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PLAXIS 2D: Stability Analysis of Cantilever Retaining Wall
Rating: 4.4 out of 5(37 ratings)
144 students
Created byNichirvan Taher
Last updated 5/2025
English

What you'll learn

  • Model and analyze cantilever retaining walls using PLAXIS 2D with real-world geotechnical input.
  • Accurately calculate lateral earth pressure behind retaining walls using both theoretical and numerical methods
  • Define and assign appropriate soil and structural material models for realistic retaining wall simulations.
  • Interpret results such as deformation, bending moment, shear force, and safety factor to evaluate wall stability

Course content

2 sections • 10 lectures • 1h 33m total length

  • Introduction4:24
  • Defining Soil Stratigraphy & Deformation boundary conditions7:46

    Define soil stratigraphy in Plexus 2D using boreholes and slope geometry, set up project coordinates and water table, and apply deformation boundary conditions with fixed bottom and free top.

  • Defining Soil Properties Using Mohr-Coulomb Model7:41
  • Geometry and Modelling of Cantilever Retaining Wall10:15
  • Material Models for Retaining Wall5:21
  • Define Interface, Applying Surcharge Load and Generate Mesh5:20

    Define the interface between the retaining wall and surrounding soil, then apply a surcharge load. Generate mesh using coarse to very fine options and adjust refinement with the coarseness factor.

  • Construction Staging of Retaining Wall in PLAXIS 2D17:40
  • Result Interpretation – Factor of Safety, Displacement, Forces19:53
  • Comparison between Numerical Results with Theoretical Equations6:07

    Compare numerical results from Plaxis 2D stability analysis with theoretical lateral earth pressure calculations for a cantilever retaining wall, using ranking active earth pressure method and the coefficient k_a.

Requirements

  • Basic understanding of geotechnical engineering principles.
  • Familiarity with retaining wall concepts and soil mechanics.
  • PLAXIS 2D software installed (student or commercial version).
  • No prior experience with PLAXIS is required—everything will be taught step by step.

Description

Are you looking to master the stability analysis of cantilever retaining walls using PLAXIS 2D? This comprehensive course is designed for civil and geotechnical engineers, researchers, and students who want to gain practical skills in soil-structure interaction and numerical modeling.

In this course, you will learn step-by-step how to model and analyze cantilever retaining walls in PLAXIS 2D using realistic soil parameters and structural properties. You will start with the basics of setting up the geometry, assigning appropriate soil models, defining wall properties, and applying loads and boundary conditions.

The course covers a wide range of critical topics, including:

  • Calculating lateral earth pressure behind the wall

  • Evaluating deformation and displacement of the wall and surrounding soil

  • Extracting internal forces like bending moment and shear force

  • Applying the strength reduction method to calculate the global safety factor

  • Interpreting stress distribution and failure mechanisms

Each tutorial is designed with clarity and practical relevance, helping you build confidence even if you have no prior experience with PLAXIS. Whether you're preparing for a real-world project, advancing your academic research, or aiming to improve your design skills, this course will guide you through the complete analysis process.

By the end of this course, you will be able to perform stability checks, validate designs, and interpret PLAXIS 2D results like a professional.

No previous PLAXIS knowledge is required. Just bring your engineering curiosity and get started today!

Who this course is for:

  • Civil and geotechnical engineering students interested in practical design and analysis.
  • Geotechnical engineers seeking to enhance their skills in PLAXIS 2D for retaining wall stability.
  • Researchers working on soil-structure interaction or earth-retaining structures.
  • Professionals involved in designing or evaluating cantilever retaining walls in real-world projects.

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