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1、The4thInternationalConferenceonAdvancesinWindandStructures(AWAS’08)29-31May2008,Jeju,KoreaWindloadsonlow,mediumandhigh-risebuildingsbyAsia-Pacificcodes1)2)3)JohnD.Holmes,YukioTamura,PremKrishna1)JDHConsulting,P.O.Box269,Mentone,Victoria,3194,Australia,jdholmes@bigpond.net.au2)WindEng
2、ineeringResearchCenter,TokyoPolytechnicUniversity,1583Iiyama,Atsugi,Kanagawa,Japan,yukio@arch.t-kougei.ac.jp3)RetiredfromtheDepartmentofCivilEngineering,IndianInstituteofTechnology,Roorkee,India,pk1938@gmail.comABSTRACTThepaperdescribesacomparisonofwindloadcalculationsonthreebuilding
3、susinguptofifteendifferentwindloadingcodesandstandardsfromtheAsia-PacificRegion.Thelow-risebuildingisatypicalsteelportal-framedindustrialwarehousebuildingassumedtobelocatedinaruralarea.Themediumheightbuildingisa48metrehighofficebuildinginatropicalcity.Thehigh-risebuildingis183metresh
4、igh,locatedinurbanterrain.Thedesignwindspeedsatthetopofeachbuilding,andotherwindpropertiessuchasturbulenceintensitywereprescribed.Thecomparisonsshowedvaryingdegreesofagreement.Commentsonthedifferencesaregiven.INTRODUCTIONBetween2004and2007,fourInternationalWorkshopsonRegionalHarmoniz
5、ationofWindLoadingandWindEnvironmentalSpecificationsinAsia-PacificEconomieswereheld.Apracticaloutcomeofthesemeetingswasacomparisonofthewindloadsonthreetypicalbuildingsevaluatedbythevariouswindloadingcodesandstandardsacrosstheregion.Upto15economiesparticipatedinthecomparison.Hopefully
6、,thiscomparisonwillleadtofutureharmonizationofwindloadingspecificationacrossthediverseeconomiesoftheAsiaPacific.Inallcasesthewindspeedsatthetopofthebuildingswerespecified.Windspeedswithaveragingtimesof3-seconds,10-minutesand1-hourwereallspecified,andparticipantsselectedtheappropriate
7、onesaccordingtotheaveragingtimeusedintheirowncodeorstandard.Forthemedium-andhigh-risebuildings,firstmodenaturalfrequenciesandcriticaldampingratioswerealsospecified.Thepaperpresentsthemainresultsofthecomparisonsanddiscussesthereasonsforthedifferences.LOW-RISEBUILDING(Building1)Thelow-
8、risebuilding