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SSAP2010

(SLOPE STABILITY ANALYSIS PROGRAM)

Version 6.1 (2026) - Win 64 Bit

(22-04-2026) - BUILD n. 15637

Entirely Freeware Software
Entirely free use
for Privates, Engineers, Geologists, Students
Â and Public Officers (see license of use )

SSAP2010 is a complete freeware software for verifying the stability of natural and artificial slopes or with reinforcement elements.Â It is an advanced tool, developed in more than 35 years of work. SSAP provides users with a set of original tools to carry out in-depth stability checks using only rigorous calculation methods based on Limit Equilibrium and Innovative Engines for generating and searching for surfaces with the lowest Safety Factor (Fs). A Windows WIN 11 GUI and a set of software tools for slope model assembly, graphical visualization and reporting (general features of the program ).

SSAP Project Synthetic Description and GoalsÂ (HERE)

Information on SSAP Courses Â Â microsoft office professional plus 2013 portable 2021

3 e 4 novembre 2025Â - Massa (MC) (ITALY). Corso Base Impiego di SSAP (Slope Stability Analysis Program, versione 6.0 -2025, FREEWARE)Â - Corso con crediti APC - Organizzato da Fondazione dei Geologi Della Toscana. Vedi qui programma e dati per iscrizione

6 e 7 novembre 2025Â - Mattarello(Trento) Corso Base Impiego di SSAP (Slope Stability Analysis Program, versione 6.0 -2025, FREEWARE)Â - Corso con crediti APC - Organizzato da AGATAS Aps . Vedi qui programma e dati per iscrizione

Â All courses already carried out in 2014-2025 at professional associationsÂ have been (and will be) authorized according to the APC regulations in force in the respective year
(For the complete list of previous courses go toÂ the Courses page on SSAP )
Â Â

DXF graph (autocad compatible) of the 10 surfaces with minor FS identified through
a check launched with SSAP (note the non-circularity of the critical surfaces).
[ Right-click with mouse on the image to activate the display of the image in a separate window with maximum resolution ]

Presentations on SSAP in invited seminars or in international publications:

Since these are unofficial repackages, they do not receive security patches from Microsoft. Using a 2013 version in 2021 means you are missing years of critical updates against macro-based viruses.

If you need the functionality of Office 2013 without the installation headache or the security risks of "portable" versions, consider these legitimate options:

Office 2013 was designed for older hardware. For users with budget laptops or aging PCs, it runs significantly faster than the resource-heavy 2021 or 365 versions.

Distributing and using modified versions of Microsoft software violates licensing agreements and intellectual property laws. Safe Alternatives to Portable Office 2013

Most portable Office files found online are hosted on third-party "warez" sites. These files are frequently injected with keyloggers, miners, or trojans.

SSAP2010 is a software made entirely in Object Pascal language
and exclusively with Freeware tools for programming, debugging and code profiling:

Compilatore Object Pascal 64bit FreePascalÂ 3.2.2 Â Â Â	Integrated developing enviroment Lazarus 4.4
Graphical Rendering by GNUPLOT 6.0.4	Debugging byÂ GNU DEBUGGER
Code Profiling by VTune Amplifier	My PC

Distribution of internal forces and pressures relative to the surface with identified Minor Fs

The history of SSAP 2010

SSAP2010 is the result of a long development work started in 1990 which saw the collaboration of many users who have made a notable contribution through constructive criticisms and suggestions. This version is the direct evolution of the first version of the SSAP code starting from 1991, culminating with version 3.0 (SSAP2006) of December 2006.Â From version 4.0 (SSAP2010) , December 2010, the SSAP software is available as entirely freeware software ( that is free and of free use ..).
Version 4.0 of SSAP2010 was an important milestone in the development of this software. It was the first version completely free to use for all those who, for study and work reasons, are interested in carrying out slope stability checks with rigorous limit equilibrium calculation methods., for natural and artificial slopes and / or with reinforcement works such as (reinforced earth, piling, tie rods, anchored adrenza nets, gabions).
Version 5.2 of SSAP 2010 has been a major release, with extended technical documentation, freely available to all Users.
The current version 6.1Â remains freeware, entirely free to use, in continuous development. It is expected that on average every 3 months a new update will appear.

SSAP2010 command consoleÂ

The continuous evolution of the program was guided by the aim of creating a professional tool with a high technical level and easy accessibility to the widest possible range of users. The continuous work of development, testing and verification of the fundamental and original algorithms that constitute the heart of the program has made it possible to create a new version (version 6.0)Â with new important features andequipped with a graphic interface that simplifies the use for users.

SSAP2010 graphical interface: options for checking stability

SSAP2010 is characterized by a code that allows an optimized operation for space and speed in the Windows WIN 11 (64 bit) environment and by an easy-to-use graphic interface. This optimization work was aimed at creating a more reliable and faster software to guarantee the best standards to designers, technicians and researchers.

microsoft office professional plus 2013 portable 2021
SSAP2010 graphic interface: aquifer and piezometric control and management

SSAP2010 graphical interface: additional options for stability checks

SSAP2010 graphical interface: control of geometric parameters
and definition of surface search areas with lower Fs

SSAP2010 is FREEWARE software , i.e. distributed free of charge only via the web: HTTPS://WWW.SSAP.EU .

There is only one complete version of the SSAP2010 software and it is the one available for free and downloadable from the official website.
The SSAP2010 user license allows users unlimited use of the software with the ability to download all future updates from the web. Re-distribution is not allowed.
SSAP20010 software is not commercial software . Its distribution is non-profit . However, even though SSAP2010 is freeware, it is not OPEN-SOURCE software. In fact, the source code remains in the exclusive availability of the Author only. (see the SSAP user license )