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🇬🇧

Integrated Half Joint Assessment Workflow using MIDAS

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AI Summary
  • WSP engineers present a real-world case study of half joint assessment on UK bridges using MIDAS Civil NX and FEA NX, covering both a multi-span post-tensioned bridge and a steel composite bridge.
  • The session addresses key practical challenges including modelling strategy, local stress analysis, and how assessment findings drive engineering decision-making on live infrastructure projects.

Description

In this session, Rajeshwaran M, Luke Fox, and Neeraj Kulkarni from WSP present a detailed, practice-based case study on the assessment of half joint details in existing UK bridge structures using MIDAS Civil NX and MIDAS FEA NX. Half joints are a critical and often vulnerable detail in older concrete bridge decks, and their accurate assessment requires a carefully considered workflow that bridges global structural behaviour and highly localised stress conditions.

The WSP team walks through two representative project types — a multi-span post-tensioned concrete bridge and a steel composite bridge — demonstrating how the assessment was structured from initial global modelling through to local FEA analysis of the half joint region. The session covers the real engineering challenges encountered on these projects, including decisions around modelling strategy, interpretation of local stress results, and how those results informed assessment outcomes and strengthening decisions.

Attendees will gain direct insight into how experienced bridge engineers apply MIDAS tools within a rigorous UK assessment framework.

Key Points

Real UK bridge case studies from WSP: half joint assessment of a multi-span post-tensioned bridge and a steel composite bridge using MIDAS Civil NX and FEA NX

Practical modelling strategy for capturing both global structural behaviour and localised half joint stress conditions within a single integrated workflow

Challenges of local stress analysis at half joint details, including shear transfer, reinforcement interaction, and interpretation of FEA results

How assessment findings directly influenced engineering decisions including strengthening recommendations and structural re-rating on live projects

Benefit

Free Trial License

Official CIVIL NX License

Certificate

Issued upon session completion

Speaker

Rajeshwaran M Principal Bridge Engineer WSP
Rajeshwaran is a Principal Engineer at WSP and a bridge designer with experience in the design and assessment of highway and rail structures across the UK. He has worked on a range of infrastructure projects, contributing to both analysis and design delivery. Rajesh is also involved in supporting teams with the application of structural analysis tools such as MIDAS Civil & MIDAS FEA. He will present the case study on the use of MIDAS FEA in an half joint Assessment.
Jonathan Luke Fox Senior Engineer WSP
 Luke Fox is a Senior Engineer at WSP, working within the Manchester Bridges team. He is the UK MIDAS Champion for WSP, supporting the use of MIDAS Civil NX and FEA NX across a wide range of infrastructure projects. Luke has experience in the design and assessment of steel viaducts and has carried out detailed analysis of multiple launching structures, providing technical support. 
Neeraj Kulkarni Bridge Engineer WSP
Neeraj Kulkarni is a senior structural analyst in WSP UK, have over 8 years of experience in design and assessment of highway and railway bridges. He is well versed with FEA analysis including nonlinear analysis, he has hands on experience with MIDAS Civil NX and MIDAS FEA NX and working knowledge of python for automation. He is also supports teams regarding MIDAS Civil NX and helps to solve issues people encounter in day to day work.
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Premium Q. How can I question or contact to MIDAS experts? Expand or Collapse
You can reach our technical experts through multiple channels: email at support@midasuser.com, our online support portal, or by scheduling a consultation through our website.