public static Dictionary <string, object> RequiredLongitudinalTorsionRebar(ConcreteFlexureAndAxiaSection ConcreteSection, double T_u, RebarMaterial RebarMaterial,
double c_transv_ctr, double theta = 45, string Code = "ACI318-14")
{
//Default values
double A_l = 0;
//Calculation logic:
TorsionShapeFactory tss = new TorsionShapeFactory();
ConcreteSectionFlexure sec = (ConcreteSectionFlexure)ConcreteSection.FlexuralSection;
IConcreteTorsionalShape shape = tss.GetShape(sec.Section.SliceableShape, ConcreteSection.ConcreteMaterial.Concrete, c_transv_ctr);
ConcreteSectionTorsion secT = new ConcreteSectionTorsion(shape);
double T_u_lb_in = T_u * 1000.0; //internally Kodestruct uses lb - in units for concrete
A_l = secT.GetRequiredTorsionLongitudinalReinforcementArea(T_u_lb_in, RebarMaterial.Material.YieldStress);
return(new Dictionary <string, object>
{
{ "A_l", A_l }
});
}
public void RectangularBeamReturnsRequiredLongitudinalRebarValue()
{
double h = 24.0;
double d = 21.5;
double b = 14.0;
double N_u = 0.0;
double V_u = 57100.0;
double T_u = 28.0 * 12000.0;
double fc = 3000.0;
double s = 1.0;
double c_center = 1.75;
bool IsLightWeight = false;
ConcreteSectionTorsion tb = GetConcreteTorsionBeam(b, h, fc, d, false, c_center);
double A_s = tb.GetRequiredTorsionLongitudinalReinforcementArea(T_u, 60000); //Conversion from ACI psi units to ksi units
double refValue = 1.26; //Example 7-2
double actualTolerance = EvaluateActualTolerance(A_s, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
