Fix max spacing of stirrups

DataAccess/DTOs/DTOEntities/BeamShearSectionDTO.cs

@@ -0,0 +1,33 @@
+using Newtonsoft.Json;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs.DTOEntities
+{
+    public class BeamShearSectionDTO : IBeamShearSection
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; }
+        [JsonProperty("Name")]
+        public string? Name { get; set; }
+        [JsonProperty("Shape")]
+        public IShape Shape { get; set; }
+        [JsonProperty("Material")]
+        public IConcreteLibMaterial Material { get; set; }
+        [JsonProperty("CenterCover")]
+        public double CenterCover { get; set; }
+        public BeamShearSectionDTO(Guid id)
+        {
+            Id = id;
+        }
+
+        public object Clone()
+        {
+            return this;
+        }
+    }
+}