public double MaxRebarStrain(List <double> ReinforcingStrains)
{
List <double> diList = ReinforcingBars.Select(x => x.di).ToList();
int i = diList.IndexOf(diList.Max());
return(Math.Abs(ReinforcingStrains[i]));
}
public List <ReinforcingBar> MetrikDonatiKatmanBilgi()
{
List <ReinforcingBar> ReinforcingBarsMetric = ReinforcingBars.Clone() as List <ReinforcingBar>;
ReinforcingBarsMetric.ForEach(item => item.As = item.As.SquareCentimeters().SquareMeters);
ReinforcingBarsMetric.ForEach(item => item.di = item.di.Centimeters().Meters);
return(ReinforcingBarsMetric);
}
public List <InteractionDiagramItem> CreateInteractionDiagram()
{
List <InteractionDiagramItem> allItems = new List <InteractionDiagramItem>();
List <InteractionDiagramItem> rightSideItems = InteractionDiagramItems();
ReinforcingBars.ForEach(rb => rb.di = SectionGeometry.h - rb.di);
ReinforcingBars.Reverse();
List <InteractionDiagramItem> leftSideItems = InteractionDiagramItems();
for (int i = 0; i < rightSideItems.Count; i++)
{
allItems.Add(rightSideItems[i]);
}
for (int i = leftSideItems.Count - 1; i >= 0; i--)
{
leftSideItems[i].Mnominal *= -1;
leftSideItems[i].Mactual *= -1;
allItems.Add(leftSideItems[i]);
}
return(allItems);
}
public List <InteractionDiagramItem> InteractionDiagramItems()
{
RcRectangularSection RcSection = new RcRectangularSection(SectionGeometry, Concrete, Steel, ReinforcingBars);
List <InteractionDiagramItem> items = new List <InteractionDiagramItem>();
double interval = 0.005;
int NumberOfPoints = (int)Math.Truncate(1.20 * SectionGeometry.h / interval);
double cMax = ReinforcingBars.Max(bar => bar.di);
for (int i = 0; i < NumberOfPoints; i++)
{
double c = i * interval;
List <double> ReinforcingStrains = new List <double>();
for (int j = 0; j < ReinforcingBars.Count; j++)
{
ReinforcingBar reBar = ReinforcingBars[j];
double SteelStrain = RcSection.ReinforcingStrain(c, reBar.di);
ReinforcingStrains.Add(SteelStrain);
}
double actualPhi = StrengthReductionFactor.CalculateActualPhi(Code, RcSection.MaxRebarStrain(ReinforcingStrains));
if (RcSection.AxialCapacity(c) < RcSection.NominalPmax())
{
items.Add(new InteractionDiagramItem(RcSection.MomentCapacity(c), RcSection.AxialCapacity(c), actualPhi, Concrete.k1 * c));
}
}
items.Insert(0, new InteractionDiagramItem(RcSection.NominalMmin(), RcSection.NominalPmin(), StrengthReductionFactor.phiB, 0.00));
items.Add(new InteractionDiagramItem(RcSection.NominalMmax(), RcSection.NominalPmax(), StrengthReductionFactor.phiC, Concrete.k1 * cMax));
ActualPmax = StrengthReductionFactor.phiA * StrengthReductionFactor.phiC * RcSection.NominalPmax();
return(items);
}
public double NominalMmax()
{
return
((Steel.fyd - 0.85 * Concrete.fcd) * ReinforcingBars.Sum(rb => rb.As * (Section.h / 2.0 - rb.di)));
}
public double NominalPmax()
{
return
(Concrete.beta * Concrete.fcd * (Section.b * Section.h - ReinforcingBars.Sum(rb => rb.As)) +
ReinforcingBars.Sum(rb => rb.As) * Steel.fyd);
}
public double NominalMmin()
{
return
(Steel.fyd * ReinforcingBars.Sum(rb => rb.As * (rb.di - Section.h / 2.0)));
}
public double NominalPmin()
{
return(-ReinforcingBars.Sum(rb => rb.As) * Steel.fyd);
}
public double MinRebarDi()
{
return(ReinforcingBars.Select(x => x.di).Min());
}
public double MomentCapacity(double c)
{
return
(ConcreteForce(c) * (Section.h / 2.0 - Concrete.k1 * c / 2.0) +
ReinforcingBars.Sum(rb => ReinforcingForce(c, rb.di, rb.As) * (Section.h / 2.0 - rb.di)));
}
public double AxialCapacity(double c)
{
return
(ConcreteForce(c) + ReinforcingBars.Sum(rb => ReinforcingForce(c, rb.di, rb.As)));
}
