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Documentation and Theory Overview

Slide3 is a 3D limit equilibrium slope stability program for evaluating the safety factor of 3D failure surfaces in soil or rock slopes. Groundwater, support, and loading can be included in the analysis. Slide3 analyzes the stability of 3-dimensional slip surfaces using vertical column limit equilibrium methods.

Getting Started

If you are a new user of Slide3, you should begin by completing the Slide3 Tutorial 1 to help familiarize yourself with the software’s main functions.

How to Use this Guide


The Documentation tab helps you to get familiar with program features and provides details on specific tools/functions of the software. This section includes topics like terminology, general features, input data, analysis methods, viewing and display options, and more.

Begin with the Slide3 Overview page for an overview of the program.


The tutorials tab provides easy to follow, step-by-step instructions demonstrating how to use various features of the program and provide guidance for more specific analysis features of Slide3. It is recommended that you go through as many of the tutorials as possible to get acquainted with the many different capabilities of the software.

Begin with the Slide3 - Tutorial 1 for an introduction to basic modelling and data interpretation features

Verification and Theory

The Theory and Verification tab contains a collection of Theory and Verification Manuals for the software. The Verification Examples represent an extensive set of models, from many different sources, which have been used to verify the accuracy of the solutions computed by the program. The Theory Manuals describes the equations used to calculate the factor of safety as well as the theories behind the failure mechanisms of each analysis method.

Technical Support

For technical support on any aspect of the program not covered in the documentation please contact us using the Support Form.

Note: As of version 3.011, Slide3 uses a different SQL database format. Older versions of Slide3 will NOT be able to read this format. This breaks forward compatibility in any of its products. To read this file, you must install the latest update from the Rocscience website.
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