public AffectedElementInFlexure(SectionOfPlateWithHoles Section, ISteelMaterial Material, ICalcLog CalcLog, bool IsRolled = false)
: base(Section, Material, CalcLog)
{
this.HasHolesInTensionFlange = false;
this.A_fg = 0;
this.A_fn = 0;
this.IsRolled = IsRolled;
}
public void ConnectedPlateReturnsFlexuralStrength()
{
ICalcLog log = new CalcLog();
SectionRectangular Section = new SectionRectangular(0.5, 8);
SectionOfPlateWithHoles NetSection = new SectionOfPlateWithHoles("", 0.5, 8, 2, 0.01, 2, 2, new Common.Mathematics.Point2D(0, 0));
AffectedElementInFlexure element = new AffectedElementInFlexure(Section, NetSection, 50, 65.0);
double phiM_n = element.GetFlexuralStrength(0);
Assert.True(360.0 == phiM_n);
}
public void CompoundShapeReturnsZ_netWith2Holes()
{
double t_p = 0.5;
double d_pl = 6.0;
double n = 2;
double d_hole = 13.0 / 16.0 + 1.0 / 16.0;
SectionOfPlateWithHoles plate = new SectionOfPlateWithHoles("", t_p, d_pl, n, d_hole, 1.5, 1.5, new Point2D(0, 0));
double Z_net = plate.Z_x;
double refValue = 3.19;
double actualTolerance = EvaluateActualTolerance(Z_net, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public double GetFlexuralStrength()
{
double phiM_n = 0.0;
CalcLog log = new CalcLog();
ISection section = Section.Shape;
if (section is SectionRectangular || section is SectionOfPlateWithHoles || section is SectionI)
{
if (section is SectionOfPlateWithHoles)
{
SectionOfPlateWithHoles plateWithHoles = section as SectionOfPlateWithHoles;
double S_g = plateWithHoles.B * Math.Pow(plateWithHoles.H, 2);
double Z_net = plateWithHoles.Z_x;
double Y = 0.9 * this.Section.Material.YieldStress * S_g; //Flexural Yielding
double R = 0.75 * this.Section.Material.UltimateStress * Z_net;
phiM_n = Math.Min(Y, R);
}
else if (section is ISectionI)
{
ISectionI IShape = section as ISectionI;
double R = GetTensionFlangeRuptureStrength(IShape);
if (IsCompactDoublySymmetricForFlexure == false)
{
throw new Exception("Noncompact and singly symmetric I-shapes are not supported for connection checks.");
}
else
{
BeamIDoublySymmetricCompact IBeam = new BeamIDoublySymmetricCompact(Section, this.IsRolled, Log);
double Y = 0.9 * IBeam.GetMajorNominalPlasticMoment();
phiM_n = Math.Min(Y, R);
}
}
else //Rectangle
{
SectionRectangular plate = section as SectionRectangular;
if (plate != null)
{
double Z = plate.Z_x;
double Y = 0.9 * this.Section.Material.YieldStress * Z;
phiM_n = Y;
}
}
}
else
{
throw new Exception("Wrong section type. Only SectionRectangular, SectionOfPlateWithHoles and SectionI are supported.");
}
return(phiM_n);
}
