public static Dictionary <string, object> PositiveMomentFlexuralStrength(CustomProfile Shape, double b_eff, double h_solid, double h_rib, double F_y, double fc_prime,
double SumQ_n, string Code = "AISC360-10")
{
//Default values
double phiM_n = 0;
//Calculation logic:
if (Shape.Section is ISliceableShapeProvider)
{
ISliceableShapeProvider prov = Shape.Section as ISliceableShapeProvider;
ISliceableSection sec = prov.GetSliceableShape();
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
phiM_n = cs.GetFlexuralStrength(SumQ_n);
}
else
{
if (Shape.Section is ISliceableSection)
{
ISliceableSection sec = Shape.Section as ISliceableSection;
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
phiM_n = cs.GetFlexuralStrength(SumQ_n);
}
else
{
throw new Exception("Shape type not supported. Please provide a shape object of standard geometry");
}
}
return(new Dictionary <string, object>
{
{ "phiM_n", phiM_n }
});
}
public double GetBeamEffectiveSlabWidth(IFrameSet ifs)
{
sSteelFrameSet fs = ifs as sSteelFrameSet;
CompositeBeamSection cs = new CompositeBeamSection();
double L = fs.parentCrv.length * 39.3701;//m to in
return(cs.GetEffectiveSlabWidth(L, fs.effectiveSlabEdges.L_centerLeft_in, fs.effectiveSlabEdges.L_centerRight_in, fs.effectiveSlabEdges.L_edgeLeft_in, fs.effectiveSlabEdges.L_edgeRight_in));
}
public void CompositeBeamSectionReturnsLowerBoundMomentOfInertia()
{
double SumQ_n = 387;
CompositeBeamSection cs = GetBeamForTests(SumQ_n);
double I_LB = cs.GetLowerBoundMomentOfInertia(SumQ_n);
double refValue = 1360; // from AISC Steel Manual
double actualTolerance = EvaluateActualTolerance(I_LB, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public void CompositeBeamReturnsFlexuralStrength()
{
double SumQ_n = 387;
CompositeBeamSection cs = GetBeamForTests(SumQ_n);
double phiM_n = cs.GetFlexuralStrength(SumQ_n);
double refValue = 486; // from AISC Steel Manual
double actualTolerance = EvaluateActualTolerance(phiM_n / 12.0, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public double GetFlexuralStrength_Vertical(sCrossSection section, eColorMode forceType, IFrameSet fs)
{
sKodeStructConverter kcon = new sKodeStructConverter();
SteelMaterial mat = kcon.ToKodeStructMaterial_Steel(section);
string Code = "AISC360-10";
double phiM_n = 0;
double b_eff = this.GetBeamEffectiveSlabWidth(fs);
double SumQ_n = this.GetSumOfStudsStrength(fs);
// assuming,
// Shear Stud Anchor
// Light Weight Concrete : 4ksi
// solid concrete thickness = 2.5"
// rib thickness = 3"
//
double h_solid = 2.5;
double h_rib = 3.0;
double F_y = mat.YieldStress; //?? unit ?? F_y of what??
double fc_prime = 4.0; //?? unit ??
MomentAxis Axis = kcon.ToKodeStructMomentAxis(forceType);
//?? just this for composite?
ISection shape = kcon.ToKodeStructCrossSection(section);
if (shape is ISliceableShapeProvider)
{
ISliceableShapeProvider prov = shape as ISliceableShapeProvider;
ISliceableSection sec = prov.GetSliceableShape();
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
phiM_n = cs.GetFlexuralStrength(SumQ_n);
}
else
{
if (shape is ISliceableSection)
{
ISliceableSection sec = shape as ISliceableSection;
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
phiM_n = cs.GetFlexuralStrength(SumQ_n);
}
else
{
throw new Exception("Shape type not supported. Please provide a shape object of standard geometry");
}
}
return(phiM_n);
}
public double GetLowerBoundMomentOfInertia(sCrossSection cCheck, IFrameSet fs)
{
sKodeStructConverter kcon = new sKodeStructConverter();
SteelMaterial mat = kcon.ToKodeStructMaterial_Steel(fs.crossSection);
double I_LB = 0;
double b_eff = this.GetBeamEffectiveSlabWidth(fs);
double SumQ_n = this.GetSumOfStudsStrength(fs);
// assuming,
// Shear Stud Anchor
// Light Weight Concrete : 4ksi
// solid concrete thickness = 2.5"
// rib thickness = 3"
//
double h_solid = 2.5;
double h_rib = 3.0;
double F_y = mat.YieldStress; //?? unit ?? F_y of what??
double fc_prime = 4.0; //?? unit ??
//check lowerBound Moment of Inertia by check section???
ISection shape = kcon.ToKodeStructCrossSection(cCheck);
if (shape is ISliceableShapeProvider)
{
ISliceableShapeProvider prov = shape as ISliceableShapeProvider;
ISliceableSection sec = prov.GetSliceableShape();
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
I_LB = cs.GetLowerBoundMomentOfInertia(SumQ_n);
}
else
{
if (shape is ISliceableSection)
{
ISliceableSection sec = shape as ISliceableSection;
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
I_LB = cs.GetLowerBoundMomentOfInertia(SumQ_n);
}
else
{
throw new Exception("Shape type not supported. Please provide a shape object of standard geometry");
}
}
return(I_LB);
}
public static Dictionary <string, object> BeamEffectiveSlabWidth(double L, double L_centerLeft, double L_centerRight, double L_edgeLeft,
double L_edgeRight, string Code = "AISC360-10")
{
//Default values
double b_eff = 0;
//Calculation logic:
CompositeBeamSection cs = new CompositeBeamSection();
b_eff = cs.GetEffectiveSlabWidth(L, L_centerLeft, L_centerRight, L_edgeLeft, L_edgeRight);
return(new Dictionary <string, object>
{
{ "b_eff", b_eff }
});
}
private CompositeBeamSection GetBeamForTests(double SumQ_n)
{
double Y_2 = 5;
double f_cPrime = 4;
double h_solid = 3;
double b_eff;
double h_rib = 3;
b_eff = SumQ_n / ((h_rib + h_solid - Y_2) * 2 * 0.85 * f_cPrime); //Back calculate b_eff to get the round number from AISC manual
double Y_2T = h_solid - (SumQ_n / (0.85 * f_cPrime * b_eff) / 2.0) + h_rib; //test
AiscShapeFactory factory = new AiscShapeFactory();
ISection section = factory.GetShape("W18X35", ShapeTypeSteel.IShapeRolled);
PredefinedSectionI catI = section as PredefinedSectionI;
SectionIRolled secI = new SectionIRolled("", catI.d, catI.b_fTop, catI.t_f, catI.t_w, catI.k);
CompositeBeamSection cs = new CompositeBeamSection(secI, b_eff, h_solid, h_rib, 50.0, f_cPrime);
return(cs);
}
public static Dictionary <string, object> LowerBoundMomentOfInertia(CustomProfile Shape, double b_eff, double h_solid, double h_rib, double F_y, double fc_prime,
double SumQ_n, string Code = "AISC360-10")
{
//Default values
double I_LB = 0;
//Calculation logic:
if (Shape.Section is ISliceableShapeProvider)
{
ISliceableShapeProvider prov = Shape.Section as ISliceableShapeProvider;
ISliceableSection sec = prov.GetSliceableShape();
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
I_LB = cs.GetLowerBoundMomentOfInertia(SumQ_n);
}
else
{
if (Shape.Section is ISliceableSection)
{
ISliceableSection sec = Shape.Section as ISliceableSection;
CompositeBeamSection cs = new CompositeBeamSection(sec, b_eff, h_solid, h_rib, F_y, fc_prime);
I_LB = cs.GetLowerBoundMomentOfInertia(SumQ_n);
}
else
{
throw new Exception("Shape type not supported. Please provide a shape object of standard geometry");
}
}
return(new Dictionary <string, object>
{
{ "I_LB", I_LB }
});
}
