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The PLAXIS 2D program is a special purpose two-dimensional finite element program used to perform deformation and stability analysis for various types of geotechnical applications. Real situations may be modelled either by a plane strain or an axisymmetric model. The program uses a convenient graphical user interface that enables users to quickly generate a geometry model and finite element mesh based on a representative vertical cross section of the situation at hand. Users need to be familiar with the Windows environment. To obtain a quick working knowledge of the main features of the PLAXIS program, users should work through the example problems contained in the Tutorial Manual | PLAXIS 2D Reference Manual 2011 Build 5167 TABLE OF CONTENTS TABLE OF CONTENTS 1 Introduction 9 2 General information 11 2.1 Units and sign conventions 11 2.2 File handling 13 2.3 Help facilities 13 3 Input program - General overview 15 3.1 Starting the Input program 15 3.1.1 New project 16 3.1.2 Existing project 20 3.1.3 Importing a geometry 20 3.1.4 Packing a project 21 3.2 Layout of the Input program 23 3.3 Menus in the Menu bar 25 3.3.1 File menu 25 3.3.2 Edit menu 25 3.3.3 View menu 26 3.3.4 Geometry menu 26 3.3.5 Loads menu 27 3.3.6 Materials menu 28 3.3.7 Mesh menu 28 3.3.8 Help menu 28 3.4 Geometry 28 3.4.1 Points and lines 29 3.4.2 Plates 30 3.4.3 Geogrids 31 3.4.4 Interfaces 32 3.4.5 Node-to-node anchors 35 3.4.6 Fixed-end anchors 36 3.4.7 Tunnels 36 3.4.8 Hinges and rotation springs 40 3.4.9 Drains 42 3.4.10 Wells 42 3.5 Loads and boundary conditions 42 3.5.1 Standard fixities 43 3.5.2 Standard earthquake boundaries 43 3.5.3 Standard absorbent boundaries dynamics 43 3.5.4 Set dynamic load system 43 3.5.5 Fixities 44 3.5.6 Rotation fixities plates 44 3.5.7 Absorbent boundaries 44 3.5.8 Prescribed displacements 45 3.5.9 Distributed loads 46 3.5.10 Point loads 47 3.5.11 Bending moments 48 3.6 Design approaches 49 PLAXIS 2D 2011 Reference Manual
