Crack width calculation was added

StructureHelperLogics/NdmCalculations/Cracking/CrackedConcreteNdmLogic.cs

@@ -0,0 +1,24 @@
+using LoaderCalculator.Data.Ndms;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Cracking
+{
+    public class CrackedConcreteNdmLogic : ISectionCrackedLogic
+    {
+        public INdm ConcreteNdm { get; set; }
+        public IForceTuple Tuple { get; set; }
+        public IEnumerable<INdm> NdmCollection { get;set; }
+        public IShiftTraceLogger? TraceLogger { get; set; }
+
+        public bool IsSectionCracked()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}