Jet grouting is a ground improvement technique used for a wide range of underground structures, including tunnelling projects. We encourage you to advance your tunnelling knowledge with our CPD-certified Online Tunnel Engineering course, designed for engineers and professionals worldwide. We also deliver CITB Temporary Works Coordinator (TWC), Temporary Works Supervisor (TWS), TWC Refresher, and Tunnelling Safety Training Scheme (TSTS) courses for the UK market. Email us at welcome@tunnel.engine