public ShearMemberBox(ISectionTube section, ISteelMaterial material)
{
base.material = material;
base.t_w = 2.0 * section.t_des;
base.h = section.H - 3.0 * section.t_des;
}
public ShearMemberBox(ISectionTube section, ISteelMaterial material)
{
base.material = material;
base.t_w = 2.0 * section.t_des;
base.h = section.H - 3.0 * section.t_des;
}
internal double GetLocalYieldingOnSidewalls()
{
double R = 0;
ISectionTube tube = Hss.Section as ISectionTube;
if (tube == null)
{
throw new Exception("Member must be of type SectionTube");
}
double B = tube.B;
double Fy = Hss.Material.YieldStress;
double tp = Plate.Section.B;
double lb = tp;
double A = tube.A;
double Rn = 0.0;
if ((5.0 * t_plCap + lb) < B)
{
//(K1-14a)
Rn = 2.0 * Fy * t_plCap * (5.0 * t_plCap + lb);
}
else
{
//(K1-14b)
Rn = Fy * A;
}
R = 1.0 * Rn;
return(R);
}
internal double GetLocalCripplingOfSideWalls()
{
double R = 0.0;
double Rn = 0.0;
double tp = Plate.Section.B;
double lb = tp;
ISectionTube tube = Hss.Section as ISectionTube;
if (tube == null)
{
throw new Exception("Member must be of type SectionTube");
}
double B = tube.B;
double t = tube.t_des;
double E = SteelConstants.ModulusOfElasticity;
double Fy = Hss.Material.YieldStress;
if (5.0 * t_plCap + lb < B)
{
//(K1-15)
Rn = 1.6 * Math.Pow(t, 2) * (1.0 + 6.0 * lb / B * Math.Pow(t / t_plCap, 1.5)) * Math.Sqrt(E * Fy * t_plCap / t);
}
else
{
double A = tube.A;
Rn = Fy * A;
}
R = 0.75 * Rn;
return(R);
}
private ISteelBeamFlexure CreateRhsBeam(CompactnessClassFlexure FlangeCompactness, FlexuralCompressionFiberPosition compressionFiberPosition,
CompactnessClassFlexure WebCompactness,
ISectionTube RhsSec, ISteelMaterial Material, MomentAxis MomentAxis, ICalcLog Log)
{
SteelRhsSection steelSection = new SteelRhsSection(RhsSec, Material);
ISteelBeamFlexure beam = null;
beam = new BeamRectangularHss(steelSection, compressionFiberPosition, MomentAxis, Log);
return(beam);
}
public void SectionRHSReturnsWeakAxisClone()
{
AiscShapeFactory factory = new AiscShapeFactory();
ISectionTube section = factory.GetShape("HSS12X6X.375") as ISectionTube;
ISection sectionClone = section.GetWeakAxisClone();
double I_x = sectionClone.I_x;
double refI_x = 72.9;
//Manual gives 10.3 but actual area checked in Autocad is 10.42
double actualTolerance = EvaluateActualTolerance(I_x, refI_x);
Assert.LessOrEqual(actualTolerance, tolerance);
}
//ICompactnessElement FlangeCompactness;
//ICompactnessElement WebCompactness;
public HollowMember(ISteelSection section,
FlexuralCompressionFiberPosition compressionFiberPosition, MomentAxis MomentAxis)
{
ISection Section = section.Shape;
if (Section is ISectionTube || Section is ISectionPipe || Section is ISectionBox)
{
if (Section is ISectionTube)
{
ISectionTube tube = Section as ISectionTube;
if (MomentAxis == MomentAxis.XAxis)
{
FlangeCompactness = new FlangeOfRhs(section.Material, tube, MomentAxis);
WebCompactness = new WebOfRhs(section.Material, tube, MomentAxis);
}
else
{
WebCompactness = new FlangeOfRhs(section.Material, tube, MomentAxis);
FlangeCompactness = new WebOfRhs(section.Material, tube, MomentAxis);
}
}
if (Section is ISectionPipe)
{
ISectionPipe pipe = Section as ISectionPipe;
FlangeCompactness = new WallOfChs(section.Material, pipe);
WebCompactness = new WallOfChs(section.Material, pipe);
}
if (Section is ISectionBox)
{
ISectionBox box = Section as ISectionBox;
if (MomentAxis == MomentAxis.XAxis)
{
FlangeCompactness = new FlangeOfBox(section.Material, box);
WebCompactness = new WebOfBox(section.Material, box);
}
else
{
WebCompactness = new FlangeOfBox(section.Material, box);
FlangeCompactness = new WebOfBox(section.Material, box);
}
}
}
else
{
throw new SectionWrongTypeException("ISectionTube, ISectionPipe or ISectionBox");
}
}
protected double GetBeta()
{
double beta;
double Bp = Plate.Section.H;
ISectionTube tube = Hss.Section as ISectionTube;
if (tube == null)
{
throw new Exception("Member must be of type SectionTube");
}
double B = tube.B;
beta = Bp / B;
return(beta);
}
internal double GetHSSWallPlastification()
{
//(K1-13)
double R = 0.0;
double Rn;
double theta = Angle;
double sinTheta = Math.Sin(theta.ToRadians());
double Fy = Hss.Material.YieldStress;
double t = 0.0;
ISectionHollow hollowMember = Hss.Section as ISectionHollow;
if (hollowMember != null)
{
t = hollowMember.t_des;
}
else
{
throw new Exception("Member must be of type IHollowMember");
}
ISectionTube tube = Hss.Section as ISectionTube;
if (tube == null)
{
throw new Exception("Member must be of type SectionTube");
}
double B = tube.B;
double tp = Plate.Section.B;
double lb = Plate.Section.H / sinTheta;
double Qf = RhsStressInteractionQf(HssPlateOrientation.Longitudinal);
//(K1-13)
Rn = 2.0 * Fy * Math.Pow(t, 2) / (1.0 - (tp / B)) * (2.0 * lb / B + 4.0 * Math.Sqrt(1.0 - tp / B) * Qf) / sinTheta;
R = Rn * 1.0;
return(R);
}
public double GetEffectivePlateWidth()
{
double Bep;
double Bp = Plate.Section.H;
double t = Plate.Section.B;
ISectionTube tube = Hss.Section as ISectionTube;
if (tube == null)
{
throw new Exception("Member must be of type SectionTube");
}
double B = tube.B;
//(K1-18)
Bep = 10.0 * Bp / (B / t);
Bep = Bep > Bp ? Bp : Bep;
return(Bep);
}
public FlangeOfRhs(ISteelMaterial Material, ISectionTube SectionTube, MomentAxis MomentAxis) //double OutsideCornerRadius=-1.0)
:base(Material)
{
this.SectionTube = SectionTube;
ISectionTube s = SectionTube;
double td = s.t_des;
//if (OutsideCornerRadius==-1.0)
//{
// this.Width = s.B - 3.0 * td;
//}
//else
//{
// if (OutsideCornerRadius<0)
// {
// throw new Exception("Invalid RHS corner radius. Must be over 0");
// }
// this.Width = s.B - 2.0 * OutsideCornerRadius;
//}
this.Width = GetFlangeWidth_bf(MomentAxis);
this.Thickness = td;
}
public FlangeOfRhs(ISteelMaterial Material, ISectionTube SectionTube, MomentAxis MomentAxis) //double OutsideCornerRadius=-1.0)
: base(Material)
{
this.SectionTube = SectionTube;
ISectionTube s = SectionTube;
double td = s.t_des;
//if (OutsideCornerRadius==-1.0)
//{
// this.Width = s.B - 3.0 * td;
//}
//else
//{
// if (OutsideCornerRadius<0)
// {
// throw new Exception("Invalid RHS corner radius. Must be over 0");
// }
// this.Width = s.B - 2.0 * OutsideCornerRadius;
//}
this.Width = GetFlangeWidth_bf(MomentAxis);
this.Thickness = td;
}
public SteelRhsSection(ISectionTube Section, ISteelMaterial Material)
: base(Section, Material)
{
this.section = Section;
}
protected override double GetArea()
{
ISectionTube tb = hss.Section;
return(hss.Section.A);
}
private ISteelBeamFlexure CreateRhsBeam(CompactnessClassFlexure FlangeCompactness, FlexuralCompressionFiberPosition compressionFiberPosition,
CompactnessClassFlexure WebCompactness,
ISectionTube RhsSec, ISteelMaterial Material, MomentAxis MomentAxis, ICalcLog Log)
{
SteelRhsSection steelSection = new SteelRhsSection(RhsSec, Material);
ISteelBeamFlexure beam = null;
beam = new BeamRectangularHss(steelSection,compressionFiberPosition, MomentAxis, Log);
return beam;
}
public double GetPureTorsionStressForClosedSection(ISection section, double T_u)
{
double tau;
double b, h, t, J, R;
if (section is ISolidShape)
{
if (section is ISectionRectangular)
{
ISectionRectangular sr = section as ISectionRectangular;
J = sr.J;
R = Math.Min(sr.B, sr.H);
}
else if (section is ISectionRound)
{
ISectionRound srou = section as ISectionRound;
J = srou.J;
R = srou.D / 2.0;
}
else
{
throw new Exception("Section type is not applicable for closed section analysis");
}
tau = T_u * R / J;
}
else if (section is ISectionHollow)
{
if (section is ISectionTube || section is ISectionBox)
{
if (section is ISectionBox)
{
ISectionBox sb = section as ISectionBox;
b = sb.B;
h = sb.H;
t = Math.Min(sb.t_f, sb.t_w);
}
else if (section is ISectionTube)
{
ISectionTube sT = section as ISectionTube;
b = sT.B;
h = sT.H;
t = sT.t_des;
}
else
{
throw new Exception("Section type is not applicable for closed section analysis");
}
tau = GetBoxShearStress(T_u, b, h, t);
}
else if (section is ISectionPipe)
{
ISectionPipe pipe = section as ISectionPipe;
R = pipe.D / 2.0;
J = pipe.J;
tau = GetPipeStress(T_u, R, J);
}
else
{
throw new Exception("Section type is not applicable for closed section analysis");
}
}
else
{
throw new Exception("Section type is not applicable for closed section analysis");
}
return(tau);
}
public ISteelCompressionMember GetCompressionMember(ISection Shape, double L_ex, double L_ey, double L_ez, double F_y, double E, bool IsRolledShape = true)
{
string DEFAULT_EXCEPTION_STRING = "Selected shape is not supported. Select a different shape.";
ISteelCompressionMember col = null;
CalcLog log = new CalcLog();
SteelMaterial Material = new SteelMaterial(F_y, E);
if (Shape is ISectionI)
{
ISectionI IShape = Shape as ISectionI;
SteelSectionI SectionI = new SteelSectionI(IShape, Material);
IShapeFactory IShapeFactory = new IShapeFactory();
return(IShapeFactory.GetIshape(SectionI, IsRolledShape, L_ex, L_ey, L_ez, log));
}
else if (Shape is ISectionChannel)
{
ISectionChannel ChannelShape = Shape as ISectionChannel;
SteelChannelSection ChannelSection = new SteelChannelSection(ChannelShape, Material);
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
else if (Shape is ISectionPipe)
{
ISectionPipe SectionPipe = Shape as ISectionPipe;
SteelPipeSection PipeSection = new SteelPipeSection(SectionPipe, Material);
ChsShapeFactory ChsFactory = new ChsShapeFactory();
return(ChsFactory.GetChsShape(PipeSection, L_ex, L_ey, L_ez, log));
}
else if (Shape is ISectionTube)
{
ISectionTube TubeShape = Shape as ISectionTube;
SteelRhsSection RectHSS_Section = new SteelRhsSection(TubeShape, Material);
RhsShapeFactory RhsFactory = new RhsShapeFactory();
return(RhsFactory.GetRhsShape(RectHSS_Section, L_ex, L_ey, L_ez, log));
}
else if (Shape is ISectionBox)
{
ISectionBox BoxShape = Shape as ISectionBox;
SteelBoxSection BoxSection = new SteelBoxSection(BoxShape, Material);
RhsShapeFactory RhsFactory = new RhsShapeFactory();
return(RhsFactory.GetRhsShape(BoxSection, L_ex, L_ey, L_ez, log));
}
else if (Shape is ISectionTee)
{
ISectionTee TeeShape = Shape as ISectionTee;
SteelTeeSection TeeSection = new SteelTeeSection(TeeShape, Material);
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
else
{
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
}
public ISteelBeamFlexure GetBeam(ISection Shape, ISteelMaterial Material, ICalcLog Log, MomentAxis MomentAxis,
FlexuralCompressionFiberPosition compressionFiberPosition, bool IsRolledMember = true)
{
ISteelBeamFlexure beam = null;
if (MomentAxis == Common.Entities.MomentAxis.XAxis)
{
if (Shape is ISectionI)
{
ISectionI IShape = Shape as ISectionI;
SteelSectionI SectionI = new SteelSectionI(IShape, Material);
if (IShape.b_fBot == IShape.b_fTop && IShape.t_fBot == IShape.t_fTop) // doubly symmetric
{
DoublySymmetricIBeam dsBeam = new DoublySymmetricIBeam(SectionI, Log, compressionFiberPosition, IsRolledMember);
beam = dsBeam.GetBeamCase();
}
else
{
SinglySymmetricIBeam ssBeam = new SinglySymmetricIBeam(SectionI, IsRolledMember, compressionFiberPosition, Log);
beam = ssBeam.GetBeamCase();
}
}
else if (Shape is ISolidShape)
{
ISolidShape solidShape = Shape as ISolidShape;
SteelSolidSection SectionSolid = new SteelSolidSection(solidShape, Material);
beam = new BeamSolid(SectionSolid, Log, MomentAxis);
}
else if (Shape is ISectionChannel)
{
ISectionChannel ChannelShape = Shape as ISectionChannel;
SteelChannelSection ChannelSection = new SteelChannelSection(ChannelShape, Material);
beam = new BeamChannel(ChannelSection, IsRolledMember, Log);
IShapeCompactness compactness = new ShapeCompactness.ChannelMember(ChannelSection, IsRolledMember, compressionFiberPosition);
CompactnessClassFlexure flangeCompactness = compactness.GetFlangeCompactnessFlexure();
CompactnessClassFlexure webCompactness = compactness.GetWebCompactnessFlexure();
if (flangeCompactness != CompactnessClassFlexure.Compact || webCompactness != CompactnessClassFlexure.Compact)
{
throw new Exception("Channels with non-compact and slender flanges or webs are not supported. Revise input.");
}
}
else if (Shape is ISectionPipe)
{
ISectionPipe SectionPipe = Shape as ISectionPipe;
SteelPipeSection PipeSection = new SteelPipeSection(SectionPipe, Material);
beam = new BeamCircularHss(PipeSection, Log);
}
else if (Shape is ISectionTube)
{
ISectionTube TubeShape = Shape as ISectionTube;
SteelRhsSection RectHSS_Section = new SteelRhsSection(TubeShape, Material);
beam = new BeamRectangularHss(RectHSS_Section, compressionFiberPosition, MomentAxis, Log);
}
else if (Shape is ISectionBox)
{
ISectionBox BoxShape = Shape as ISectionBox;
SteelBoxSection BoxSection = new SteelBoxSection(BoxShape, Material);
beam = new BeamRectangularHss(BoxSection, compressionFiberPosition, MomentAxis, Log);
}
else if (Shape is ISectionTee)
{
ISectionTee TeeShape = Shape as ISectionTee;
SteelTeeSection TeeSection = new SteelTeeSection(TeeShape, Material);
beam = new BeamTee(TeeSection, Log);
}
else if (Shape is ISectionAngle)
{
ISectionAngle Angle = Shape as ISectionAngle;
SteelAngleSection AngleSection = new SteelAngleSection(Angle, Material);
beam = new BeamAngle(AngleSection, Log, Angle.AngleRotation, MomentAxis, Angle.AngleOrientation);
}
else if (Shape is ISolidShape)
{
ISolidShape SolidShape = Shape as ISolidShape;
SteelSolidSection SolidSection = new SteelSolidSection(SolidShape, Material);
beam = new BeamSolid(SolidSection, Log, MomentAxis);
}
else
{
throw new Exception("Specified section type is not supported for this node.");
}
}
else // weak axis
{
if (Shape is ISectionI)
{
ISectionI IShape = Shape as ISectionI;
SteelSectionI SectionI = new SteelSectionI(IShape, Material);
beam = new BeamIWeakAxis(SectionI, IsRolledMember, Log);
}
else
{
throw new NotImplementedException();
}
}
return(beam);
}
public ISteelCompressionMember GetCompressionMember(ISection Shape, double L_ex, double L_ey, double L_ez, double F_y, double E, bool IsRolledShape = true)
{
string DEFAULT_EXCEPTION_STRING = "Selected shape is not supported. Select a different shape.";
ISteelCompressionMember col = null;
CalcLog log = new CalcLog();
SteelMaterial Material = new SteelMaterial(F_y, E);
if (Shape == null)
{
return(new ColumnGeneral(null, L_ex, L_ey, L_ez));
}
if (Shape is ISectionI)
{
ISectionI IShape = Shape as ISectionI;
SteelSectionI SectionI = new SteelSectionI(IShape, Material);
IShapeFactory IShapeFactory = new IShapeFactory();
return(IShapeFactory.GetIshape(SectionI, IsRolledShape, L_ex, L_ey, L_ez));
}
else if (Shape is ISectionChannel)
{
ISectionChannel ChannelShape = Shape as ISectionChannel;
SteelChannelSection ChannelSection = new SteelChannelSection(ChannelShape, Material);
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
else if (Shape is ISectionPipe)
{
ISectionPipe SectionPipe = Shape as ISectionPipe;
SteelPipeSection PipeSection = new SteelPipeSection(SectionPipe, Material);
ChsShapeFactory ChsFactory = new ChsShapeFactory();
return(ChsFactory.GetChsShape(PipeSection, L_ex, L_ey, L_ez, log));
}
else if (Shape is ISectionTube)
{
ISectionTube TubeShape = Shape as ISectionTube;
SteelRhsSection RectHSS_Section = new SteelRhsSection(TubeShape, Material);
RhsShapeFactory RhsFactory = new RhsShapeFactory();
return(RhsFactory.GetRhsShape(RectHSS_Section, L_ex, L_ey, L_ez));
}
else if (Shape is ISectionBox)
{
ISectionBox BoxShape = Shape as ISectionBox;
SteelBoxSection BoxSection = new SteelBoxSection(BoxShape, Material);
RhsShapeFactory RhsFactory = new RhsShapeFactory();
return(RhsFactory.GetRhsShape(BoxSection, L_ex, L_ey, L_ez));
}
else if (Shape is ISectionRectangular || Shape is ISectionRound)
{
ISteelSection solidSec;
if (Shape is ISectionRectangular)
{
ISectionRectangular RectangleShape = Shape as ISectionRectangular;
solidSec = new SteelRectangleSection(RectangleShape, Material);
}
else
{
ISectionRound rnd = Shape as ISectionRound;
solidSec = new SteelRoundSection(rnd, Material);
}
CompressionMemberRectangle SolidShapeSection = new CompressionMemberRectangle(solidSec, L_ex, L_ey, L_ez);
return(SolidShapeSection);
}
else if (Shape is ISectionTee)
{
ISectionTee TeeShape = Shape as ISectionTee;
SteelTeeSection TeeSection = new SteelTeeSection(TeeShape, Material);
IShapeCompactness compactnessTee = new ShapeCompactness.TeeMember(TeeSection);
CompactnessClassAxialCompression flangeCompactness = compactnessTee.GetFlangeCompactnessCompression();
CompactnessClassAxialCompression stemCompactness = compactnessTee.GetWebCompactnessCompression();
if (flangeCompactness == CompactnessClassAxialCompression.NonSlender && stemCompactness == CompactnessClassAxialCompression.NonSlender)
{
return(new ColumnTee(TeeSection, IsRolledShape, L_ex, L_ey, L_ez));
}
else
{
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
}
else
{
throw new Exception(DEFAULT_EXCEPTION_STRING);
}
}
