A standard, industrial robotic arm has “printed” about a third of a 12-meter pedestrian bridge that is destined to span an old Amsterdam canal in the Netherlands as early as next year.
A section of the international Rhine Valley Railroad started sinking in mid-August as the 10.9-m-dia, 93-m-long bentonite TBM worked a few meters below ground in soil that had been supposedly stabilized by freezing.
London’s Southwark Borough Council shuts off gas at Ledbury estate buildings to prevent a similar progressive collapse that caused four deaths at the Ronan Point block in May 1968.