeenverycommon,aswellasgreenroofsbecauseitisconducivetogreendevelopment,beingmoreandmoreapplications.Takingintoaccounttheongoingresearch,thisarticlefocusesonhowtoeffectivelydesignavarietyofroofrainwaterdrainagesystem,andmakeitachievethedesireddesigneffect.
1.Introduction
Inthepastdecade,thecityandthewaterdrainagesystemdesignhasbeenwidelyacceptedthinkingaboutsustainableurbandrainagesystem,ortheoptimalmanagementdirection.Themainprinciplesofthedesignofthesesystemsisbothalocallevelinlinewiththequalityofdevelopment,butalsotocreatesomeeconomicbenefitsfortheinvestors.Thisprinciplehasledtothedevelopmentofnewchangesinthesump.Althoughtheapplicationofsuchadeviceisgraduallyreduced,buttheurbanenvironmentrelativelyhighdemandareasstillrequire100%waterproofandrapiddrainage,suchastheroof.Typicallyroofdrainagesysteminthedesign,constructionandmaintenancehasnotbeengivendueattention.Althoughthedrainagesysteminvestmentcostsaccountforonlyasmallportionofthetotalconstructioninvestment,butnotabletojudgethelosscausedbypoordesign.
Therearetwodifferentformsofroofdrainagesystemdesignmethods,namelythetraditionalandsiphonmethod.Traditionalsystemsrelyonatmosphericpressurework,thedriveramaffectedsinkflowdepth.Therefore,theconventionalroofdrainagesystemsrequirearelativelylargediameterverticaldroptube,priortodischarge,alldevicesmustbeconnectedtothegroundwatercollectionpipenetwork.Incontrast,siphonicroofdrainagepipesystemsaregenerallydesignedtofullflow(turbulentflowmeansthatrequirelessexhaustpipe),whichwillformanegativepressure,thelargerthehigherflowrateandpressurehead.Typicallysiphonsystemrequireslessdownpipeworkundernegativepressuretothewaterdistributionnetworkcanmeanhigheraltitudework,therebyreducingtheamountofundergroundpipenetwork.
Bothsystemsconsistsofthreeparts:
theroof,rainwatercollectionpipes,pipenetwork.
Alloftheseelementsareabletochangethewaterpressuredistributionsystem.Thissectionfocusesontheroleandperformanceofeachpart.Duetotheprincipleofsiphonsystemhasnotbeenwellunderstood,resultingargumentisrelativelysmall,thisarticlewillhighlightsiphonsystem.
2.Roof
Theroofisusuallydesignedbythearchitect,designerandnotbythedrainagedesign.Therearethreemainroof.
2.1Flatroof
Flatroofsareusedinindustrialbuildingslessrainfallregionsandcountries.Thisroofisnotcompletelyflat,butlowerthantheminimumroofslopemayrequire.Forexample,theUnitedKingdomrequiremaximumslopeof10°
.Settingminimumslopeinordertoavoidanyunnecessarywater.
Despitetheflatroofifitisnotproperlymaintainedwillhavemoreproblems,butitwillreducethedeadzonewithinthebuilding,andtheratioofslopingroofsinfavorofindoorair.
2.2slopingroofs
Mostresidentialandcommercialbuildingsarepitchedroof,inclinedroofisthebiggestadvantagecanquicklydrain,therebyreducingleakage.Intemperateregions,weneedtoconsidercarryingroofsnowload.Onceitrains,rainfallthroughtheslopingroofscanbedeterminedbycalculation.Whenrainfalldatacanbeused,youcanusethekinematictheorytosolvesuchproblems.
2.3greenroof(flatorinclined)
Itcanproveroofistheoldestgreenroofs,includingrainfallcanreduceordisperseroofplantedwithplants.Itcanbeplantedwithtreesandshrubsroofgarden,itcanalsobeavegetatedrooflightcarpet.Whereinthelattertechniquehasbeenwidelyused.Someoftheseapplicationstendtofocusonaestheticrequirementsandareoftenusedingreendevelopment.Sincetheaestheticrequirementsandpressurerequirements,aswellasgreenroofsthermalinsulationfunction,reduce
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 排水工程 外文 翻译