Tuple crack calculator was changed

StructureHelperLogics/NdmCalculations/Cracking/ITensileAreaLogic.cs

@@ -1,5 +1,6 @@
 using LoaderCalculator.Data.Matrix;
 using LoaderCalculator.Data.Ndms;
+using StructureHelperCommon.Infrastructures.Interfaces;
 using StructureHelperCommon.Models.Forces;
 using System;
 using System.Collections.Generic;
@@ -12,7 +13,7 @@ namespace StructureHelperLogics.NdmCalculations.Cracking
     /// <summary>
     /// Logic fo calculating of tensile area of RC crosssection
     /// </summary>
-    public interface ITensileAreaLogic
+    public interface ITensileAreaLogic : ILogic
     {
         IEnumerable<INdm> NdmCollection { get; set; }
         IStrainMatrix StrainMatrix { get; set; }