In the 1970s, Kennedy and a small group of colleagues worked with DeLeuw, Cather & Co. and Kaiser Engineers to develop the "Subway Environmental Design Handbook" under contract to the U.S. Dept. of Transportation. As part of that project, Kennedy led the development of the Subway Environment Simulation software program.
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.