Reinforced Concrete Beam Design

Output:

Definitions
• ϕ_c = Resistance factor for concrete
• ϕ_s = Resistance factor for reinforcing steel
• f_c = Specified concrete strength (psi)
• f_y = Specified reinforcing steel yield strength (ksi)
• A_s = Area of reinforcing steel (in²)
• α₁ = Stress modification factor for equivalent stress block
• β = Cracked concrete shear factor
• d = Depth to primary reinforcing (in)
• b = Effective width of cross section (in)
• A_v = Area of transverse (shear) reinforcing (in²)
• s = Spacing of rebar (in)
• λ = Concrete density modification factor; 1.0 for normal density concrete
• d_v = Shear depth, normally taken as 0.9d (in)
• θ = Assumed shear crack inclination (deg)
Determine the flexural capacity
M_r = 82.1k-ft (111.3 kNm)
• in
• in²
• in²
• in
• kip-ft
Determine the shear capacity
V_r = 60.3k (268.1 kN)
• in²
• in²
• in
• in
• kip
• kip
• kip
• kip
User Notes:
User notes