6 水平地震作用下框架的內(nèi)力分析

1、6、水平地震作用下橫向框架的內(nèi)力分析576水平地震作用下橫向框架的內(nèi)力分析水平地震作用下橫向框架的內(nèi)力分析（以A4~D4榀框架為例）6.1樓層剪力樓層剪力由表4.5.9得水平地震作用下橫向框架各樓層剪力如表6.1.1所示。表6.1.1水平地震作用下橫向框架各樓層剪力單位：kN層數(shù)層間剪力iV8884.75271438.82461918.42452320.57342648.2532898.47623074.2313178.4906.2各柱

2、抗側(cè)剛度各柱抗側(cè)剛度D由表4.5.7得各柱抗側(cè)剛度如表6.2.1所示。表6.2.1A4~D4榀框架各柱抗側(cè)剛度及樓層總剛度單位：104KNm項(xiàng)目)(44DADD)(44CBDD?D標(biāo)準(zhǔn)層1.14272.659581.2828底層1.77752.382090.59526.3各層各柱剪力的計(jì)算各層各柱剪力的計(jì)算由D值法，各層各柱剪力的計(jì)算如表6.3.1所示。jjijiVDDV??表6.3.1各層各柱剪力的計(jì)算單位：kN層數(shù)層間剪力iV?DD

3、A4)(44DAVV?DDB4)(44CBVV8884.7520.01405812.4380.03271928.94871438.8240.01405820.2270.03271947.07761918.4240.01405826.9690.03271962.7696、水平地震作用下橫向框架的內(nèi)力分析59表6.5.1水平地震作用下柱端彎矩計(jì)算單位：、、mkNmkN.層數(shù)(位置))(44DAVV)(44CBVV_y_yhi?lCMuCM8

4、A4(D4)12.4381.2602.34015.67229.105B4(C4)28.9481.1162.48432.30671.9077A4(D4)20.2271.6201.98032.76840.049B4(C4)47.0771.4402.16067.791101.6866A4(D4)26.9691.8001.80048.54448.544B4(C4)62.7691.6201.980101.686124.2835A4(D4)32.6

5、231.8001.80058.72158.721B4(C4)75.9271.6201.980123.002150.3354A4(D4)37.2291.8001.80067.01267.012B4(C4)86.6481.6561.944143.489168.4443A4(D4)40.7471.9801.62080.67966.010B4(C4)94.8351.8001.800170.703170.7032A4(D4)43.2182.052

6、1.54888.68366.901B4(C4)100.5861.7281.872173.813188.2971A4(D4)62.3623.1961.504199.30993.792B4(C4)83.5723.0551.645255.312137.4766.6梁端彎矩的計(jì)算梁端彎矩的計(jì)算由節(jié)點(diǎn)平衡條件，，，式中()llulbbcclrbbiMMMii???()rrulbbcclrbbiMMMii???M、Mbr、Mbl為節(jié)點(diǎn)處的梁端的彎矩