Axial capacity of short column

This calculation provides the axial capacity of a rectangular short column

Code:
CA flagCSA A23.3
ϕ_c

Resistance factor for concrete

Constraints
min: 0step: 0.01
ϕ_s

Resistance factor for reinforcing steel

Constraints
min: 0step: 0.01
f_c(ksi)

Specified concrete strength

Constraints
min: 0step: 0.1
f_y(ksi)

Specified reinforcing steel yield strength

Constraints
min: 0step: 1
b(in)

Effective width of cross section

Constraints
min: 0step: 1
h(in)

Overall depth of cross section

Constraints
min: 0step: 1
n_b

Quantity of reinforcing bars

Constraints
min: 4step: 2

Calculation Steps:

    Axial capacity
    Pr = 737 kip
    • A_g

      Gross area of cross section

      in²
    • A_s

      Area of reinforcing steel

      in²
    • α_1

      Stress modification factor for equivalent stress block

      (fc in MPa)
    • kip
    • kip
    User Notes: