Design Considerations for Earthquake Forces - Simplified Design of Reinforced Concrete Buildings - page 299

Table 11-5 Forces at the Base of Shear Wall N-S Direction

Load Case Axial Force Bending Moment Shear Force

(kips) (ft-kips) (kips)

Dead load D 310 0

Roof live load L r 5.6 0

Live load L 26 0

Wind W 0 2537 69.2

Earthquake E 0 7839 157

Table 11-6 Factored Axial Forces, Moment and Shear

Load Combinations P u

(kips)

M u
(ft-kips)

V u
(kips)

Eq. (9-1) U = 1.4D

434 0 0

Eq. (9-2) U = 1.2D + 1.6L + 0.5L r

416.4 0 0

Eq. (9-3) U = 1.2D + 1.6L r + 0.5L

393.96 0 0

U = 1.2D + 1.6L r + 0.8W

380.96 2029.6 55.36

U = 1.2D + 1.6L r - 0.8W

380.96 -2029.6 -55.36

Eq. (9-4) U = 1.2D + 1.6W + 0.5L+ 0.5L r

387.8 4059.2 110.72

U = 1.2D - 1.6W + 0.5L+ 0.5L r

387.8 -4059.2 -110.72

Eq. (9-5) U = 1.2D + E + 0.5L

385 7839 173

U = 1.2D - E + 0.5L

385 -7839 -173

Eq. (9-6) U = 0.9D + 1.6W

279 4059.2 110.72

U = 0.9D - 1.6W

279 -4059.2 -110.72

Eq (9-7) U = 0.9D + 1.0E

279 7839 173

U = 0.9D - 1.0E

279 -7839 -173