Groene Hart goes solo

摘要

The world's largest TBM, an in-house designed control system with sophisticated software and a new flexible grout ring backfill material are among the techniques being used by French contractor Bouygues on the Groene Hart tunnel in the Netherlands. The giant bore will carry trains for the new high speed rail link currently under construction from Amsterdam to Brussels in Belgium. Adrian Greeman visited the site Innovation and invention is what the client, HSL-Zuid, hoped for during construction of its highspeed rail project, the first "TGV" line in the Netherlands. On the 7,156m long Groene Hart tunnel it is getting just that with a bold, divided, twin track, super-large tunnel scheme being implemented by French contractor Bouygues at a cost of US$431 M.