4.简单超静定梁 y6.6 BI +Oa2=0 m,=ql2 qL Fbi 0 E B 8El,3 B B 8 El kN q 3 El B BI kN 28 B2 A Elz BL A B q EIZ FB L B A q F ql A 8 5 = F ql B 8 3 = 2 8 1 m ql A = ql 8 3 ql 8 5 kN 2 128 9 ql 2 8 1 ql 4.简单超静定梁 L B A q EIZ l A B q EIZ B1 l B A EIZ B2 FB B1 +B2 = 0 EIZ qL 8 4 Z B EI F L 3 3 − = 0 F ql B 8 3 = kNm 例题 6.6