Tag: Bernd Hagenah
Ana Maria Ruiz Jimenez joins HNTB’s national tunnel and underground team as principal engineer
HNTB’s growing tunnel team is working on many of the nation’s most complex and innovative tunnel projects
NEW YORK– Ana Maria Ruiz Jimenez, Ph.D., joined...
Invisible Enemy
Micro-Dust Gets More Attention as Underground Rail Traffic Grows
By Dr. Bernd Hagenah
No matter the location, underground rail systems are all burdened by an invasive,...
