public static Dictionary <string, object> UnbalancedMomentFactors(PunchingShearPerimeter PunchingShearPerimeter)
{
//Default values
double gamma_vx = 0;
double gamma_vy = 0;
//Calculation logic:
PunchingShearPerimeter p = PunchingShearPerimeter;
PunchingPerimeterConfiguration Configuration;
bool IsValidInputString = Enum.TryParse(p.Configuration, true, out Configuration);
if (IsValidInputString == false)
{
throw new Exception("Failed to convert string. Examples of acceptable values are Interior, EdgeLeft, CornerLeftTop. Please check input");
}
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(p.PerimeterData, p.d, p.c_x, p.c_y, Configuration);
gamma_vx = sec.Get_gamma_vx();
gamma_vy = sec.Get_gamma_vy();
return(new Dictionary <string, object>
{
{ "gamma_vx", gamma_vx }
, { "gamma_vy", gamma_vy }
});
}
public void CornerSlabReturnsPunchingShearStressEqualForConfigurations()
{
IConcreteMaterial mat = this.GetConcreteMaterial(4000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 20.00;
double cy = 14.0;
Point2D ColumnCenter = new Point2D(0, 0);
//_UpperRight
PunchingPerimeterData data_UpperRight = f.GetPerimeterData(PunchingPerimeterConfiguration.CornerLeftTop, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec_UpperRight = new ConcreteSectionTwoWayShear(data_UpperRight, d, cx, cy, PunchingPerimeterConfiguration.CornerRightTop);
double v_u_UpperRight = sec_UpperRight.GetCombinedShearStressDueToMomementAndShear(0 * 1000, 1326 * 1000, 0, 1.0, 1.0).v_max;
//_LowerLeft
PunchingPerimeterData data_LowerLeft = f.GetPerimeterData(PunchingPerimeterConfiguration.CornerLeftTop, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec_LowerLeft = new ConcreteSectionTwoWayShear(data_LowerLeft, d, cx, cy, PunchingPerimeterConfiguration.CornerLeftBottom);
double v_u_LowerLeft = sec_LowerLeft.GetCombinedShearStressDueToMomementAndShear(0 * 1000, 1326 * 1000, 0, 1.0, 1.0).v_max;
//_LowerRight
PunchingPerimeterData data_LowerRight = f.GetPerimeterData(PunchingPerimeterConfiguration.CornerLeftTop, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec_LowerRight = new ConcreteSectionTwoWayShear(data_LowerRight, d, cx, cy, PunchingPerimeterConfiguration.CornerRightBottom);
double v_u_LowerRight = sec_LowerRight.GetCombinedShearStressDueToMomementAndShear(0 * 1000, 1326 * 1000, 0, 1.0, 1.0).v_max;
//_UpperLeft
PunchingPerimeterData data_UpperLeft = f.GetPerimeterData(PunchingPerimeterConfiguration.CornerLeftTop, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec_UpperLeft = new ConcreteSectionTwoWayShear(data_UpperLeft, d, cx, cy, PunchingPerimeterConfiguration.CornerLeftTop);
double v_u_UpperLeft = sec_UpperLeft.GetCombinedShearStressDueToMomementAndShear(0 * 1000, 1326 * 1000, 0, 1.0, 1.0).v_max;
Assert.Equal(v_u_UpperRight, v_u_LowerLeft);
Assert.Equal(v_u_UpperRight, v_u_LowerRight);
Assert.Equal(v_u_UpperRight, v_u_UpperLeft);
}
public static Dictionary <string, object> TwoWayShearStressFromConcentricLoad(double V_u, PunchingShearPerimeter PunchingShearPerimeter)
{
//Default values
double v_u = 0;
//Calculation logic:
PunchingShearPerimeter p = PunchingShearPerimeter;
PunchingPerimeterConfiguration Configuration;
bool IsValidInputString = Enum.TryParse(p.Configuration, true, out Configuration);
if (IsValidInputString == false)
{
throw new Exception("Failed to convert string. Examples of acceptable values are Interior, EdgeLeft, CornerLeftTop. Please check input");
}
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(p.PerimeterData, p.d, p.c_x, p.c_y, Configuration);
v_u = sec.GetConcentricShearStress(V_u);
return(new Dictionary <string, object>
{
{ "v_u", v_u }
});
}
public static Dictionary <string, object> TwoWayShearStrengthProvidedByConcrete(PunchingShearPerimeter PunchingShearPerimeter,
ConcreteMaterial ConcreteMaterial, double d, double c_x, double c_y, bool IsSectionAtColumnFace = true)
{
//Default values
double phi_v_c = 0;
//Calculation logic:
PunchingPerimeterConfiguration Configuration;
bool IsValidInputString = Enum.TryParse(PunchingShearPerimeter.Configuration, true, out Configuration);
if (IsValidInputString == false)
{
throw new Exception("Failed to convert string. Examples of acceptable values are Interior, EdgeLeft, CornerLeftTop. Please check input");
}
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(ConcreteMaterial.Concrete,
PunchingShearPerimeter.PerimeterData, d, c_x, c_y, Configuration);
phi_v_c = sec.GetTwoWayStrengthForUnreinforcedConcrete() / 1000.0; //convert to ksi
return(new Dictionary <string, object>
{
{ "phi_v_c", phi_v_c }
});
}
public static Dictionary <string, object> TwoWayShearStressFromMomentAndShear(double M_ux, double M_uy, double V_u, PunchingShearPerimeter PunchingShearPerimeter, string PunchingPerimeterConfiguration,
double gamma_vx, double gamma_vy, bool AllowShearRedistribution = false)
{
//Default values
double v_u_Max = 0;
double v_u_Min = 0;
//Calculation logic:
PunchingShearPerimeter p = PunchingShearPerimeter;
PunchingPerimeterConfiguration Configuration;
bool IsValidInputString = Enum.TryParse(p.Configuration, true, out Configuration);
if (IsValidInputString == false)
{
throw new Exception("Failed to convert string. Examples of acceptable values are Interior, EdgeLeft, CornerLeftTop. Please check input");
}
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(p.PerimeterData, p.d, p.c_x, p.c_y, Configuration, false);
//Check gamma's
double v_uConcentric = sec.GetConcentricShearStress(V_u);
double phi_v_c = sec.GetTwoWayStrengthForUnreinforcedConcrete() / 1000.0; //convert to ksi
if (gamma_vx == 1.0 && v_uConcentric > 0.75 * phi_v_c)
{
throw new Exception("gamma_vx cannot be 1.0 if stress due to concentric shear force exceeds 75% of concrete shear strength");
}
if (gamma_vy == 1.0 && v_uConcentric > 0.75 * phi_v_c)
{
throw new Exception("gamma_vy cannot be 1.0 if stress due to concentric shear force exceeds 75% of concrete shear strength");
}
ResultOfShearStressDueToMoment result = sec.GetCombinedShearStressDueToMomementAndShear(M_ux, M_uy, V_u, gamma_vx, gamma_vy, AllowShearRedistribution);
v_u_Max = result.v_max;
v_u_Min = result.v_min;
gamma_vx = result.gamma_vx;
gamma_vy = result.gamma_vy;
return(new Dictionary <string, object>
{
{ "v_u_Max", v_u_Max }
, { "v_u_Min", v_u_Min }
, { "gamma_vx", gamma_vx }
, { "gamma_vy", gamma_vy }
});
}
public void SlabPunchingConcentricReturnsValue()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 4.75;
double b_1 = 26.0;
double b_2 = 12.0;
List <PerimeterLineSegment> segments = f.GetPerimeterSegments(PunchingPerimeterConfiguration.Interior, b_1, b_2, d);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(mat, segments, d, b_1, b_2, true, PunchingPerimeterConfiguration.Interior);
double phi_v_c = sec.GetTwoWayStrengthForUnreinforcedConcrete() / 1000.0; //convert to kips
double refValue = 71.3 / d / 95.0; //from example
double actualTolerance = EvaluateActualTolerance(phi_v_c, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public void EdgeSlabReturnsPerimeterJ_yPropertyFor3SidedPerimeterEdgeLeft()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 18.0;
double cy = 18.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.EdgeLeft, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.EdgeLeft);
double J_y = sec.GetJy(sec.AdjustedSegments);
double refValue = 17630; //from example (page 19)
double actualTolerance = EvaluateActualTolerance(J_y, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void InteriorSlabReturnsPerimeter_gamma_vy_Property()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 12.0;
double cy = 20.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.Interior, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.Interior);
double gamma_vy = sec.Get_gamma_vy(cx + d, cy + d);
double refValue = 0.36; //from example
double actualTolerance = EvaluateActualTolerance(gamma_vy, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void EdgeSlabReturnsPunchingShearStressFor3SidedPerimeterEdgeLeft()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 18.0;
double cy = 18.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.EdgeLeft, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.EdgeLeft);
double v_u = sec.GetCombinedShearStressDueToMomementAndShear(0 * 1000, 1720 * 1000, 36000).v_min;
double refValue = -338; //from example (page 19)
double actualTolerance = EvaluateActualTolerance(v_u, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void InteriorSlabReturnsPerimeterJ_yProperty()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 12.0;
double cy = 20.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.Interior, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.Interior);
double J_y = sec.GetJy(sec.AdjustedSegments);
double refValue = 27474; //from example (page 19)
double actualTolerance = EvaluateActualTolerance(J_y, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public void EdgeSlabReturnsPerimeterJ_yPropertyFor3SidedPerimeterMG()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3500, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.5;
double cx = 12.0;
double cy = 16.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.EdgeLeft, cx, cy, d, 4.0, 4.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.EdgeLeft);
double J_y = sec.GetJy(sec.AdjustedSegments);
double refValue = 13200.0;
double actualTolerance = EvaluateActualTolerance(J_y, refValue);
Assert.LessOrEqual(actualTolerance, tolerance);
}
public void SlabPunchingStrengthReturnsValue()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 4.75;
double b_1 = 26.0;
double b_2 = 12.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData perimeter = f.GetPerimeterData(PunchingPerimeterConfiguration.Interior, b_1, b_2, d, 0, 0, ColumnCenter);
//ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(mat, perimeter, d, b_1, b_2, true, PunchingPerimeterConfiguration.Interior);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(mat, perimeter, d, b_1, b_2, PunchingPerimeterConfiguration.Interior);
double phi_v_c = sec.GetTwoWayStrengthForUnreinforcedConcrete() / 1000.0; //convert to kips
double refValue = 71.3 / d / 95.0; //from example
double actualTolerance = EvaluateActualTolerance(phi_v_c, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void InteriorSlabReturnsPunchingShearStress()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 12.0;
double cy = 20.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.Interior, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.Interior);
double gamma_vx = 0.0;
double gamma_vy = 0.36; //from example
double v_u = sec.GetCombinedShearStressDueToMomementAndShear(0, 600 * 1000, 110 * 1000, gamma_vx, gamma_vy).v_max;
double refValue = 294; //from example
double actualTolerance = EvaluateActualTolerance(v_u, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void SlabPunchingMomentAndShearReturnsStressMG()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.5;
double cx = 12.0;
double cy = 16.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.EdgeLeft, cx, cy, d, 4.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.EdgeLeft);
double gamma_v = 1.0 - 0.616;
double M_u = 6400.0 / gamma_v * 12;
double V_u = 35300.0;
double phi_v_c = sec.GetCombinedShearStressDueToMomementAndShear(0, M_u, V_u, 0, gamma_v).v_max / 1000.0; //note: moment is adjusted to be at column centroid
double refValue = 0.144; //from example
double actualTolerance = EvaluateActualTolerance(phi_v_c, refValue);
Assert.True(actualTolerance <= tolerance);
}
public void CornerSlabReturnsPunchingShearStress()
{
IConcreteMaterial mat = this.GetConcreteMaterial(3000, false);
PerimeterFactory f = new PerimeterFactory();
double d = 5.62;
double cx = 20.00;
double cy = 20.0;
Point2D ColumnCenter = new Point2D(0, 0);
PunchingPerimeterData data = f.GetPerimeterData(PunchingPerimeterConfiguration.CornerLeftTop, cx, cy, d, 0.0, 0.0, ColumnCenter);
ConcreteSectionTwoWayShear sec = new ConcreteSectionTwoWayShear(data, d, cx, cy, PunchingPerimeterConfiguration.CornerLeftTop);
double M_uy = -381.0 * 1000; // moment with adjustment for perimeter eccentricity
double M_ux = 195.0 * 1000; // moment with adjustment for perimeter eccentricity
double v_u = sec.GetCombinedShearStressDueToMomementAndShear(M_ux, M_uy, 6000.0, 0.4, 0.267).v_max;
double refValue = 192.0; //from example
double actualTolerance = EvaluateActualTolerance(v_u, refValue);
Assert.True(actualTolerance <= tolerance);
}
