M、2u=M、、2u=-2m2u× l01 =-2×0.6m1u×4.2=-5.04m1u 将上列各式值代入(11-28)(支座总弯矩取绝对值),即得 6.64m1u+1.97m1u+1/2(15.37m1u+15.37m1u+5.04m1u)=8.3/8×4.22×(7.685-
M、2u=M、、2u=-2m2u× l01 =-2×0.6m1u×4.2=-5.04m1u
将上列各式值代入(11-28)(支座总弯矩取绝对值),即得
6.64m1u+1.97m1u+1/2(15.37m1u+15.37m1u+5.04m1u)=8.3/8×4.22×(7.685-4.2/3) 得到
m1u=6.25KN.㎡
m2u=3.75KN.㎡
m、1u=m、、1u=-2×12.07=-12.5KN.㎡
m、2u=-2m2u=-7.5KN.㎡
m、、2u=0
C区格板:三边连续,一短边简支
M1u=m1ul02=(n-1/4)m1ul01=7.99m1u
M2u=7/8m2ul01=7/8αm1u l01=7/8×0.6×2.7×m1u=1.42m1u
M、1u=M、、1u=-m、1u l02=nβm1u l01 =-17.372m1u
M、2u=-2m2u× l01 =-2×0.6m1u×2.7=-3.24m1u
M、、2u=0
将上列各式值代入(11-28)(支座总弯矩取绝对值),即得
7.99m1u+1.42m1u+1/2(17.32m1u+17.32m1u+3.24m1u)=9.7/8×2.72×(8.66-2.7/3) 得到
m1u=2.98KN.㎡
m2u=0.6m1u=1.79KN.㎡
m、1u=m、、1u=-2×2.98=-5.96KN.㎡
m、2u=-2m2u=-3.58KN.㎡
m、、2u=0
D区格板:两邻边连续,另两相连邻边简支
M1u==(n-1/8)m1ul01=7.15m1u M2u=7/8m2ul01=7/8αm1u l01=7/8×0.6×4.06×m1u=2.13m1u
M、1u=nβm1u l01 =-15.32 m1u
M、2u=αβm2ul01 =-2×0.6m1u×4.06=-4.87m1u
将上列各式值代入(11-28)(支座总弯矩取绝对值),即得
7.15m1u+2.13m1u+1/2(15.37m1u+15.37m1u+4.87m1u+0+0)=8.3/8×4.062×(7.685-4.06/3) 得到
m1u=5.47KN.㎡
m2u=3.28KN.㎡
m、1u=-2×5.47=-12.5KN.㎡
m、2u=-2×3.28=-6.56KN.㎡
m、、21u=0 , m、、2u=0
F区格板:四边固支
M1u=m1u(2.2-1.7/2)+m1u/2×1.7/2=1.78m1u
M2u=m1u×1.7/2+m2u×1.7/4×2=0.78m1u
M、1u=M、、1u=-2m1u×2.2=-17.4m1u
M、2u=M、、2u=-2m2u×1.7=-2.04m1u
将上列各式值代入(11-28)(支座总弯矩取绝对值),即得
1.78m1u+0.78m1u+1/2(4.4m1u+4.4m1u+2.04m1u+2.04m1u)=8.3/8×1.72×(2.2-1.7/3) 得到