TM 5-809-3/NAVFAC DM-2.9/AFM 88-3, Chap. 3
Where:
...O.K.
(h) Check combined axial and bending compressive stresses using the unity equation. When
checking for flexural compression, the unity equation (equation 9-8) becomes:
...O.K.
(i) Check combined axial and bending compressive stresses (including wind loading stresses) using
the unity equation. When checking for flexural compression, the unity equation (equation 9-8) becomes:
Where:
...O.K.
(j) Check the tensile stress in the reinforcement (including wind loading stresses) using the unity
equation.
The tensile stress in the reinforcement, fs, is determined as follows:
The allowable tensile stress in the reinforcement, Fs, is:
Fs= 24,000 psi (1.33) = 32,000 psi
fs = 7907 psi < Fs = 32,000 psi
...O.K.
d. Summary. The nominal 16-inch by 16-inch pilaster with 6-#9 reinforcing bars is adequate.
9-11
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