Add BeamShearCalculator

StructureHelperCommon/Models/Forces/BeamShearActions/IBeamShearAxisAction.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Forces
+{
+    /// <summary>
+    /// Implement properties of shear loads on beam
+    /// </summary>
+    public interface IBeamShearAxisAction : IAction
+    {
+        double SupportShearForce { get; set; }
+        List<IBeamShearLoad> ShearLoads {get;}
+    }
+}