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    RFEM 6 icon in 32px size used for header banners, symbolizing the software's branding. Add-on for RFEM 6
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    Show Pricing

    Geotechnical Analysis

    Another useful add-on is Geotechnical Analysis, which allows you to represent soil conditions realistically. It determines the soil to be analyzed in RFEM using the properties from soil samples. This helps you achieve a much higher quality in the structural analysis of buildings.

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    Visual representation of features in Geotechnical Analysis add-on for simulating soil interaction and foundation behavior in RFEM 6. Visual representation of features in Geotechnical Analysis add-on for simulating soil interaction and foundation behavior in RFEM 6.
    • Overview
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    Discover Geotechnical Analysis for RFEM 6

    Another useful add-on, Geotechnical Analysis, allows you to realistically determine the soil conditions. This RFEM add-on uses the properties from soil samples to determine the soil body to be analyzed. You can thus achieve a much higher quality in the structural analysis of structures.

    • Special nonlinear geotechnical material models available for realistic simulation
    • Geological layers can be accurately defined based on subsoil expertise.
    • Soil massif logic enables automatic definition and storage of the soil.
    • Soil-structure interaction can be realistically simulated using the 2D constrained modulus method or as a 3D solid model, also nonlinear.
    • Piles and anchors with nonlinear load-bearing behavior available
    • Compatible with all add-ons for RFEM 6
    • Results, such as settlements, stresses, and elastic foundation coefficients, can be output graphically, in tables, and as diagrams.
    Banner C | Geotechnical Analysis

    Your Advantages

    Direct input of soil boring logs from soil investigations

    Automatic generation of the soil solid, including its layer boundaries from soil boring logs

    Modeling of realistic load-bearing behavior of piles and anchors

    Immediate consideration of the soil-structure interaction

    Use Cases

    The Geotechnical Analysis add-on integrates advanced soil-structure interaction directly in RFEM 6, enabling engineers to perform detailed stability, deformation, and earth pressure analyses based on realistic soil behavior. Typical use cases include:

    Illustration graphics for geotechnical analysis use cases with RFEM 6 add-on, showcasing application in structural engineering projects. Illustration graphics for geotechnical analysis use cases with RFEM 6 add-on, showcasing application in structural engineering projects.
    Slope and Retaining Wall Assessment

    Simulate earth pressures and slope stability to design retaining walls and embankments safely and efficiently.

    Piling and Deep Foundation Modeling

    Model piles and anchors with nonlinear behavior to predict load transfer and optimize foundation systems for buildings and infrastructure.

    Realistic Soil Material Modeling

    Implement site-specific soil layers using Mohr-Coulomb or other nonlinear material models. Capture realistic soil behavior under varying loads for more precise geotechnical analysis.

    Excavation and Basement Support

    Plan temporary or permanent support structures for deep excavations. Analyze soil reactions to avoid excessive deformation or collapse during construction.

    Key Features

    Entry of soil layer data from subsoil investigations using soil samples in engineering software applications.

    Soil Samples

    You can enter the soil layers obtained from subsoil investigations at each location into the program as soil samples. Then assign the identified soil materials, including their material properties, to the corresponding layers.

    Soil Sample Selection

    Soil Massifs

    Use the soil samples as a basis for a definition of the respective soil massif. This way, the program allows for user-friendly generation of the massif, including the automatic determination of the layer interfaces from the sample data, as well as the groundwater level and the boundary surface supports.

    Pile member type in geotechnical software for analyzing resistance parameters such as skin friction and pile peak pressure.

    Member Type "Pile" for Geotechnical Analyses

    In the Geotechnical Analysis add-on, the member of the "Pile" type is available. For the pile, the pile resistance types are created. They define the resistance parameters from the skin friction and the pile peak pressure.

    Show All Features

    Designed with Geotechnical Analysis Add-on for RFEM 6

    A real-world project showcasing safe and reliable design on challenging soil conditions using the Geotechnical Analysis add-on in RFEM 6.

    Logistics Center in Khmelnytskyi

    Geotechnical Analysis played a key role in verifying the concrete base slab on poor soil conditions, ensuring safe load transfer and deformation-free operation of heavy vehicles in a large-span logistics center.

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    Aerial view of the logistics center in Khmelnytskyi showing geotechnical features analyzed in a customer project. Aerial view of the logistics center in Khmelnytskyi showing geotechnical features analyzed in a customer project.
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    Geotechnical Engineering Articles

    Illustration of generating a soil body using soil samples in RFEM 6 with the Geotechnical Analysis add-on.

    Creating Soil Body from Soil Samples in RFEM 6

    Given that the realistic determination of the soil conditions significantly influences the quality of the structural analysis of buildings, the Geotechnical Analysis add-on is offered in RFEM 6 to determine the soil body to be analyzed.

    Results of axial forces in a pile and principal shear stresses in the adjacent soil. Geotechnical analysis with Tschuchnigg resistances.

    Parametric Pile Modeling with Empirical Pile Resistances According to Tschuchnigg

    The article describes the use of global parameters to determine pile resistance depending on soil and cross-section properties according to the empirical method developed by Tschuchnigg.

    View All Articles
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    Frequently Asked Questions

    What types of geotechnical problems can I solve with this add-on?

    The Geotechnical Analysis add-on is highly versatile, allowing you to handle a broad range of soil-structure interaction (SSI) challenges directly within your RFEM 6 model. As highlighted in our Use Cases, it is specifically designed to help you tackle:

    • Deep Foundations: Model piles and anchors with nonlinear behavior to accurately predict load transfer.
    • Retaining Structures & Slopes: Assess slope stability and calculate earth pressures for retaining walls and embankments.
    • Excavations & Basements: Design temporary or permanent support structures for deep excavations to prevent excessive deformation.
    • Complex Soil Behavior: Apply realistic, non-linear soil material models (like Mohr-Coulomb) to accurately predict settlement and soil reactions under varying loads.
    What types of soil material models are included in the add-on?

    To ensure the most realistic modeling of soil solid behavior, RFEM 6 provides several specially adapted material models.

    • Linear Elastic: For standard, simplified geotechnical assessments.
    • Nonlinear Elastic: Incorporates an oedometer stress-strain relation.
    • Modified Mohr-Coulomb: A robust plastic model that accurately describes the transition from the elastic to the plastic range in soils.
    • Modified Hardening Soil: Allows for advanced modeling of soil hardening effects under varying loads.
    • Hoek-Brown: Specifically designed to capture the complex plastic behavior of rock masses.
    Do I still need to export support reactions to design my foundations?

    Not anymore. By performing a fully coupled soil-structure interaction (SSI) analysis within one 3D environment in RFEM 6, your foundation settlements automatically update the superstructure's internal forces. This eliminates manual data transfers and significantly reduces the risk of errors.

    How does your licensing work? Can my team share a license?

    Yes. We use our own secure, cloud-based licensing system. By logging into the Extranet directly on our website, you gain full control and easy management of your floating licenses, available products, and software updates. Your team can easily share access whether they are in the office, working from home, or on the go—without being locked to a single physical computer.

    Can I test the Geotechnical Analysis add-on before making a purchase?

    Yes! We offer a full-featured, 90-day free trial of RFEM 6, which includes full access to the Geotechnical Analysis add-on. This allows you to test the features on your actual projects and see firsthand how it streamlines your workflow before making any commitment.

    90-Day Full Trial Version Download

    How can I consider groundwater-related subsidence in a 3D solid soil massif?

    The changed loads resulting from the difference in weight in the damp and saturated states, and the consideration of buoyancy, can be taken into account relatively easily as solid loads.

    You can find more information here: FAQ section

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    Browse our online manuals on geotechnical analysis anytime to boost your work and support your projects.

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