PLAXIS 2D 2D/2016.1.21797.5460/files/manuals/english... · PLAXIS 2D 2016 Contents General information…

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  • PLAXIS 2D 2016

    Contents

    General information

    Part 1: Tutorial Manual

    Part 2: Reference Manual

    Part 3: Material Models Manual

    Part 4: Scientific Manual

    Website: www.plaxis.nl

    http://www.plaxis.nlGeneral informationPrefacePLAXIS products and servicesShort review of featuresInstallationTroubleshootingTutorial Manual1 Settlement of a circular footing on sand1.1 Geometry1.2 Case A: Rigid footing1.3 Case B: Flexible footing2 Submerged construction of an excavation2.1 Input2.2 Mesh generation2.3 Calculations2.4 Results3 Dry excavation using a tie back wall3.1 Input3.2 Mesh generation3.3 Calculations3.4 Results4 Construction of a road embankment4.1 Input4.2 Mesh generation4.3 Calculations4.4 Results4.5 Safety analysis4.6 Using drains4.7 Updated mesh + Updated water pressures analysis5 Settlements due to tunnel construction5.1 Input5.2 Mesh generation5.3 Calculations5.4 Results6 Excavation of an NATM tunnel6.1 Input6.2 Mesh generation6.3 Calculations6.4 Results7 Stability of dam under rapid drawdown7.1 Input7.2 Mesh generation7.3 Calculation7.4 Results8 Dry excavation using a tie back wall - ULS8.1 Input8.2 Calculations8.3 Results9 Flow through an embankment9.1 Input9.2 Mesh generation9.3 Calculations9.4 Results10 Flow around a sheet pile wall10.1 Input10.2 Mesh generation10.3 Calculations10.4 Results11 Potato field moisture content11.1 Input11.2 Mesh generation11.3 Calculations11.4 Results12 Dynamic analysis of a generator on an elastic foundation12.1 Input12.2 Mesh generation12.3 Calculations12.4 Results13 Pile driving13.1 Input13.2 Mesh generation13.3 Calculations13.4 Results14 Free vibration and earthquake analysis of a building14.1 Input14.2 Mesh generation14.3 Calculations14.4 Results15 Thermal expansion of a navigable lock15.1 Input15.2 Mesh generation15.3 Calculations15.4 Results16 Freeze pipes in tunnel construction16.1 Input16.2 Mesh generation16.3 Calculations16.4 ResultsAppendix A - Menu treeReference Manual1 Introduction2 General information2.1 Units and sign conventions2.2 File handling2.3 Help facilities3 Input program - General overview3.1 Starting the Input program3.1.1 New project3.1.2 Existing project3.1.3 Packing a project3.2 Layout of the Input program3.3 Menus in the Menu bar3.3.1 File menu3.3.2 Edit menu3.3.3 Soil menu3.3.4 Structures menu3.3.5 Mesh menu3.3.6 Flow conditions menu3.3.7 Phases menu3.3.8 Options menu3.3.9 Expert menu3.3.10 Help menu3.4 Input program structure - Modes3.4.1 Geometry modes3.4.2 Calculation modes3.5 Model in the draw area3.5.1 Supporting tools3.5.2 Model view - Zooming3.5.3 Selecting geometry components3.6 General information on command line3.6.1 Indexing in commands3.7 Explorers3.7.1 Model explorer3.7.2 Selection explorer3.7.3 Phases explorer4 Ground modelling - Soil mode4.1 Adjustment of the soil contour4.2 Creating boreholes4.2.1 Creating new boreholes4.2.2 Editing boreholes4.3 Soil layers4.3.1 Creating soil layers in boreholes4.3.2 Defining water conditions4.3.3 Initial conditions of soil4.3.4 Generating soil stratigraphy from CPT logs5 Modelling loads and structures - Structures mode5.1 Assisting tools5.1.1 Selecting geometry components5.1.2 Move object5.1.3 Copy object - Array5.2 Geometric entities5.2.1 Points5.2.2 Lines5.2.3 Polygons5.2.4 Advanced geometric modelling options5.3 Loads5.3.1 Point load5.3.2 Line load5.4 Prescribed Displacements5.4.1 Point prescribed displacement5.4.2 Distributed prescribed displacement5.4.3 Line contraction5.5 Dynamic loading5.5.1 Definition of multipliers5.5.2 Harmonic signal5.5.3 Signal from table5.6 Structural elements5.6.1 Fixed-end anchors5.6.2 Node-to-node anchors5.6.3 Embedded beam rows5.6.4 Plates5.6.5 Geogrids5.6.6 Interfaces5.6.7 Connections5.7 Tunnels5.7.1 Tunnel designer5.7.2 Definition of tunnel cross section geometry5.7.3 Import tunnel geometry5.7.4 Properties5.8 Design approaches5.8.1 Definition of design approaches5.8.2 Definition of partial factors for loads5.8.3 Definition of partial factors for materials5.9 Hydraulic conditions5.9.1 Well5.9.2 Drain5.9.3 Groundwater flow boundary conditions5.10 Thermal conditions5.10.1 Thermal flow boundary conditions5.11 Flow functions5.11.1 Harmonic5.11.2 Signal from table5.11.3 Linear5.11.4 Flow functions in consecutive phases5.12 Thermal functions5.12.1 Harmonic5.12.2 Signal from table5.12.3 Linear5.13 Importing geometry6 Material properties and material database6.1 Modelling soil and interface behaviour6.1.1 General tabsheet6.1.2 Parameters tabsheet6.1.3 Groundwater tabsheet6.1.4 Thermal tabsheet6.1.5 Interfaces tabsheet6.1.6 Initial tabsheet6.2 Modelling undrained behaviour6.2.1 Undrained (A)6.2.2 Undrained (B)6.2.3 Undrained (C)6.3 Simulation of soil lab tests6.3.1 Triaxial test6.3.2 Oedometer6.3.3 CRS6.3.4 DSS6.3.5 CDSS6.3.6 General6.3.7 Results6.3.8 Parameter optimisation6.4 Material data sets for plates6.4.1 Material set6.4.2 Mechanical properties6.4.3 Thermal properties6.5 Material data sets for geogrids6.5.1 Material set6.5.2 Mechanical properties6.5.3 Thermal properties6.6 Material data sets for embedded beam rows6.6.1 Material set6.6.2 Beam properties6.6.3 Interaction properties (bearing capacity)6.6.4 Interface stiffness factor6.7 Material data sets for anchors6.7.1 Material set6.7.2 Mechanical properties6.7.3 Thermal properties6.8 Assigning material data sets to geometry components7 Meshing and calculations7.1 Mesh generation - Mesh mode7.1.1 Global settings7.1.2 Local refinement7.1.3 Enhanced mesh refinement7.2 Defining calculation phases7.2.1 Phases explorer7.2.2 Order of calculation phases7.2.3 Phases window7.3 Types of analysis7.3.1 Initial stress generation7.3.2 Plastic calculation7.3.3 Consolidation calculation7.3.4 Fully coupled flow-deformation analysis7.3.5 Safety calculation (phi/c reduction)7.3.6 Dynamic calculation7.3.7 Plastic nil-step7.3.8 Updated mesh analysis7.4 Loading type7.4.1 Staged construction7.4.2 Minimum excess pore pressure7.4.3 Degree of consolidation7.4.4 Target SumMsf7.4.5 Incremental multipliers7.5 Water pressure calculation7.5.1 Calculation type7.5.2 Global water level7.6 Temperature calculation7.6.1 Calculation type7.6.2 Coupled analysis7.7 Load stepping procedures7.7.1 Automatic step size procedure7.7.2 Load advancement - Ultimate level7.7.3 Load advancement - Number of steps7.7.4 Automatic time stepping (consolidation or fully coupled analysis)7.7.5 Automatic time stepping (dynamics)7.8 Calculation control parameters7.8.1 General phase parameters7.8.2 Deformation control parameters7.8.3 Numerical control parameters7.8.4 Flow control parameters7.8.5 Dynamic control parameters7.8.6 Reached values7.9 Flow conditions7.9.1 Water levels7.9.2 Assigning water conditions to soil volumes7.9.3 Water pressure generation and previewing7.9.4 Flow boundary conditions7.9.5 Precipitation7.9.6 Climate7.10 Geometry configuration - Staged Construction mode7.10.1 Changing geometry configuration7.10.2 Staged construction procedure in calculations7.10.3 Changing loads7.10.4 Connections in Staged construction7.10.5 Changing prescribed displacements7.10.6 Reassigning material data sets7.10.7 Applying volumetric strains in clusters7.10.8 Prestressing of anchors7.10.9 Model conditions7.11 Calculation using design approaches7.12 Starting a calculation7.12.1 Previewing a construction stage7.12.2 Selecting points for curves7.12.3 Execution of the calculation process7.12.4 Aborting a calculation7.12.5 Output during calculations7.12.6 Selecting calculation phases for output7.12.7 Adjustment to input data in between calculations7.12.8 Automatic error checks8 Output program - General overview8.1 Layout of the output program8.2 Menus in the Menu bar8.2.1 File menu8.2.2 View menu8.2.3 Project menu8.2.4 Geometry menu8.2.5 Mesh menu8.2.6 Deformations menu8.2.7 Stresses menu8.2.8 Forces menu8.2.9 Tools menu8.2.10 Expert menu8.2.11 Window menu8.2.12 Help menu8.3 General information on command line8.3.1 Indexing in commands8.4 Tools in the Output program8.4.1 Accessing the Output program8.4.2 Exporting output data8.4.3 Curves manager8.4.4 Store the view for reports8.4.5 Zooming the plot8.4.6 Relocation of the plot8.4.7 Scaling the displayed results8.4.8 Tables8.4.9 Selection of results8.4.10 Display type of results8.4.11 Select structures8.4.12 Partial geometry8.4.13 Viewing results in cross sections8.4.14 Plot annotations8.4.15 Miscellaneous tools8.5 Display area8.5.1 Legend8.5.2 Modifying the display settings8.6 Views in Output8.6.1 Model view8.6.2 Structures view8.6.3 Cross section view8.6.4 Forces view8.7 Report generation8.7.1 Configuration of the document8.8 Creating animations9 Results available in Output program9.1 Connectivity plot9.2 Deformations9.2.1 Deformed mesh9.2.2 Total displacements9.2.3 Phase displacements9.2.4 Sum phase displacements9.2.5 Incremental displacements9.2.6 Extreme total displacements9.2.7 Velocities9.2.8 Accelerations9.2.9 Accelerations in g 9.2.10 Total cartesian strains9.2.11 Phase cartesian strains9.2.12 Incremental cartesian strains9.2.13 Total strains9.2.14 Phase strains9.2.15 Incremental strains9.3 Stresses9.3.1 Cartesian effective stresses9.3.2 Cartesian total stresses9.3.3 Principal effective stresses9.3.4 Principal total stresses9.3.5 State parameters9.3.6 Pore pressures9.3.7 Groundwater flow9.3.8 Heat flow9.3.9 Plastic points9.3.10 Fixed end anchors9.3.11 Node to node anchors9.3.12 Wells9.3.13 Drains9.4 Structures and interfaces9.4.1 Deformation in structures and interfaces9.4.2 Resulting forces in plates9.4.3 Resulting forces in geogrids9.4.4 Resulting forces in embedded beam rows9.4.5 Resulting force in anchors9.4.6 Resulting stresses in interfaces9.4.7 Results in connections9.4.8 Structural forces in volumes10 Curves10.1 Selecting points for curves10.1.1 Mesh point selection10.1.2 Pre-calculation points10.1.3 Post-calculation points10.2 Generating curves10.2.1 Load-displacement curves10.2.2 Force-displacement curves10.2.3 Displacement-time or force-time curves10.2.4 Stress a