#################################################### # # --- Command log file --- # PLAXIS 2D CONNECT Edition Version 22.01 # Tutorial - 05 # Excavation of an NATM tunnel # Note: Use the PLAXIS Commands runner to execute this # #################################################### _initializerectangular SoilContour -50 0 50 35 _setproperties "Title" "Excavation of a NATM tunnel" "Comments" "" "UnitForce" "kN" "UnitLength" "m" "UnitTime" "day" "UnitTemperature" "K" "UnitEnergy" "kJ" "UnitPower" "kW" "WaterWeight" 10 "ReferenceTemperature" 293.15 "LiquidSpecificHeatCapacity" 4181.3 "LiquidThermalConductivity" 0.0006 "LiquidLatentHeat" 334000 "LiquidThermalExpansion" 0.00021 "LiquidTemperature" 293.15 "IceSpecificHeatCapacity" 2108 "IceThermalConductivity" 0.00222 "IceThermalExpansion" 5E-5 "VapourSpecificHeatCapacity" 1930 "VapourThermalConductivity" 2.5E-5 "VapourSpecificGasConstant" 461.5 "UseTemperatureDepWaterPropsTable" False "ModelType" "Plane strain" "ElementType" "15-Noded" _borehole -22 _soillayer 0 _soillayer 0 _soillayer 0 _setsoillayerlevel Borehole_1 0 24 _setsoillayerlevel Borehole_1 1 24 _setsoillayerlevel Borehole_1 2 11 _arrayr Borehole_1 2 8 _setsoillayerlevel Borehole_2 0 30 _setsoillayerlevel Borehole_2 1 30 _arrayr Borehole_2 2 7 _setsoillayerlevel Borehole_3 0 35 _soilmat "Identification" "Top Layer" "SoilModel" "Hardening Soil" "Colour" 15262369 "gammaUnsat" 20 "gammaSat" 22 "E50Ref" 40000 "EOedRef" 40000 "EURRef" 120000 "nuUR" 0.2 "PowerM" 0.5 "cRef" 10 "phi" 30 "UseDefaults" True _soilmat "Identification" "Clay-siltstone" "SoilModel" "Hoek-Brown" "Colour" 10676870 "gammaUnsat" 25 "gammaSat" 25 "Erm" 1000000 "nu" 0.25 "AbsSigmaCI" 25000 "mi" 4 "GSI" 40 "Disturbance" 0.2 "psiMax" 30 "sigmaPsi" 400 "InterfaceStrengthDetermination" "Manual" "Rinter" 0.5 _soilmat "Identification" "Clay - limestone" "SoilModel" "Hoek-Brown" "Colour" 10283244 "gammaUnsat" 24 "gammaSat" 24 "Erm" 2500000 "nu" 0.25 "AbsSigmaCI" 50000 "mi" 10 "GSI" 55 "psiMax" 35 "sigmaPsi" 1000 "InterfaceStrengthDetermination" "Rigid" _set Soil_1.Material TopLayer _set Soil_2.Material Claysiltstone _set Soil_3.Material ClayLimestone _gotostructures _tunnel 0 16 _add Tunnel_1.CrossSection _set Tunnel_1.CrossSection.Segments[0].SegmentType "Arc" _set Tunnel_1.CrossSection.Segments[0].ArcProperties.Radius 10.4 _set Tunnel_1.CrossSection.Segments[0].ArcProperties.CentralAngle 22 _add Tunnel_1.CrossSection _set Tunnel_1.CrossSection.Segments[1].SegmentType "Arc" _set Tunnel_1.CrossSection.Segments[1].ArcProperties.Radius 2.4 _set Tunnel_1.CrossSection.Segments[1].ArcProperties.CentralAngle 47 _add Tunnel_1.CrossSection _set Tunnel_1.CrossSection.Segments[2].SegmentType "Arc" _set Tunnel_1.CrossSection.Segments[2].ArcProperties.Radius 5.8 _set Tunnel_1.CrossSection.Segments[2].ArcProperties.CentralAngle 50 _extendtosymmetryaxis Tunnel_1.CrossSection _symmetricclose Tunnel_1.CrossSection _addsubcurve Tunnel_1.CrossSection _set Tunnel_1.CrossSection.Subsections[0].Offset2 3 _set Tunnel_1.CrossSection.Subsections[0].Segments[0].SegmentType "Arc" _set Tunnel_1.CrossSection.Subsections[0].Segments[0].ArcProperties.Radius 11 _set Tunnel_1.CrossSection.Subsections[0].Segments[0].ArcProperties.CentralAngle 360 _intersectsegments Tunnel_1.CrossSection Tunnel_1.CrossSection.Segments[3] Tunnel_1.CrossSection.Segments[4] Tunnel_1.CrossSection.Segments[5] Tunnel_1.CrossSection.Segments[2] Tunnel_1.CrossSection.Segments[0] Tunnel_1.CrossSection.Segments[7] Tunnel_1.CrossSection.Segments[1] Tunnel_1.CrossSection.Segments[6] Tunnel_1.CrossSection.Subsections[0] _delete Tunnel_1.CrossSection (Tunnel_1.CrossSection.Subsections[1]) _plate (Tunnel_1.SlicePolycurves[0] Tunnel_1.SlicePolycurves[1] Tunnel_1.SlicePolycurves[2] Tunnel_1.SlicePolycurves[3] Tunnel_1.SlicePolycurves[4] Tunnel_1.SlicePolycurves[5] Tunnel_1.SlicePolycurves[6] Tunnel_1.SlicePolycurves[7] Tunnel_1.SlicePolycurves[8] Tunnel_1.SlicePolycurves[9] Tunnel_1.SlicePolycurves[10] Tunnel_1.SlicePolycurves[11]) _platemat "Identification" "Lining" "MaterialType" "Elastic" "Colour" 16711680 "W" 5 "EA1" 6000000 "EI" 20000 "StructNu" 0.15 _set (Tunnel_1.SlicePolycurves[4].Plate.Material Tunnel_1.SlicePolycurves[5].Plate.Material Tunnel_1.SlicePolycurves[0].Plate.Material Tunnel_1.SlicePolycurves[1].Plate.Material Tunnel_1.SlicePolycurves[11].Plate.Material Tunnel_1.SlicePolycurves[10].Plate.Material Tunnel_1.SlicePolycurves[2].Plate.Material Tunnel_1.SlicePolycurves[3].Plate.Material Tunnel_1.SlicePolycurves[6].Plate.Material Tunnel_1.SlicePolycurves[7].Plate.Material Tunnel_1.SlicePolycurves[9].Plate.Material Tunnel_1.SlicePolycurves[8].Plate.Material) Lining _neginterface (Tunnel_1.SlicePolycurves[0] Tunnel_1.SlicePolycurves[1] Tunnel_1.SlicePolycurves[3] Tunnel_1.SlicePolycurves[7] Tunnel_1.SlicePolycurves[9] Tunnel_1.SlicePolycurves[11] Tunnel_1.SlicePolycurves[10] Tunnel_1.SlicePolycurves[8] Tunnel_1.SlicePolycurves[6] Tunnel_1.SlicePolycurves[2]) _generatetunnel Tunnel_1 _mergeequivalents Geometry _gotomesh _mesh 0.06 _gotostages _set InitialPhase.DeformCalcType "Gravity loading" _phase InitialPhase _set Model.CurrentPhase Phase_1 _set Phase_1.Identification "First tunnel excavation" _deactivate (BoreholePolygon_2_1) Phase_1 _set Soil_2_1.Deconfinement Phase_1 60 _phase Phase_1 _set Model.CurrentPhase Phase_2 _set Phase_2.Identification "First (temporary) lining" _activate (Polycurve_2_1 Polycurve_1_1 Polycurve_3_1 Polycurve_4_1 Polycurve_6_1 Polycurve_5_1) Phase_2 _set Soil_2_1.Deconfinement Phase_2 100 _phase Phase_2 _set Model.CurrentPhase Phase_3 _set Phase_3.Identification "Second tunnel excavation" _deactivate (BoreholePolygon_2_3 Polycurve_6_1 Polycurve_5_1) Phase_3 _set Soil_2_3.Deconfinement Phase_3 60 _phase Phase_3 _set Model.CurrentPhase Phase_4 _set Phase_4.Identification "Second (final) lining" _activate (Polycurve_11_1 Polycurve_12_1 Polycurve_9_1 Polycurve_7_1 Polycurve_10_1 Polycurve_8_1) Phase_4 _set Soil_2_3.Deconfinement Phase_4 100 _selectmeshpoints /output addcurvepoint "Node" (-7 35) /output addcurvepoint "Node" (0 26) /output update