Crack Calculator was added

StructureHelperLogics/MaterialBuilders/IBearingOption.cs

@@ -0,0 +1,19 @@
+using LoaderCalculator.Data.Materials.MaterialBuilders;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.MaterialBuilders
+{
+    internal interface IBearingOption : IMaterialOption
+    {
+        double InitModulus { get; set; }
+        double Strength { get; set; }
+        LimitStates LimitState { get; set; }
+        bool IsShortTerm { get; set; }
+        CodesType CodesType { get; set; }
+        IPartialFactor ExternalFactor { get; }
+    }
+}