Innovations

Explore what’s new, available and working right now to work faster on tunnel renovations, with less risks for those involved.

Hosted by:

Urs Grunicke

Urs Grunicke - UHG Consult

 Fern van Efferink

Fern van Efferink - Rijkswaterstaat


Speakers

Stefano Guanziroli

Stefano Guanziroli

HINFRA

Yung Loo

Yung Loo

ARUP

Joel van Stee

Joel van Stee

Tunnel Joint Experts

Frank Blok

Frank Blok

Tunnel Joint Experts


Speakers

Stefano Guanziroli

Stefano Guanziroli

HINFRA

Yung Loo

Yung Loo

ARUP

Joel van Stee

Joel van Stee

Tunnel Joint Experts

Frank Blok

Frank Blok

Tunnel Joint Experts


Workshop contents

Workshop

Innovations

Automated concrete relining technique– when time is of the essence

By Stefano Guanziroli

HINFRA has developed a technology named ETLR (Extruded Tunnel Lining Regeneration), with the scope to build new linings for existing tunnels adopting an ultrafast horizontal slip-forming. The ETRL processing train is a machinery consisting of several modular units, each solving a specific function. The incremental industrialization of set of operations, typically the demolition, the surface preparation, and the new lining phases, combined with the performances of the special concrete, allow to target productivity rates far from the traditional methods in use in the industry. The engineered Fiber-Reinforced Concrete (FRC) is characterized by high early-age strength parameters, that allow a rapid slip-form at a predetermined time. A solid step into the technology implementation has consisted in the construction of a real scale extrusion facility, where the main components of the ETLR train are designed, produced, and tested. The solution was then transferred to pilot projects starting from 2023.

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Workshop

Innovations

Innovations in tunnel asset management: Automation and insights with computer vision

By Yung Loo

This workshop will discuss the growing appetite and opportunities for innovation in tunnel asset management. In particular computer vision based techniques enabling the automated capture of tunnel inspection imagery and data, advancements in data visualisation and dashboarding and the use of AI and machine learning for defect detection and inventorying. Benefits, blockers and lessons learnt from the development and deployment of innovative technology across tunnel projects in construction and under management across the world shall be discussed.

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Workshop

Innovations

Critical insights in tunnel maintenance: identifying and addressing underground tunnel joint issues

By Joel van Stee & Frank Blok

Facing the complexities of tunnel longevity due to environmental impacts, thermal expansion and contraction, material wear, and aging, the precision in predicting how these stresses and movements affect tunnel structures is paramount. Tunnel joints are complex but vital components that accommodate tunnel movements while ensuring water tightness through a diverse and specific set of solutions and materials. This demands a specialized approach to investigate, analyze, engineer, and solve refurbishment challenges. This session introduces an innovative method that utilizes innovative diagnostic tools and dynamic modeling for residual lifetime determination of tunnel joints and integrates these insights into practical engineering solutions. We combine expert analysis with actionable refurbishment and modification strategies, crafted to meet the high standards of experienced tunnel engineers, asset owners, and asset managers. A significant part of this session will focus on helping participants recognize critical but often overlooked problems with underground tunnel joints. By demonstrating how to detect and address these issues before they lead to significant damage, we provide vital insights into maintaining the integrity of these essential components by addressing them as a system. By attending, you'll explore how to leverage these advanced techniques to enhance your existing knowledge and extend the operational life of critical infrastructure effectively. Join us to refine your expertise with the latest in tunnel assessment and intervention technologies.

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Courses

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Monitoring

Get an excellent overview of available monitoring & scanning techniques to get a grip on the life-expectancy of your tunnel, it’s installations and it’s software. A must see for the digital asset manager of the future.

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