<img height="1" width="1" style="display:none;" alt="" src="https://px.ads.linkedin.com/collect/?pid=5954820&amp;fmt=gif">
Would you like to sign out?
Cancel OK

    Ongoing Registration In Progress Closed
    Sri Lanka Exclusive Webinar
    Engineering Case Study   •   Design Challenges   •   Practical Insights
     
     
    Know Your Territory : Sri Lanka Edition
    Case Study on the Structural Behavior of Long-Span Prestressed Portal Frame Bridge Piers
    📅 31st August, 2026 (Monday)    |    🕒 3:00 PM – 4:30 PM (IST)    |    📍 Live on GoToWebinar
    Register Now →
       
    📝 Overview
    Long-span prestressed portal frame piers are increasingly adopted where conventional bridge substructures become impractical due to roadway geometry, clearance requirements, or architectural considerations.

    This expert webinar presents a real-world engineering case study demonstrating the complete structural analysis workflow using MIDAS Civil. Participants will learn how portal frame bridge piers behave under gravity, prestressing, temperature, wind, and construction stages, together with practical modelling techniques and interpretation of analysis results.

    The session emphasizes engineering judgement rather than software operation alone, enabling designers to better understand the behaviour of complex bridge substructures.
    01
    Structural Behaviour
    Understand how long-span prestressed portal frame piers respond to gravity, prestressing, temperature, wind, and construction-stage effects.
    02
    Analysis Workflow
    Explore a complete structural analysis workflow using MIDAS Civil, including practical modelling, loading, construction stages, and result interpretation.
    03
    Engineering Insights
    Develop better engineering judgement by understanding structural behaviour, interpreting analysis results, and evaluating complex bridge substructures.
    What You Will Explore
    ✓ Why long-span portal frame piers are adopted
    ✓ Structural behaviour and load path
    ✓ Prestressing effects and critical considerations
    ✓ Gravity, temperature, and wind effects
    ✓ Construction stage behaviour
    ✓ Practical modelling techniques using MIDAS Civil
    ✓ Interpretation of analysis results
    ✓ Engineering judgement and practical insights
    📌 Agenda
     
    00:00 – 00:10
    Welcome & Introduction
    Speaker background, objectives, and tools overview.
    00:10 – 00:20
    Why Portal Frame Piers?
    Challenges, alternatives, advantages, and applications.
    00:20 – 00:30
    Structural Behavior
    Load path, frame action, prestressing, and design considerations.
    00:30 – 01:00
    MIDAS CIVIL NX Modelling LIVE DEMO
    Geometry, materials, boundaries, tendons, construction stages, moving loads, and combinations.
    01:00 – 01:15
    Results Interpretation
    Stresses, moments, deflections, stability, serviceability, and strength.
    01:15 – 01:25
    Practical Lessons
    Common mistakes, verification, recommendations, and quality checks.
    01:25 – 01:30
    Q&A and Close
    Open floor for attendee questions and discussion.
     
    By the End of This Webinar You Will Be Able To
    ✓  Understand when portal frame piers become the preferred structural solution.
    ✓  Understand the structural behaviour of long-span prestressed portal frames.
    ✓  Apply practical modelling techniques using CIVIL NX.
    ✓  Perform construction stage analysis and understand prestressing sequences.
    ✓  Evaluate time-dependent effects including creep, shrinkage, and relaxation.
    ✓  Understand load combinations in accordance with the BS 5400 design code.
    ✓  Interpret bending moments, axial forces, deflections, and support reactions.
    ✓  Identify common modelling mistakes and improve analysis reliability.
    🎙️ Meet the Speaker
    Er. Ranil Sampath
    Er. Ranil Sampath
    Chartered Engineer (CEng)
    Institution of Engineers, Sri Lanka
    Education
    M.Sc. in Structural Engineering
    University of Moratuwa, Sri Lanka
    Ranil Sampath is a Chartered Civil Engineer with over 15 years of professional experience in the analysis, design, construction, and assessment of major bridge structures in Sri Lanka. His work spans prestressed concrete bridges, extradosed bridges, steel bridges, portal frame structures, and complex highway infrastructure projects.

    He currently serves as a Bridge Design Engineer, where he has been involved in the structural design and technical review of numerous national highway and expressway bridge projects. His expertise includes finite element modelling, construction stage analysis, prestressed concrete design, and advanced bridge analysis using MIDAS CIVIL and other commercial software.

    Ranil also actively contributes to the engineering profession through technical presentations and knowledge-sharing sessions, with a focus on translating complex structural engineering concepts into practical design solutions.
    Technical Skills
    MIDAS CIVIL NX · Post-Tensioned Bridge Design · Finite Element Analysis · Extradosed Bridge Design