欢迎来到天天文库
浏览记录
ID:59829490
大小:62.50 KB
页数:10页
时间:2020-11-25
《建筑类外文翻译+译文.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ArchitectureinaClimateofChangePage52-Page62LowenergytechniquesforhousingItwouldappearthat,fortheindustrialisedcountries,thebestchanceofrescuelieswiththebuiltenvironmentbecausebuildingsinuseorinthecourseoferectionarethebiggestsingleindirectsourceofcar
2、bonemissionsgeneratedbyburningfossilfuels,accountingforover50percentoftotalemissions.IfyouaddthetransportcostsgeneratedbybuildingstheUKgovernmentestimateis75percent.Itisthebuiltenvironmentwhichisthesectorthatcanmosteasilyaccommodatefairlyrapidchangew
3、ithoutpain.Infact,upgradingbuildings,especiallythelowerendofthehousingstock,createsaclusterofinterlockingvirtuouscircles.ConstructionsystemsHavingconsideredthechallengepresentedbyglobalwarmingandtheopportunitiestogeneratefossil-freeenergy,itisnowtime
4、toconsiderhowthedemandsideoftheenergyequationcanrespondtothatchallenge.Thebuiltenvironmentisthegreatestsectoralconsumerofenergyand,withinthatsector,housingisinpolepositionaccountingfor28percentofallUKcarbondioxide(CO2)emissions.IntheUKhousinghastradi
5、tionallybeenofmasonryandsincetheearly1920sthishaslargelybeenofcavityconstruction.Thepurposewastoensurethatasaturatedexternalleafwouldhavenophysicalcontactwiththeinnerleafapartfromwalltiesandthatwaterwouldbedischargedthroughweepholesatthedamp-proofcou
6、rselevel.Sincetheintroductionofthermalregulations,initiallydeemednecessarytoconserveenergyratherthantheplanet,ithasbeencommonpracticetointroduceinsulationintothecavity.Foralongtimeitwasmandatorytopreserveaspacewithinthecavityandalongrearguardbattlewa
7、sfoughtbythetraditionaliststopreservethis‘sacredspace’.DefeatwasfinallyconcededwhensomeextensiveresearchbytheBuildingResearchEstablishmentfoundthattherewasnogreaterriskofdamppenetrationwithfilledcavitiesandinfactdampthroughcondensationwasreduced.Soli
8、dmasonrywallswithexternalinsulationarecommonpracticeincontinentalEuropeandarebeginningtomakeanappearanceintheUK.InCornwallthePenwithHousingAssociationhasbuiltapartmentsofthisconstructionontheseafront,perhapsthemostchallengingofsituations.Theadvantage
此文档下载收益归作者所有