For the first time in more than a half- century, crews on various projects are using a larger, stronger iteration of steel H-shaped piles recently approved by industry groups. The piles, typically ...

In the finished upgrade, problem areas are fully encapsulated with corrosion-protection systems from the concrete cap bottom to about 4 ft below the mud line. A 2013 inspection revealed a series of ...

Ameren Transmission Company of Illinois’ Herleman-Maywood 345-kV river crossing. Positioned between two levees approximately 6000 ft (1829 m) apart, the construction of a 345-kV, double-circuit river ...

Steel sheet piles have more than a century-long history of being used to support excavations for buried structures (Figure 1). During the construction process, the sheet piles traditionally provide ...

Aging infrastructure is a major issue in the U.S. with nearly 50 percent of bridges considered in poor condition—nearly 12 percent are over 80 years old; 42 percent are over 50. Many have high volumes ...

Reconstructing and widening 2.5 miles of the Pennsylvania Turnpike, building piers for the 14-span I-95 flyover ramp, replacing three mainline bridges, constructing a four-span bridge and repairing ...