private void ReinforcementCalc()
{
var Msds = Forces.Msds(Geometry.h, Geometry.d1);
Mrd_limit = (Kof_lim.μRd * Geometry.b * Math.Pow(Geometry.d, 2) * Material.beton.fcd / 10) / 100;
if (Msds <= Mrd_limit)
{
As1_pot = (KofZaProracunPravougaonogPreseka.ω * Geometry.b * Geometry.d * Material.beton.fcd / 10 / Material.armatura.fyd) + (Forces.Nsd / Material.armatura.fyd);
}
else
{
As2_pot = (Msds * 100 - Mrd_limit * 100) / ((Geometry.d - Geometry.d2) * Material.armatura.fyd);
As1_pot = Mrd_limit * 100 / (Kof_lim.ζ * Geometry.d * Material.armatura.fyd) + (Forces.Nsd / Material.armatura.fyd) + As2_pot;
As2_pot = As2_pot < 0 ? 0 : As2_pot;
}
if ((As1_pot + As2_pot) / Geometry.b / Geometry.h > ρ_max)
{
throw new Exception("ρ_max exceeded! Make section bigger");
}
if (As2_pot != 0)
{
KofZaProracunPravougaonogPreseka = Kof_lim;
}
X = KofZaProracunPravougaonogPreseka.ξ * Geometry.d;
if (Forces.IsMsdNegativ)
{
As2_pot = As1_pot;
As1_pot = (Msds * 100 - Mrd_limit * 100) / ((Geometry.d - Geometry.d2) * Material.armatura.fyd);
}
}
private void SetKof()
{
if (TypeDim == TypeDimensioning.Bound)
{
μSd = coeffService.GetByμ(Forces.Msds(Geometry.h, Geometry.d1), Geometry.b, Geometry.d).μRd;
}
else
{
μSd = coeffService.GetNew(Material.beton.εcu2, Material.armatura.eps_ud).μRd;
}
KofZaProracunPravougaonogPreseka = coeffService.GetByμ(μSd);
}
public μSd_And_νSd GetFromKof(CoeffForCalcRectCrossSectionModelEC kof)
{
this.kof = kof ?? throw new ArgumentNullException(nameof(kof));
var fyd = material.armatura.fyd * 10;
x = geometry.d * kof.ξ;
εs2 = kof.εc / x * (x - geometry.d1);
var sign = kof.εs1 / Math.Abs(kof.εs1);
var sigma = kof.εs1 * material.armatura.Es;
σs1 = sigma > fyd ? sign * fyd : sign * sigma;
sign = εs2 / Math.Abs(εs2);
sigma = Math.Abs(εs2) * material.armatura.Es;
σs2 = sigma > fyd ? sign * fyd : sign * sigma;
return(this);
}
public μSd_And_νSd GetFromKof(CoeffForCalcRectCrossSectionModelEC kof, double ω)
{
this.kof = kof ?? throw new ArgumentNullException(nameof(kof));
var fyd = material.armatura.fyd * 10;
x = geometry.d * kof.ξ;
εs2 = kof.εc / x * (x - geometry.d1);
var sigma = kof.εs1 * material.armatura.Es;
σs1 = sigma > fyd ? fyd : sigma;
sigma = Math.Abs(εs2) * material.armatura.Es;
σs2 = sigma > fyd ? fyd : sigma;
νSd = 0.85 * kof.αv * kof.ξ + ω * ((σs2 / fyd) - (σs1 / fyd));
μSd = 0.85 * kof.αv * kof.ξ * (geometry.h / geometry.d * 0.5 - kof.ka * kof.ξ) + ω * (geometry.h / geometry.d * 0.5 - geometry.d1 / geometry.d) * Math.Abs((σs2 / fyd) + (σs1 / fyd));
return(this);
}
public BendingRectangularCrossSectionEC2(
IForcesBendingAndCompressison forces,
IElementGeometry geometry,
IMaterial material,
CoeffForCalcRectCrossSectionModelEC kof = null)
{
InitValidations(geometry, material);
this.Forces = forces;
this.Geometry = geometry;
this.Material = material;
coeffService = new CoeffService(Material, Geometry);
Kof_lim = coeffService.GetByξ(material.beton.ξ_lim);
if (kof != null)
{
KofZaProracunPravougaonogPreseka = kof;
μSd = kof.μRd;
}
Start();
}
