private void ButtonZginanieObliczenia_Click(object sender, EventArgs e)
{
//otrzymanie wartości z pól
var b = double.Parse(TextBoxBendingB.Text);
var h = double.Parse(TextBoxBendingH.Text);
var a = double.Parse(TextBoxBendingA.Text);
var m = Math.Abs(double.Parse(TextBoxBendingM.Text));
string nameConcrete = ComboBoxBendingConcrete.Text;
string nameSteele = ComboBoxBendingSteele.Text;
double d, fck, fcd, fyd, fyk, fctm, pow, ni, f, asmax, asmin;
double as1, as2;
string warning;
d = (h - a);
pow = b * h / 100;
//Obiekty betonu i stali oraz parametry
var concrete = new ConcreteProps(nameConcrete);
var steele = new SteeleProps(nameSteele);
//wytrzymalosci dla betonu betonu
var concretePropResult = concrete.ConcretePropResult();
fctm = concretePropResult.Fctm;
fck = concretePropResult.Fck;
//wytrzymalosci dla stali
var steelePropResult = steele.StleelePropResult();
fyk = steelePropResult.Fyk;
fcd = Math.Round((fck / 1.4), 2);
fyd = Math.Round((fyk / 1.15), 2);
//obiekty BeamBend
BeamBendCalculation bbc = new BeamBendCalculation();
BeamBendResults result = bbc.Calculate(m, b, d, a, 1, fcd, fyd);
as1 = result.As1;
as2 = result.As2;
ni = result.Ni;
f = result.ZasiegStrefySciskanej;
warning = result.Warning;
asmin = bbc.CalculationAsmin(b, d, fctm, fyk);
asmax = bbc.CalculationAsmax(b, d);
labelBendingFcd.Text = fcd + "";
labelBendingFyd.Text = fyd + "";
labelBendingAmin.Text = asmin + "";
labelBendingAmax.Text = asmax + "";
labelBendingD.Text = d + "";
labelBendingA.Text = pow + "";
labelBendingN.Text = ni + "";
labelBendingF.Text = f + "";
labelBendingAs1.Text = as1 + "";
labelBendingAs2.Text = as2 + "";
labelBendingWarning.Text = warning;
}
//double Asmin, Asmax;
public BeamBendResults Calculate(double my, double b, double d, double a, double n, double fcd, double fyd)
{
ks = 0.000001 * b * d * d * fcd;
ni = my / ks;
x = 1 - 2 * ni;
y = Math.Sqrt(x);
zasiegStrefySciskanej = 1 - y;
zasiegStrefySciskanejLim = 0.493;
if (zasiegStrefySciskanej < zasiegStrefySciskanejLim)
{
ramieSil = (1 - 0.5 * zasiegStrefySciskanej) * d;
As1 = 10000 * my / (ramieSil * fyd);
As2 = 0;
}
else
{
mRd = 0.3715 * b * d * d * fcd * n * 0.000001;
As2 = (my - mRd) / ((d - a) * fyd) * (10000);
As1 = ((mRd) / (0.7535 * d * fyd)) * 10000 + As2;
}
ni = Math.Round(ni, 3);
zasiegStrefySciskanej = Math.Round(zasiegStrefySciskanej, 3);
As1 = Math.Round(As1, 2);
As2 = Math.Round(As2, 2);
warn = "";
if (ni > 0.50)
{
As1 = 0;
As2 = 0;
zasiegStrefySciskanej = 0;
ni = 0;
warn = "Obliczenia błędne. Zwiększ przekrój!";
}
BeamBendResults result = new BeamBendResults
{
Ni = ni,
ZasiegStrefySciskanej = zasiegStrefySciskanej,
As1 = As1,
As2 = As2,
Warning = warn,
};
return(result);
}
