Exemple #1
0
        public static Dictionary <string, object> HssToLongitudinalPlateWallPlastification(CustomProfile HssSection, CustomProfile PlateSection,
                                                                                           double F_y, double F_yp, double P_uHss, double M_uHss, double theta = 90.0, bool IsTensionHss = false, bool IsThroughPlate = false)
        {
            //Default values
            double phiR_n = 0;
            bool   IsApplicableLimitState = false;


            //Calculation logic:
            CalcLog log = new CalcLog();
            SteelLimitStateValue limitState = null;

            //PLATE

            SteelPlateSection pl = null;

            if (!(PlateSection.Section is ISectionRectangular))
            {
                throw new Exception("Failed to convert section. Section needs to be either a Pipe or a Tube. Please check input.");
            }
            else
            {
                SteelMaterial       mat = new SteelMaterial(F_y);
                ISectionRectangular rect = PlateSection.Section as ISectionRectangular;
                double t_pl, b_pl = 0.0;
                KodestructSection.SectionRectangular rSect;
                if (rect.B <= rect.H)
                {
                    rSect = new KodestructSection.SectionRectangular(rect.B, rect.H);
                }
                else
                {
                    rSect = new KodestructSection.SectionRectangular(rect.H, rect.B);
                }
                pl = new SteelPlateSection(rSect, mat);
            }


            //HSS

            if (!(HssSection.Section is ISectionHollow))
            {
                throw new Exception("Failed to convert section. Section needs to be either a Pipe or a Tube. Please check input.");
            }
            else
            {
                SteelMaterial mat = new SteelMaterial(F_y);
                if (HssSection.Section is ISectionPipe)
                {
                    SteelChsSection      sec = new SteelChsSection(HssSection.Section as ISectionPipe, mat);
                    ChsLongitudinalPlate longitudinalPlateChs = new ChsLongitudinalPlate(sec, pl, log, IsTensionHss, theta, P_uHss, M_uHss);

                    limitState = longitudinalPlateChs.GetHssWallPlastificationStrengthUnderAxialLoad();
                    if (IsThroughPlate == false)
                    {
                        phiR_n = limitState.Value;
                    }
                    else
                    {
                        phiR_n = 2.0 * limitState.Value; //analogous to Rectangular HSS provsions
                    }

                    IsApplicableLimitState = limitState.IsApplicable;
                }
                else if (HssSection.Section is ISectionTube)
                {
                    SteelRhsSection sec = new SteelRhsSection(HssSection.Section as ISectionTube, mat);
                    if (IsThroughPlate == false)
                    {
                        RhsLongitudinalPlate longitudinalPlateRhs = new RhsLongitudinalPlate(sec, pl, log, IsTensionHss, theta, P_uHss, M_uHss);

                        limitState             = longitudinalPlateRhs.GetHssWallPlastificationStrengthUnderAxialLoad();
                        phiR_n                 = limitState.Value;
                        IsApplicableLimitState = limitState.IsApplicable;
                    }
                    else
                    {
                        RhsLongitudinalThroughPlate longitudinalPlateRhs = new RhsLongitudinalThroughPlate(sec, pl, log, IsTensionHss, theta, P_uHss, M_uHss);

                        limitState             = longitudinalPlateRhs.GetHssWallPlastificationStrengthUnderAxialLoad();
                        phiR_n                 = limitState.Value;
                        IsApplicableLimitState = limitState.IsApplicable;
                    }
                }
                else
                {
                    throw new Exception("Unsupported type of hollow section. Please use Tube or Pipe.");
                }
            }

            return(new Dictionary <string, object>
            {
                { "phiR_n", phiR_n }
                , { "IsApplicableLimitState", IsApplicableLimitState }
            });
        }