Articles by Aileen Cho

The American bridge design and construction industry has turned the corner in embracing tools such as 4D modeling, public-private partnerships and drones.

Crews are upgrading and building onto a 1950s-era pier without disturbing three buoyant caissons supported by timber piles.

Anew 12-hammer pile-driving device, called the DodecaKong, has begun driving 30-meter-dia steel-pipe piles for an artificial island that will host a new airport in Sanya, China.

An unmanned aerial vehicle (UAV) equipped with light detection and ranging (LiDAR) technology is being tested to document cut-and-fill work on a $74-million interchange in Contra Costa County, Calif.

The Iron Workers (IW) and the Ironworker Management Progressive Action Cooperative Trust (IMPACT) have announced a new paid maternity-leave benefit, a groundbreaking move that officials hope will boost recruitment and retention of women workers.

Several U.S. cities have used isochrones—lines that connect geographic points on a map to compare transit travel times—to redesign their transit systems.