Tulangan tunggal

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Dik: 4m 4m 11m Beban hid ql= 4 m fc'= 30 fy= 400 d'= 5 Penyelesaian: h= 1 l 15 = 1 11 15 = 0!"333333 m # 0!"5 m = "5 cm d= h $ 5 = "5 $ 5 = "0 cm b= 0!5 h = 0!5 "5 = 3"!5 cm # 40 cm qD%= = 0&50 ! 0&(5)! *400) = "*0 k+,m = "!* k-,m qu= 1&* qD.1&/q% = 1&* "&*). 1&/ 10) bh

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CARA MENGHITUNG TULANGAN TUNGGAL

Transcript of Tulangan tunggal

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

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