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    Global FEM Online Workshop Series 2025 Piled Raft Foundations: Comparative Approaches and Soil Structure Interaction​

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    AI Summary
    • Explores various numerical approaches for modeling piled raft foundations and their impact on soil–structure interaction.
    • Explains load-sharing mechanisms between raft and piles and how they influence settlement and design outcomes.
    • Compares modeling techniques to clarify when each method should be applied in practice.
    • Connects modeling decisions to coordination with structural teams and overall project efficiency.
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    Webinar Slides

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    What You'll Take Away

    Conceptual clarity on load-sharing mechanisms between raft and piles, and how they influence settlement and design

    A clear understanding of multiple approaches to model piled raft foundations

    ​A summary guide/checklist for modeling piled rafts, and improved coordination with structural engineers​

    Description

    Piled raft foundations are increasingly adopted in modern geotechnical engineering for their cost-effectiveness and ability to reduce differential settlements. However, their performance is highly dependent on how accurately the soil–structure interaction is modeled. This webinar aims to explore and compare various numerical approaches to modeling piled raft foundations. ​

    Join us to learn how various modeling techniques can govern the interaction of piles with soil.

     

    Who Should Attend

    • Geotechnical and Structural Engineers who are involved in foundation design.​

    • Consultants working on high-rise buildings and bridges​

    • Researchers and Academics focusing on foundation systems and numerical simulation of soil structure interaction.

    • Project Managers and Technical Leads who want to understand modeling decisions and their impact on design outcomes and project efficiency.

     

    Why Should Join 

    • Understand the full spectrum of modeling approaches​
    • Gain clarity on when to use each method​
    • Improve communication with structural teams and clients by understanding the influence of foundation modeling choices on settlement, load sharing, and overall building performance.​
    • Gain practical insights and modeling tips directly applicable to real-world projects​

       

     

    Related MIDAS Software

    Speaker

    Harsha Tadavarthi Geotechnical Team Leader & Technical Manager MIDAS IT Australia
    Harsha Tadavarthi is the Technical Manager for the Oceania region at MIDAS IT, with over 8 years of experience in geotechnical engineering. He specializes in advanced numerical modeling and provides expert support for geotechnical and structural analysis across dams, hydropower, underground, mining, and other critical infrastructure projects. Harsha's expertise also includes thermal and seismic simulation of dams, as well as the design and analysis of complex geotechnical systems. He leads the seamless delivery of solutions in dam engineering, ensuring industry-leading support and innovation in geotechnical modeling. Through consultancy, training, and international workshops, he empowers professionals with both practical insights and theoretical foundations in geotechnical and structural modeling, fostering excellence across the engineering community.
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    FAQs

    Tech Q1. Can data from other structural software be exported directly to GTS NX? Expand or Collapse

    A. Yes, it can be exported to GTS NX via 'Load Excel Export/Import' function in GTS NX

    Tech Q2. How are resulting "structural" forces in volumetric piles obtained. Is there an option to automatically integrate stresses in a volume to obtain N, M and Q? Expand or Collapse
    A. MIDAS GTS NX has 3 options namely 'Virtual beam', 'Gauging Shell', and 'Local Direction Force Sum' methods to determine the Axial Force, Shear forces, and Bending moment from volumetric elements.
    Tech Q3. Can the software determine the point of failure under increasing load? Expand or Collapse
    A. Yes, this is possible by running a stress analysis with multiple load steps. As the applied load increases, the model response will eventually begin to diverge, indicating failure. The point just before non-convergence can be identified as the failure point.
    Tech Q4. The thicnkess of pile interface is equal to D=Diameter of pile or 3.14xD=circumference? Expand or Collapse
    A. Yes. It can be that value. But in general, this thickness value is directly connected with the calculation of Ultimate Shear force. In general, Ultimate Shear Force = Ultimate Shaft Resistance/(length of the pile*Pile thickness) In this model, I have considered the pile thickness as 1m. So, if you inputted the pile thickness as the circumference, then ultimate shear force value need to be updated accordingly.
    Tech Q5. How to model pile element according to a pile load test? Expand or Collapse
    A. The detailed procedure is given in the help manual and is as follows, For example, if a load of 1000kN was found before failure from the pile loading test and the pile length was 10m, the Ultimate shear force is [1000kN/10m/1m] = 100kN/m2. Here, the 1m is the unit length of the input pile element thickness. The Shear stiffness modulus is the slope of the linear section on the relationship graph with relative displacement until the 1000kN load is applied. If we assume that the relative displacement at 1000kN is 0.01m, the Shear stiffness modulus becomes [100kN/m2 / 0.01m] = 10000kN/m3.
    General Q1. Is this training program free of charge? Expand or Collapse
    A. Yes! The Global Geotechnical Webinar Series 2025 is completely free of charge. Once registered, you’ll get access to all live and on-demand sessions, expert talks, hands-on tasks, and learning materials — at no cost.
    General Q2. How do I get the training license? Expand or Collapse
    A. Trial licenses for GTS NX and FEA NX are provided only to registered participants. You can find free trial information in the register confirmation email. If you can't find in your inbox, please contact us via the below link :
    🔗 Click
    General Q3. Where can I get the assignment files and how should I submit them? Expand or Collapse
    A. You can download the assignment files from the button at the top of the page labeled [Assignment (Model & Tutorial)], and they will also be sent via email after the webinar ends.Once completed, please submit your assignments through the form link below.
    General Q4. How can I ask a question to MIDAS experts? Expand or Collapse
    A. Please submit your question using the form below. One of our technical experts/regional manager will get back to you shortly.
    🔗 Submit Your Inquiry(Assignment/Technical)
    🔗 Submit Your Inquiry (Product/Purchase)
    General Q5. How can I receive the certificate of completion? Expand or Collapse
    A. To be eligible for the certificate, please make sure to:
    ✅ Attend at least 2 live sessions
    ✅ Submit 2 or more assignments by October 8
    Certificates will be emailed to qualified participants on October 15, 2025.