CONEXPO 2017 was set in fast-growing Las Vegas, where the Nevada Dept. of Transportation, 100 years old this year, “has $3 billion in road projects underway in Clark County alone,” said Tony Illia, NDOT public information officer.
“One of the department’s first purchases was a CASE 15-ton steam roller in 1937, and it now has a fleet of more than 650 vehicles and 2,000 pieces of heavy equipment,” maintaining 1,200 bridges and nearly 14,000 lane miles, he noted. Work has been spurred by 118% growth since 1990.
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.