Stirrup Calculator
Calculate stirrup spacing and shear reinforcement for concrete beams per ACI 318.
Beam & Stirrup Parameters
in
in
ft
kips
PSI
ksi
Required Stirrup Spacing
#3 @ 8.0" o.c.
Utilization: 97.3% | OK
Concrete Shear Vc
32.8 kips
Steel Shear Vs
35.7 kips
Total Stirrups
31
Total Weight
70 lbs
Stirrup Details:
Stirrup Size9.0" x 21.0"
Perimeter Each72.0"
Max Spacing10.8"
Total Capacity68.5 kips
Shear Design Summary
Vu = 50 kips | phi*Vn = 51.4 kips
Vc = 32.8 kips | Vs = 35.7 kips