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土木工程地下空间的利用英文文献和翻译

时间:2019-10-20 08:19 作者:admin

土木工程地下空间的利用英文文献和翻译

Therapidgrowthofworldcividardofliving,thedifficultyofdoingthisiscompoundedbythreebroadtrends:theconversionofagriculturallandtodevelopmentuses;theincreasingurbanizationoftheworld`spopulation;andgrowingconcernforthemaintenanceandimprovementoftheenvironment,,asthischapterdescribes,,surfacelandinurbanareascanbeusedmoreeffectively,,,theuseofundergroundfacilitiesisrisingtoaccommodatethecomplexdemandsoftoday`,bothurbanandruralareasarerequiringimprovedtransportation,utility,callevelforthesupportofbasichumanliving,anditisdifficultifnotimpossibletoaddnewinfrastructureatgroundlevelwithoutcausinganunacceptabledeteriorationofthesurfaceenvironm,globaltrendsarecausingthecreationandextensionofminingdevelopmentsandoilorgasrgygenerationandstoragesystemsaswellasnationalfacilitiesfordealingwithhazardouswaste(includingchemical,biological,andradioactivewaste),源`自*六)维[论*文网dforhelpingeaselandusepressurescausedbythegrowthandurbanizationoftheworld`,,,mountainousregions,,forexample,theaveragepopulationdensityisapproximately100personspersquarekilometer,butthevatmajorityofth,duetopopulationgrowth,urbanization,andeconomicgrowth,thissamelandmustnowsupportextensivetransportationsystems,industrialandcommercialdevelopment,andincreasingdemandsforhousing,Asthepopulationandeconomygrow,thelandavailableforagricultureshrinks,andtheprobl`,whereapproximately80percentofthelandareaismountainous,90percentofthepopulationlivesonthecoastalplains,andeconomicdevelopmentisconcentratedinrelativelyfewingstyle,whichislow-rise,andJapanes,toretaindomesticfoodproductioncapability,tstrongmigrationofbusinessesan(ashighasUS$500,00persquaremeter)anddifficultyinanprovidinghousing,transportation,ethey,p,thecostoflandmayrepresentover95percentofthetotalcostofaproject.土木工程地下空间的利用英文文献和翻译:。

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