UFC 4-023-03
25 January 2005
Figure B-1 Calculation of Upper Bound on the Basic Strength
L
L
(D + )
( D + ) * A2
3
∑ M = FT * S = 8 3 * (2 A)2
FT =
2S
Typical British Construction circa 1970:
A=5 m (17 ft)
S=A/5
D=3.6 kN/m2 (75 psf)
L=3.6 kN/m2 (75 psf)
Thus, Ft=60 kN/m (4.1 kip/ft or 13.5 kip/3.3-ft)
B-4
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