from .....ec2.raw.ch3.concrete import strength as conc_strength
[docs]def ρmin(fck, fyk):
return 0.5 * conc_strength.fctm(fck) / fyk
[docs]def ρmax(ρ2, μφ, εsyd, fcd, fyd):
return ρ2 + 0.0018 * fcd / (μφ * εsyd * fyd)
[docs]def ρmax05(μφ, εsyd, fcd, fyd):
return 2 * 0.0018 * fcd / (μφ * εsyd * fyd)