79 lines
3.6 KiB
C#
79 lines
3.6 KiB
C#
using StructureHelperCommon.Infrastructures.Enums;
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using StructureHelperCommon.Models;
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using StructureHelperLogics.Models.Materials;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace StructureHelperLogics.Models.BeamShears
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{
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public class StirrupByInclinedRebarStrengthLogic : IBeamShearStrenghLogic
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{
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private readonly IStirrupByInclinedRebar inclinedRebar;
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private readonly IInclinedSection inclinedSection;
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private IRebarSectionStrengthLogic rebarSectionStrengthLogic;
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private double angleInRad;
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private double rebarStartPoint;
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private double rebarHeight;
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private double rebarEndPoint;
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private double rebarTrueStartPoint;
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private double rebarTrueEndPoint;
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public IShiftTraceLogger? TraceLogger { get; set; }
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public StirrupByInclinedRebarStrengthLogic(IInclinedSection inclinedSection, IStirrupByInclinedRebar inclinedRebar, IShiftTraceLogger traceLogger)
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{
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this.inclinedSection = inclinedSection;
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this.inclinedRebar = inclinedRebar;
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TraceLogger = traceLogger;
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}
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public double GetShearStrength()
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{
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GetGeometry();
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if (inclinedSection.StartCoord > rebarTrueEndPoint)
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{
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TraceLogger?.AddMessage($"Inclined section start point coordinate X = {inclinedSection.StartCoord} is greater than inclined rebar true end point x = {rebarTrueEndPoint}, inclined rebar has been ignored");
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return 0.0;
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}
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if (inclinedSection.EndCoord < rebarTrueStartPoint)
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{
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TraceLogger?.AddMessage($"Inclined section end point coordinate X = {inclinedSection.EndCoord} is less than inclined rebar true end point x = {rebarTrueStartPoint}, inclined rebar has been ignored");
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return 0.0;
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}
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return GetInclinedRebarStrength();
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}
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private double GetInclinedRebarStrength()
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{
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rebarSectionStrengthLogic ??= new RebarSectionStrengthLogic()
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{
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RebarStrengthFactor = 0.8,
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MaxRebarStrength = 3e8,
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LimitState = LimitStates.ULS,
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CalcTerm = CalcTerms.ShortTerm,
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TraceLogger = TraceLogger,
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};
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rebarSectionStrengthLogic.RebarSection = inclinedRebar.RebarSection;
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double rebarStrength = rebarSectionStrengthLogic.GetRebarMaxTensileForce();
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double inclinedRebarStrength = rebarStrength * Math.Sin(angleInRad) * inclinedRebar.LegCount;
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TraceLogger?.AddMessage($"Inclinated rebar {inclinedRebar.Name}, start point {rebarStartPoint}(m), end point {rebarEndPoint}(m), angle of inclination {inclinedRebar.AngleOfInclination}(deg), number of legs {inclinedRebar.LegCount}");
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TraceLogger?.AddMessage($"Force in inclined rebar = {rebarStrength}(N) * sin({inclinedRebar.AngleOfInclination}) * {inclinedRebar.LegCount} = {inclinedRebarStrength}(N)");
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return inclinedRebarStrength;
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}
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private void GetGeometry()
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{
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angleInRad = inclinedRebar.AngleOfInclination / 180 * Math.PI;
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rebarStartPoint = inclinedRebar.StartCoordinate;
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rebarHeight = inclinedSection.EffectiveDepth - inclinedRebar.CompressedGap;
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rebarEndPoint = rebarStartPoint + rebarHeight * Math.Cos(angleInRad);
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rebarTrueStartPoint = rebarStartPoint + inclinedRebar.OffSet;
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rebarTrueEndPoint = rebarEndPoint - inclinedRebar.OffSet;
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}
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}
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}
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