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Mu = 5.00 tm 1.6 Mu = ### Nmm fy = 240 MPa fc' = 25 MPa b= 150 mm h= 450 mm d' = 40 mm d = 410 mm 97.88 m = 11.29 Rn = 3.97 450 mm ρ = 0.018445994 As = 1134.43 = 1300 22 = 1350 a= 97.88 mm φ.Mn = ### Nmm > ### OK mm 2 Aspendekatan mm 2 Ascoba mm 2 _= _/ ( . . ^2 ) m = _ /(0,85. ′) =1/ (1−√(1−(2. . _ )/ )) =( _( .) _ )/(0,85. _ ^′. ) =∅. . .( − /2) h= a

Beton 3MRK1 Danang

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Sheet1

Mu=5.00tm1.6 Mu=80,000,000.00Nmmfy=240MPafc'=25MPab=150mmh=450mmd'=40mmd =410mm

97.88m=11.29Rn=3.97450mm

=0.018445994

As=1134.43mm2Aspendekatan=1300mm2

422Ascoba=1350mm2

a=97.88mm

.Mn=93,586,447.06Nmm>80,000,000.00OKjadi pakai422

h=ad-a/2

Sheet2

Sheet3