86 lines
4.3 KiB
C#
86 lines
4.3 KiB
C#
using StructureHelperCommon.Infrastructures.Enums;
|
|
using StructureHelperCommon.Infrastructures.Exceptions;
|
|
using StructureHelperCommon.Infrastructures.Interfaces;
|
|
using StructureHelperCommon.Models;
|
|
|
|
namespace StructureHelperLogics.Models.BeamShears
|
|
{
|
|
public class StirrupByRebarToDensityConvertStrategy : IConvertStrategy<IStirrupByDensity, IStirrupByRebar>
|
|
{
|
|
private const double stirrupStrengthFactor = 0.8d;
|
|
private const double maxStirrupStrength = 3e8;
|
|
private IInclinedSection inclinedSection;
|
|
private IUpdateStrategy<IStirrup> updateStrategy;
|
|
public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
|
|
public IShiftTraceLogger TraceLogger { get; set; }
|
|
|
|
public StirrupByRebarToDensityConvertStrategy(IShiftTraceLogger traceLogger, IInclinedSection inclinedSection)
|
|
{
|
|
TraceLogger = traceLogger;
|
|
this.inclinedSection = inclinedSection;
|
|
}
|
|
|
|
public StirrupByRebarToDensityConvertStrategy(IUpdateStrategy<IStirrup> updateStrategy, IShiftTraceLogger traceLogger)
|
|
{
|
|
this.updateStrategy = updateStrategy;
|
|
TraceLogger = traceLogger;
|
|
}
|
|
|
|
public IStirrupByDensity Convert(IStirrupByRebar source)
|
|
{
|
|
updateStrategy ??= new StirrupBaseUpdateStrategy();
|
|
StirrupByDensity stirrupByDensity = new(Guid.NewGuid());
|
|
updateStrategy.Update(stirrupByDensity, source);
|
|
stirrupByDensity.StirrupDensity = GetStirrupDensity(source);
|
|
stirrupByDensity.StartCoordinate = source.StartCoordinate;
|
|
stirrupByDensity.EndCoordinate = source.EndCoordinate;
|
|
return stirrupByDensity;
|
|
}
|
|
|
|
private double GetStirrupDensity(IStirrupByRebar source)
|
|
{
|
|
double area = Math.PI * source.Diameter * source.Diameter / 4d;
|
|
TraceLogger?.AddMessage($"Area of rebar = {Math.PI} * ({source.Diameter})^2 / 4 = {area}(m^2)");
|
|
double minimizedStrength = GetRebarStrength(source);
|
|
double spiralEffectiveness = 1;
|
|
if (source.IsSpiral == true)
|
|
{
|
|
spiralEffectiveness = GetSpiralEffectiveness(source);
|
|
}
|
|
double density = minimizedStrength * area * source.LegCount / source.Spacing * spiralEffectiveness;
|
|
TraceLogger?.AddMessage($"Density of stirrups = {minimizedStrength} * {area} * {source.LegCount} / {source.Spacing} * {spiralEffectiveness} = {density}(N/m)");
|
|
return density;
|
|
}
|
|
|
|
private double GetRebarStrength(IStirrupByRebar source)
|
|
{
|
|
double materialStrength = source.Material.GetStrength(LimitStates.ULS, CalcTerms.ShortTerm).Tensile;
|
|
TraceLogger?.AddMessage($"Stirrup material strength Rsw = {materialStrength}");
|
|
double stirrupStrength = stirrupStrengthFactor * materialStrength;
|
|
TraceLogger?.AddMessage($"Strength of rebar Rsw = {stirrupStrengthFactor} * {materialStrength} = {stirrupStrength}(Pa)");
|
|
double minimizedStrength = Math.Min(stirrupStrength, maxStirrupStrength);
|
|
TraceLogger?.AddMessage($"Strength of rebar Rsw = Min({stirrupStrength}, {maxStirrupStrength})= {minimizedStrength}(Pa)");
|
|
return minimizedStrength;
|
|
}
|
|
|
|
private double GetSpiralEffectiveness(IStirrupByRebar source)
|
|
{
|
|
if (inclinedSection is null)
|
|
{
|
|
string errorString = ErrorStrings.ParameterIsNull + ": Inclined Section";
|
|
TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
|
|
throw new StructureHelperException(errorString);
|
|
}
|
|
double spiralHeight = inclinedSection.EffectiveDepth - (inclinedSection.FullDepth - inclinedSection.EffectiveDepth);
|
|
TraceLogger?.AddMessage($"Spiral height = {spiralHeight}(m)");
|
|
double spiralSpacing = source.Spacing;
|
|
TraceLogger?.AddMessage($"Spiral spacing = {spiralSpacing}(m)");
|
|
double spiralAng = Math.Atan2(spiralHeight, spiralSpacing);
|
|
double spriralEffectiveness = Math.Sin(spiralAng);
|
|
double spiralAngInDegrees = 180 / (Math.PI) * spiralAng;
|
|
TraceLogger?.AddMessage($"Spiral effectiveness factor = sin({spiralAngInDegrees}(deg)) = {spriralEffectiveness}");
|
|
return spriralEffectiveness;
|
|
}
|
|
}
|
|
}
|