| Inequality constraints | Failure mode |
| g1(x) | Sliding stability |
| g2(x) | Overturning stability |
| g3(x), g4(x) | Excessive high toe pressure |
| g5(x) | Bearing capacity |
| g6(x) to g10(x) | Flexural moments in stem and base respectively |
| g11(x) to g23(x) | Minimum reinforcement area criteria |
| g24(x) to g36(x) | Tension controlled sections |
| g37(x), g38(x) | Shear failure in stem and base respectively |