Tuple crack calculator was changed

StructureHelperCommon/Models/Materials/ICrackedMaterial.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Materials
+{
+    public interface ICrackedMaterial
+    {
+        bool TensionForULS { get; set; }
+        bool TensionForSLS { get; set; }
+    }
+}