Vu (kip):		factor λ:
Nu (kip):		factor Φt:
h (in):		factor Φv:
b (in):		factor Φc:
w (in):		factor Φco:
d (in):		factor μ:
f'c(psi):		As_Ax (in2):
fy(psi):		As_Ay (in2):