Index: DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs
===================================================================
diff -u -r4540 -r4562
--- DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 4540)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 4562)
@@ -534,6 +534,16 @@
             soil.RRatio = inputSoil.RRatioSpecified ? inputSoil.RRatio : double.NaN;
             soil.StrengthIncreaseExponent = inputSoil.StrengthIncreaseExponentSpecified ? inputSoil.StrengthIncreaseExponent : double.NaN;
             soil.RatioCuPc = inputSoil.RatioCuPcSpecified ? inputSoil.RatioCuPc : double.NaN;
+            if (inputSoil.SigmaTauCurve != null)
+            {
+                soil.SigmaTauCurve = new SigmaTauCurve();
+                for (var j = 0; j < inputSoil.SigmaTauCurve.Length; j++)
+                {
+                    SigmaTauCurveSigmaTauPoint point = inputSoil.SigmaTauCurve[j];
+                    soil.SigmaTauCurve.Points.Add(new SigmaTauPoint(point.Sigma, point.Tau));
+                }
+            }
+
             soils.Add(soil);
         }
     }