土木工程毕业设计外文翻译-高层建筑.docxHigh-RiseBuildingsIntroductionItisdifficulttodefineahigh-risebuilding•Onemaysaythatalow-risebuildingrangesfrom1to2stories•Amedium-risebuildingprobablyrangesbetween3or4storiesupto10or20storiesormore•Althoughthebasicprinciplesofverticalandhorizontalsubsystemdesignremainthesameforlow-,medium・,orhigh-risebuildings,,walls,,moresign讦icantly,-umulatedgravityloadfromstorytostory,,suchaswindorseismicloads,,incontrasttoverticaIload,Iateralloadeffectsonbuildingsarenotlinearandincreaserapidlywithincreaseinheight•ForexampleunderwindIoad,theoverturningmomentatthebaseofbuildingsvariesapproximatelyasthesquareofabuildingsmayvaryasthefourthpowerofbuildingsheight,-ormedium-risebuildingisdesignedfordeadandIiveload,itisalmostaninherentpropertythatthecolumns,walls,"short〃builclingscaneasilybeprovidedbyfillingcertainpanels(orevenallpanels),thisisnotisforhigh-,girders,walls用ndslabsinordertomadeahigh-,thequantityofstructuralmaterialrequiredpersquarefootoffloorofahigh-risebuildingsisinexcessofthatrequiredforIow-
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