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BUILDINGSCIENCERESEARCHOFSICHUAN28220026:2002201218:(1967),,,,,(,224006):,,,,,,:;;;:TU311.4:B:1008-1933(2002)02-0008-021,,,,,,,,,,,,2,,,,,hL/6,,,,,,12,,,,3,,,,,;,,,,;,;,,,,41(a),,4111(a),(b),1,,,2(a),(b)()2,RB=1063kN,RC=1385kN,RD=1307kN,RE=1300kN,RF=1361kN,RG=1035kN,,,8©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a),(b)441255,,6(a),(b),,,,,65,,,,:,,;,,;,,:[1]1[M]1:,19911[2],1[M]1:,19811(2)7G+L4.073.523.543.614.724.294.264.3616%22%20%21%8G+S3.683.083.083.173.933.403.373.477%10%9%9%,,3.0.11,,0.25,,3.0.11,,8,,,,,:[1],()[S].2001.[2],()[S].2001.[3],()[S].2001.[4].[J].,1982,(14).92002No.2,:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.