Sheet1Dik:4m4m11mBeban hidup untuk Bioskop=250kg/m

ql=4x250=1000kg/m=10kN/m

ql=10kN/m

4mfc'=30Mpafy=400Mpad'=5cmPenyelesaian:h=1xl15=1x1115=0.7333333333m0.75m=75cmd=h-5=75-5=70cm

b=0.5xh=0.5x75=37.5cm40cmqDL=bxhx=0,50 .(0,95).(2400)=720kg/m=7.2kN/mqu=1,2 qD+1,6qL=((1,2 x 7,2)+(1,6 x 10)=24.64kNmMu=1/8 ql=372.68kNmMn=Mu=372.680.8=465.85kNmb=0,85.fc'.x600fy600+fy=(0,85).(30).(0,85)x600400600+400=0.0325125max=0,75b=0.024384375min=1.4fy=1.4400=0.0035=0,5b=0.01625625minmax0.00350.016256250.024384375w=.fyfc'=0,016256 .(400)30=0.21675Rn=w.fc'(1-0,59w)=0,21675 . 30 (1- 0,59 . 0,21675)=5.6709440438Mpa

=548mm550mm=55cmb=r.d=0,5. (55)=27.5cm=30cmh=d+5=60+5=60cmAs=.b.d=0,016256 . .=2682.28125mm25=490.625mm625=2943.75mm

a=As.fy0,85.fc'b=2943,75 .(400)0.85(30)(300)=167.9144385027mmMn=As.fy(d-a/2)=2943,75 . 400 (550- 153,9216/2)=548765374.331551Nmm=548.7653743316kNm

Sheet2

Sheet3