Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs
===================================================================
diff -u -r4262 -r4538
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs	(.../CsvImporterSoils.cs)	(revision 4262)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterSoils.cs	(.../CsvImporterSoils.cs)	(revision 4538)
@@ -82,6 +82,7 @@
                 int colIndexRatioSuPc = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.RatioSuPcColumnName);
                 int colIndexUsePop = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.UsePopColumnName);
                 int colIndexPop = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.PopColumnName);
+                int colIndexSigmaTauCurveName = CsvReaderUtilities.GetHeaderIndexByString(headers, CsvColumnNames.SigmaTauCurveNameColumnName);
 
                 while (csv.ReadNextRecord())
                 {
@@ -121,6 +122,12 @@
                             soil.UsePop = Convert.ToBoolean(csv[currentColIndex]);
                         }
 
+                        if (colIndexSigmaTauCurveName > -1)
+                        {
+                            currentColIndex = colIndexSigmaTauCurveName;
+                            soil.SigmaTauCurveName = csv[currentColIndex];
+                        }
+
                         soil.Pop = FetchOptionalColumn(colIndexPop, csv);
 
                         ImportedItems.Add(soil);
@@ -175,6 +182,7 @@
         public double? DiameterD70 { get; set; }
         public double? PermeabilityX { get; set; }
         public ShearStrengthModel ShearStrengthModel { get; set; }
+        public string SigmaTauCurveName { get; set; } = "";
         public double? StrengthIncreaseExponent { get; set; }
         public double? RatioSuPc { get; set; }
         public bool UsePop { get; set; }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj
===================================================================
diff -u -r4512 -r4538
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 4512)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/Deltares.Dam.Tests.csproj	(.../Deltares.Dam.Tests.csproj)	(revision 4538)
@@ -1209,6 +1209,9 @@
         <None Update="TestData\HHNKShapeFiles\LocationID.shp.xml">
           <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </None>
+        <None Update="TestData\CSVData\Full2DProject\csvfiles\soils.csv">
+          <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\..\DamClientsLibrary\Deltares.Dam.Data\Deltares.Dam.Data.csproj"/>
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs
===================================================================
diff -u -r4341 -r4538
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs	(.../CsvImporterTestsNew.cs)	(revision 4341)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTestsNew.cs	(.../CsvImporterTestsNew.cs)	(revision 4538)
@@ -769,6 +769,7 @@
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
         Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
+        Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo(""));
 
         soilRecord = soilRecords[1];
         Assert.That(soilRecord.SoilName, Is.EqualTo("Klei"));
@@ -780,11 +781,12 @@
         Assert.That(soilRecord.FrictionAngle, Is.EqualTo(18.500));
         Assert.That(soilRecord.DiameterD70, Is.EqualTo(210.00));
         Assert.That(soilRecord.PermeabilityX, Is.EqualTo(0.001));
-        Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo(ShearStrengthModel.CPhi));
+        Assert.That(soilRecord.ShearStrengthModel, Is.EqualTo(ShearStrengthModel.StressTable));
         Assert.That(soilRecord.StrengthIncreaseExponent, Is.EqualTo(0.700));
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
         Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
+        Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo("CurveKlei"));
 
         soilRecord = soilRecords[2];
         Assert.That(soilRecord.SoilName, Is.EqualTo("Veen"));
@@ -801,6 +803,7 @@
         Assert.That(soilRecord.RatioSuPc, Is.EqualTo(0.220));
         Assert.That(soilRecord.UsePop, Is.False);
         Assert.That(soilRecord.Pop, Is.EqualTo(10.000));
+        Assert.That(soilRecord.SigmaTauCurveName, Is.EqualTo(""));
     }
 
     [Test]
@@ -913,10 +916,10 @@
     private static void CreateFullSoilsFile(string filePath)
     {
         using StreamWriter writer = File.CreateText(filePath);
-        writer.WriteLine("soil_name;soil_color;soil_type;saturated_unit_weight;unsaturated_unit_weight;cohesion;friction_angle;diameter_d70;permeability_x;shear_strength_model;strength_increase_exponent;ratio_su_pc;use_pop;pop");
-        writer.WriteLine("Zand;#A6EBFC;Sand;20.000;18.000;0.000;30.000;210.00;0.001;CPhi;0.700;0.220;False;10.000");
-        writer.WriteLine("Klei;#FFFFFF;Clay;17.500;17.500;3.500;18.500;210.00;0.001;CPhi;0.700;0.220;False;10.000");
-        writer.WriteLine("Veen;#A4FFA6;Peat;11.000;11.000;2.000;20.500;210.00;0.001;CuCalculated;0.700;0.220;False;10.000");
+        writer.WriteLine("soil_name;soil_color;soil_type;saturated_unit_weight;unsaturated_unit_weight;cohesion;friction_angle;diameter_d70;permeability_x;shear_strength_model;strength_increase_exponent;ratio_su_pc;use_pop;pop;sigma_tau_curve_name");
+        writer.WriteLine("Zand;#A6EBFC;Sand;20.000;18.000;0.000;30.000;210.00;0.001;CPhi;0.700;0.220;False;10.000;");
+        writer.WriteLine("Klei;#FFFFFF;Clay;17.500;17.500;3.500;18.500;210.00;0.001;SigmaTauCurve;0.700;0.220;False;10.000;CurveKlei");
+        writer.WriteLine("Veen;#A4FFA6;Peat;11.000;11.000;2.000;20.500;210.00;0.001;CuCalculated;0.700;0.220;False;10.000;");
     }
 
     private static void CreateMinimalSoilsFile(string filePath)
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/ConversionHelper.cs
===================================================================
diff -u -r4419 -r4538
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 4419)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 4538)
@@ -1290,11 +1290,14 @@
             },
             {
                 "CuCalculated", ShearStrengthModel.CuCalculated
+            },
+            {
+                "SigmaTauCurve", ShearStrengthModel.StressTable
             }
         };
-        if ((shearStrengthModel != "CPhi") && (shearStrengthModel != "CuCalculated"))
+        if ((shearStrengthModel != "CPhi") && (shearStrengthModel != "CuCalculated") && (shearStrengthModel != "SigmaTauCurve"))
         {
-            throw new NotImplementedException();
+            throw new NotImplementedException(String.Format("Unknown Shearstrength Model '{0}' ", [shearStrengthModel]));
         }
         return translationTable[shearStrengthModel];
     }    
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs
===================================================================
diff -u -r4178 -r4538
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs	(.../CsvColumnNames.cs)	(revision 4178)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Importers/CsvColumnNames.cs	(.../CsvColumnNames.cs)	(revision 4538)
@@ -424,6 +424,11 @@
     ///     shear_strength_model
     /// </summary>
     public const string ShearStrengthModelColumnName = "shear_strength_model";
+    
+    /// <summary>
+    /// The sigma tau curve name
+    /// </summary>
+    public const string SigmaTauCurveNameColumnName = "sigma_tau_curve_name";
 
     /// <summary>
     ///     strength_increase_exponent