采用短柱基础的多层框架设计探讨

44220141BuildingStructureVol．44No．2Jan．2014110179。。、。TU318.2A1002-848X201402-0071-04DesignofmultilayerframestructurewithpuncheonfoundationDongQihaoShenyangNewWorldArchitectureDesignCo．Ltd．Shenyang110179ChinaAbstractByusingpuncheonfoundationtheeffectivelengthofbottomcolumnscanbereducedandlateralstiffnessofbottomlayermeetrequirementsofthecode．Comparedsimplifiedcalculationresultsofmultilayerframewithapplicationofdifferentheightandsizepuncheonfoundationandsettheembeddedendonthetopofpuncheonfoundationshowthatitisimpropertosettheembeddedendonthetopofpuncheonfoundation．Thedesignmethodofmultilayerframewithpuncheonfoundationwasintroducedbasedonpracticalprojectsasfollows．Puncheonfoundationcanbesettoastructurelayerandthensettheembeddedendofsuperstructureonthetopofpuncheonsorthetopofthefoundationseparatelytocalculate．Beamsandcolumnsinfirstlayerarereinforcedaccordingtolargercalculatedvaluesofmodelswithdifferentembeddedendlocationsandothercomponentsarereinforcedaccordingtocalculatedvaluesofthemodelwithpuncheonfoundation．Keywordspuncheon[e-mail]。0。1～3m。《》GB50011—201011.15。、。。。1《》GB50007—201128.2.51750kN14m0.5kN/m25m2750kN0.5kN/m2E2J2/E1J1≥10E1J1E2J235mΔ2/Δ1≤1.1Δ2Δ14。115m223、20141800×800900×9001000×1000/mm100020003000100020003000100020003000M'c1/kN·mM'c2/kN·mM'b1/kN·mM'b2/kN·m－17.9－33.898.680.6Mc1/kN·mMc2/kN·mMb1/kN·mMb2/kN·m－14.5－32.498.080.7－10.0－30.297.080.9－5.50－27.795.981.2－15.7－32.998.280.7－12.3－31.297.580.8－8.40－29.196.681.0－16.4－33.298.380.6－13.9－32.097.880.8－10.7－30.297.080.9Mc1/M'c1Mc2/M'c2Mb1/M'b1Mb2/M'b20.810.960.9941.0010.550.890.9841.0040.310.820.9731.0070.880.970.9961.0010.690.920.9891.0020.470.860.9801.0050.920.980.9971.0000.780.950.9921.0020.600.890.9841.0042800×800900×9001000×1000/mm100020003000100020003000100020003000M'c1/kN·mM'c2/kN·mM'b1/kN·mM'b2/kN·m24.811.6－14.3－4.9Mc1/kN·mMc2/kN·mMb1/kN·mMb2/kN·m23.812.6－15.0－4.522.413.9－16.0－5.220.815.6－17.2－5.424.212.2－14.7－5.023.313.1－15.4－5.122.214.2－16.2－5.224.412.0－14.6－5.023.812.6－15.0－5.123.113.3－15.6－5.1Mc1/M'c1Mc2/M'c2Mb1/M'b1Mb2/M'b20.961.071.0490.9180.901.201.1151.0610.841.341.2031.1020.981.051.0281.0200.941.131.0771.0410.901.221.1331.0610.981.031.0211.0200.961.091.0491.0410.931.151.0911.04132423600×6001100×1100E2J2/E1J1≥101250×12508.2.5。。。170.1gⅡB0.6kN/m21～3、。、10%。、20%1。3%。。、。1m10%。4、1。41m15%。27442．3800×800900×9001000×1000/mm100020003000100020003000100020003000M'c1/kN·mM'c2/kN·mM'b1/kN·mM'b2/kN·m60.434.4－47.4－26.5Mc1/kN·mMc2/kN·mMb1/kN·mMb2/kN·m59.037.4－49.4－26.757.441.6－52.1－27.055.346.7－55.4－27.459.636.3－48.7－26.758.839.1－50.5－26.857.842.7－52.8－27.159.935.7－48.3－26.659.537.6－49.5－26.859.140.2－51.2－27.0Mc1/M'c1Mc2/M'c2Mb1/M'b1Mb2/M'b20.981.091.0421.0080.951.211.0991.0190.921.361.1691.0340.991.061.0271.0080.971.141.0651.0110.961.241.1141.0230.991.041.0191.0040.991.091.0441.0110.981.171.0801.019、14800×800900×9001000×1000/mm100020003000100020003000100020003000T/s0.2740.2950.3250.2690.2830.3030.2660.2760.290T/T01.0501.1301.2451.0311.0841.1611.0191.0571.1111T0=0.261s。5/kN·mXYXYXY1－375.498.6－302.6286.2261.8225.81/5231/5192－321.896.2－200.2192.8190.7160.01/6821/6653－305.895.6－215.2204.3170.7140.41/8521/829－320.396.0－206.2193.0189.9156.61/7021/6841－125.463.6－62.614.5102.474.01/13041/12042－138.462.4－79.036.2112.783.31/12451/11453－135.463.3－81.042.1111.383.11/12811/1182－138.662.4－78.937.8112.684.01/12471/1147123。。、3、。1。、。2、、、。、。。。280.2gⅡB0.35kN/m2、41003300mm。－1.8m500×500。5KZ1、KL1。1372014225cm221.8m900×9002/315cm214%16cm2。2250×50005。31。、。1。2200。、。1GB50011—2010S．2010．2GB50007—2011S．2012．3．J．2003331048-50．———2014112———。“”“”。8。。、、。721．25m445m170000m316000t5300t430000m340、20、120。C80。“”、、、。20101012015。、、445mBIM、、。3445m。、、。。、、。、、、C80、、、、、。47