public BoltBearingGroupA(double Diameter, BoltThreadCase ThreadType,
ICalcLog log = null)
: base(Diameter, ThreadType, log)
{
material = new BoltGroupAMaterial();
nominalTensileStress = material.GetNominalTensileStress(ThreadType);
nominalShearStress = material.GetNominalShearStress(ThreadType);
}
public BoltSlipCriticalGroupA(double Diameter, BoltThreadCase ThreadType,
BoltFayingSurfaceClass FayingSurface, BoltHoleType HoleType,
BoltFillerCase Fillers, int NumberOfSlipPlanes, ICalcLog log, double PretensionMultiplier = 1.13) :
base(Diameter, ThreadType, FayingSurface, HoleType, Fillers, NumberOfSlipPlanes, log, PretensionMultiplier)
{
material = new BoltGroupAMaterial();
nominalTensileStress = material.GetNominalTensileStress(ThreadType);
nominalShearStress = material.GetNominalTensileStress(ThreadType);
}
public IBoltMaterial GetBoltMaterial()
{
IBoltMaterial m = null;
switch (MaterialId)
{
//case "A108": m = new ThreadedBoltMaterial(65.0); break;
case "A325": m = new BoltGroupAMaterial(); break;
case "A490": m = new BoltGroupBMaterial(); break;
case "F1852": m = new BoltGroupAMaterial(); break;
//case "A36": m = new ThreadedBoltMaterial(58.0); break;
//case "A193 Grade B7": m = new ThreadedBoltMaterial(100.0); break; //Can use higher value, up to 125 ksi for smaller diameters
case "A307": m = new BoltA307Material(); break;
case "A354GradeBC": m = new BoltGroupAMaterial(); break; //This is per AISC spec. Design guide 1 gives higher values
case "A354GradeBD": m = new BoltGroupBMaterial(); break; //This is per AISC spec. Design guide 1 gives higher values
case "A449": m = new BoltGroupAMaterial(); break;
//case "A572": break; //TODO: eliminate this from material selection node
//case "A588": m = new ThreadedBoltMaterial(70.0); break; // for large diameters (over 4") this is unconservative.
//case "A687": m = new ThreadedBoltMaterial(150.0); break; //AISC indicates 150ksi MAX
case "F1554Grade105": m = new ThreadedBoltMaterial(125.0); break; //Design guide 1 Table 2.2
case "F1554Grade55": m = new ThreadedBoltMaterial(75.0); break; //Design guide 1 Table 2.2
case "F1554Grade36": m = new ThreadedBoltMaterial(58.0); break; //Design guide 1 Table 2.2
//case "A572 Grade 42": m = new ThreadedBoltMaterial(60.0); break; //AISC Manual Table 2-6
//case "A572 Grade 50": m = new ThreadedBoltMaterial(65.0); break; //AISC Manual Table 2-6
//case "A572 Grade 55": m = new ThreadedBoltMaterial(70.0); break; //AISC Manual Table 2-6
//case "A572 Grade 60": m = new ThreadedBoltMaterial(75.0); break; //AISC Manual Table 2-6
//case "A572 Grade 65": m = new ThreadedBoltMaterial(80.0); break; //AISC Manual Table 2-6
default: throw new Exception("Unrecognized bolt material. Check input");
}
return(m);
}
