ACTIVITY REPORT: site visit Scheldetunnel left bank
On December 9, 2025, ABTUS-BVOTS organized an exclusive jobsite visit to the Scheldt Tunnel on the Left Bank in Antwerp. Fifty participants—a mix of asset managers, contractors, suppliers, and engineering consultants—were given a unique insight into one of the most challenging infrastructure projects in our region. The morning began with a project briefing by Jan Tack (Contract Manager COTU TM), who walked us through the entire progress of the project to date. His presentatio


NEWS FROM OUR MEMBERS - Chemical grouting for tunnel sealing and stabilization
By: ing. Bert Kriekemans, advisor for Tekinject Early Eighties the first injections of polyurethane grouts have been introduced by some of the current experts of Tekinject Also for sealing leakages in tunnels, like the Premetro Antwerpen, NYCA subway, London underground, etc. Later also for projects like the “Big Dig” = Central Artery in Boston. These techniques have become state of the art and are now commonly used for leaking sealing in tunnels all over the world. Some rece


