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
