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44120141BuildingStructureVol．44No．1Jan．2014Ⅱ12111000842100120Ⅱ3.0、。。TU391A1002-848X201401-0001-05StructuredesignontheprotectionshedofNiuheliangNo．2archaeologicalsiteYangXiao1GeJiaqi2ZhaoTianwen11ArchitecturalDesignandＲesearchInstituteofTsinghuaUniversityCo．Ltd．Beijing100084China2ChinaAviationPlanningandConstructionDevelopmentCo．Ltd．Beijing100120ChinaAbstractThemainstructureoftheprotectionshedofNiuheliangNo．2archaeologicalsiteisextendedasanarrowandlongellipsoidwithlongaxistoshortaxisratioof3.1．Thehorizontalradialthrustforceoflongaxisisdifficulttorestrictanditsactionontopofthefoundationfeaturesgreaterhorizontalforcesthanverticalforces．Ifthefoundationisenlargedgreatdisturbanceonthesiteisnotconducivetositeprotection．Ｒadialslidingbearingswithfinitedisplacementwasadoptedtosolvetheproblem．Performance-baseddesignobjectiveofslidingbearingsdesignisproposedbasedontherealprojectwhichprovidesreferenceforsimilarprojects．Keywordsprotectionshedofcivilizationsitefinitedisplacementslidingbearingperformance-baseddesignEmailmulang_yang@126．com。11.1“20100”5000、、、2058.95km2Ⅱ1140m50m43m101。Ⅱ、。。———“”。“”2a161m53m17m2b2c。1Ⅱ1.2Ⅱ。。3.020142Ⅱ、。。22.15070.10gⅡ0.65kN/m2B1.20.45kN/m2“”2.0。+、++、++、++、++。2.2、、、。3。315m“”3.053m。“”36“”2.5m“”。“”19～71m0.9～2.2m。、。、。2.3。。。2.410143m2441．Ⅱ800mm③5.80～8.20m803kN320kN。2.5。1。33.1《》GB50153—200824.1.1“”8.2.1“”。4.1.1“”。“”、“”。。、、。、、。2～3。“”。《》JGJ7—201035.9.6K、、。。3.2、、。、。。。、K=100008000kN/m、、。4。43.2.15611。2。320141819。3。10000kN/m。561K=0kN/mK=8000kN/mK=10000kN/m/kN—7929344862—3336/kN—9359303.2/kN—122513184862/kN298326432583148021212117/kN—1381651819/kN29832647258823453.2.2、。K=10000kN/m7。717/kN13071132kN30%。2516kN154kN30%。3913kN1856kN。4441．Ⅱ4726kN54kN。。10000kN/m。。3.2.3K=10000kN/m-8。8-48-2.2+2.5515.7mm9L/5053000/50=1060mm。2.52.2＞2.5/1.2=2.12.1＜2.42.620%。9/mm3.3ZZ-160mmZZ-220mm1011。1011ZZ-12。212。-13。ZZ-12/mm/kN/kN55109517956019912294604145302012vonMises/MPa255441．ETFE。。155。1。2。3、。4。1．J．201242181-84．2．J．200728232-40．3MOＲITZKHAFNEＲA．Transparencycarriedbyair-pneumaticetfe-foil-cushiontechnologyC//2010StructureCongress．OrlandoASCE/SEI2010．4EDWAＲDMPECK．Shadedcanopy-ETFEfoilsystemsC//2010StructureCongress．OrlandoASCE/SEI2010．5．ETFE———J．200538466-72．513--131.21.25。1.251.2＞1.25/1.2=1.041.04。4Ⅱ、、、、。。。、、。1．ⅡJ．20144416-11．2GB50153—2008S．2008．3JGJ7—2010S．2010．4．J．2011321229-36．52