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 SteelHssSection(ISectionHollow Section, ISteelMaterial Material)
: base(Material)
{
this.section = Section;
}
public SteelHssSection(ISectionHollow Section, ISteelMaterial Material)
:base(Material)
{
this.section = Section;
}
public IHssTrussBranchConnection GetConnection(HssTrussConnectionMemberType MemberType,
HssTrussConnectionClassification Classification, ISectionHollow ChordSection, ISectionHollow MainBranchSection,
ISectionHollow SecondaryBranchSection, double F_yChord, double F_yBranch,
double thetaMainBranch, double thetaSecondaryBranch, AxialForceType ForceTypeMainBranch,
AxialForceType ForceTypeSecondaryBranch, bool IsTensionChord,
double P_uChord, double M_uChord,
double O_v = 0)
{
if (MemberType == HssTrussConnectionMemberType.Rhs)
{
if (ChordSection is ISectionTube && MainBranchSection is ISectionTube && SecondaryBranchSection is ISectionTube)
{
SteelMaterial matChord = new SteelMaterial(F_yChord);
SteelRhsSection Chord = new SteelRhsSection(ChordSection as ISectionTube, matChord);
SteelMaterial matBr = new SteelMaterial(F_yBranch);
SteelRhsSection MainBranch = new SteelRhsSection(MainBranchSection as ISectionTube, matBr);
SteelRhsSection SecondaryBranch = new SteelRhsSection(SecondaryBranchSection as ISectionTube, matBr);
switch (Classification)
{
case HssTrussConnectionClassification.T:
return(new RhsTrussTConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.Y:
return(new RhsTrussYConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.X:
return(new RhsTrussXConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.GappedK:
return(new RhsTrussGappedKConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord));
break;
case HssTrussConnectionClassification.OverlappedK:
return(new RhsTrussOverlappedConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord, O_v));
break;
default:
throw new Exception("Connection classification not recognized.");
break;
}
}
else
{
throw new Exception("One of the member section is not of type ISectionTube. Ensure that a rectangular hollow section object type is used for chord and branches.");
}
}
else
{
throw new NotImplementedException("Circular HSS truss connections are not supported yet.");
}
}
public IHssTrussBranchConnection GetConnection(HssTrussConnectionMemberType MemberType,
HssTrussConnectionClassification Classification, ISectionHollow ChordSection, ISectionHollow MainBranchSection,
ISectionHollow SecondaryBranchSection, double F_yChord, double F_yBranch,
double thetaMainBranch, double thetaSecondaryBranch, AxialForceType ForceTypeMainBranch,
AxialForceType ForceTypeSecondaryBranch, bool IsTensionChord,
double P_uChord, double M_uChord,
double O_v=0)
{
if (MemberType == HssTrussConnectionMemberType.Rhs)
{
if (ChordSection is ISectionTube && MainBranchSection is ISectionTube && SecondaryBranchSection is ISectionTube)
{
SteelMaterial matChord = new SteelMaterial(F_yChord);
SteelRhsSection Chord = new SteelRhsSection(ChordSection as ISectionTube, matChord);
SteelMaterial matBr = new SteelMaterial(F_yBranch);
SteelRhsSection MainBranch = new SteelRhsSection(MainBranchSection as ISectionTube, matBr);
SteelRhsSection SecondaryBranch = new SteelRhsSection(SecondaryBranchSection as ISectionTube, matBr);
switch (Classification)
{
case HssTrussConnectionClassification.T:
return new RhsTrussTConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.Y:
return new RhsTrussYConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.X:
return new RhsTrussXConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch, ForceTypeMainBranch, ForceTypeSecondaryBranch,
IsTensionChord, P_uChord, M_uChord);
break;
case HssTrussConnectionClassification.GappedK:
return new RhsTrussGappedKConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord,M_uChord);
break;
case HssTrussConnectionClassification.OverlappedK:
return new RhsTrussOverlappedConnection(Chord, MainBranch, thetaMainBranch, SecondaryBranch, thetaSecondaryBranch,
ForceTypeMainBranch, ForceTypeSecondaryBranch, IsTensionChord, P_uChord, M_uChord,O_v);
break;
default:
throw new Exception("Connection classification not recognized.");
break;
}
}
else
{
throw new Exception("One of the member section is not of type ISectionTube. Ensure that a rectangular hollow section object type is used for chord and branches.");
}
}
else
{
throw new NotImplementedException("Circular HSS truss connections are not supported yet.");
}
}
