Add beam section logic

StructureHelperLogics/Models/BeamShears/IBeamShearSection.cs

@@ -0,0 +1,31 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.Models.BeamShears
+{
+    /// <summary>
+    /// Properties of concrete cross-section for shear strength of beam
+    /// </summary>
+    public interface IBeamShearSection : ISaveable, ICloneable
+    {
+        string? Name { get; set; }
+        /// <summary>
+        /// Concrete of cross-section
+        /// </summary>
+        IConcreteLibMaterial Material { get; set; }
+        /// <summary>
+        /// Shape of cross-section
+        /// </summary>
+        IShape Shape {get;}
+        /// <summary>
+        /// Distance from edge of tension zone to center of the nearest reinforcement bar
+        /// </summary>
+        double CenterCover { get; set; }
+    }
+}