Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/Soil.cs
===================================================================
diff -u -r2503 -r2949
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/Soil.cs	(.../Soil.cs)	(revision 2503)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/Soil.cs	(.../Soil.cs)	(revision 2949)
@@ -199,12 +199,12 @@
         /// </summary>
         public DilatancyType? DilatancyType { get; set; } = null;
 
-        /// <summary>
-        /// Gets or sets the strength increase exponent.
-        /// </summary>
-        /// <value>
-        /// The strength increase exponent.
-        /// </value>
+        /// <summary>Gets or sets the RRatio.</summary>
+        /// <value>The RRatio.</value>
+        public double RRatio { get; set; } = double.NaN;
+
+        /// <summary>Gets or sets the strength increase exponent.</summary>
+        /// <value>The strength increase exponent.</value>
         public double StrengthIncreaseExponent { get; set; } = double.NaN;
 
         /// <summary>