62 lines
2.9 KiB
C#
62 lines
2.9 KiB
C#
using StructureHelperCommon.Models;
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namespace StructureHelperLogics.Models.BeamShears
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{
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internal class BeamSectionShearStrengthLogic : IBeamShearStrenghLogic
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{
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private readonly ISectionEffectiveness sectionEffectiveness;
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private readonly double concreteStrength;
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private readonly IInclinedSection inclinedSection;
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private double crackLength;
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public BeamSectionShearStrengthLogic(
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ISectionEffectiveness sectionEffectiveness,
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double concreteStrength,
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IInclinedSection inclinedSection,
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IShiftTraceLogger? traceLogger)
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{
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this.sectionEffectiveness = sectionEffectiveness;
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this.concreteStrength = concreteStrength;
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this.inclinedSection = inclinedSection;
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TraceLogger = traceLogger;
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}
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public IShiftTraceLogger? TraceLogger { get; set; }
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public double GetShearStrength()
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{
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TraceLogger?.AddMessage($"Base shape factor = {sectionEffectiveness.BaseShapeFactor}, (dimensionless)");
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TraceLogger?.AddMessage($"Section shape factor = {sectionEffectiveness.ShapeFactor}, (dimensionless)");
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TraceLogger?.AddMessage($"Effective depth = {inclinedSection.EffectiveDepth}, (m)");
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crackLength = inclinedSection.EndCoord - inclinedSection.StartCoord;
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TraceLogger?.AddMessage($"Crack length = {inclinedSection.EndCoord} - {inclinedSection.StartCoord} = {crackLength}, (m)");
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RestrictCrackLength();
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double concreteMoment = sectionEffectiveness.BaseShapeFactor * sectionEffectiveness.ShapeFactor * concreteStrength * inclinedSection.WebWidth * inclinedSection.EffectiveDepth * inclinedSection.EffectiveDepth;
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double shearStrength = concreteMoment / crackLength;
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TraceLogger?.AddMessage($"Shear strength of concrete = {shearStrength}, (N)");
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return shearStrength;
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}
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private void RestrictCrackLength()
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{
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double maxCrackLength = sectionEffectiveness.MaxCrackLengthRatio * inclinedSection.EffectiveDepth;
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if (crackLength > maxCrackLength)
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{
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TraceLogger?.AddMessage($"Crack length c = {crackLength} is greater than maximum crack length = {maxCrackLength}");
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crackLength = maxCrackLength;
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TraceLogger?.AddMessage($"Crack length = {crackLength}");
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return;
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}
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double minCrackLength = sectionEffectiveness.MinCrackLengthRatio * inclinedSection.EffectiveDepth;
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if (crackLength > minCrackLength)
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{
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TraceLogger?.AddMessage($"Crack length c = {crackLength} is less than minimum crack length = {minCrackLength}");
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crackLength = minCrackLength;
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TraceLogger?.AddMessage($"Crack length = {crackLength}");
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}
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return;
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}
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}
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}
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