Download - Chapter 3 Spreadsheets
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Moment Strength -Singly Reinforced Rectangular BeamInput values only in cells colored yellow
Units4000 psi
b = 18 in.d = 27.5 in.
8.66744260 ksi
a = 8.50 in.0.85
10.00 in.
0.00525 OK, strain exceeds 0.0040.0175
0.90012091.7 in.-k
1007.6 kip-ft906.9 kip-ft
f'c =
As = in 2fy =
1 =c = a/1 =
t = (d-c)(0.003)/c ==
=0.65+(t-0.002)(250)/3 =Mn =Mn =Mn
h
b
d
As
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T-Beam Analysis-ASD Input values in cells colored yellow - cells C3 through C93555.5555556 psi
60000 psi12 in.
3 in.d = 22 in.
4 in.2
145 pcf3,435,735 psi
24000 psi1600 psi
n = 8.441 8.000.008
0.0639
0.30
x = kd = 6.59 in. x > hf so this analysis is not valid - it acts like a T-Beamjd = 19.80 in.
950631 in-lb = 79.22 ft-k hf so this analyse is valid - acts like a T-Beam
9.58
5600
1281977 in-lb = 106.83 ft-k -935232 in-lb = 77.94 ft-k
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Input values in cells colored yellow - cells C3 through C9
x > hf so this analysis is not valid - it acts like a T-Beam
hf so this analyse is valid - acts like a T-Beam