When Paul Ozinga arrives on the jobsite, it doesn't take long for a small crowd of construction workers, superintendents and managers to gather around him. Their excitement isn't because he is bringing lunch or paychecks. It is for his iPad.
Because it can moderate the damaging effects of earthquakes, base-isolation is a technique used primarily in seismically active regions. ENR takes a look at some of the largest applications of base-isolation technologies in the world.