Honorable Mention
Honorable Mention
Honorable Mention
Rankin Bridge
The Rankin Bridge is a cantilever bridge spanning the Monongahela River in Pittsburgh, PA.
Differences and Similarities of Shotcrete Specifications
In my years of working as a shotcrete contractor in the state of Illinois, the Department of Transportation (DOT) has revised the shotcrete specification numerous times
Changing Methods of Sinking Vertical Shafts in Mining
The way the mining industry and contractors work with vertical shafts is changing through the introduction of technologies such as Murray & Roberts (M&R) Cementation?s advanced shaft-lining technology.
Third-Rail Safety
There are a few things you should be aware of when working around the third rail of an electric-powered passenger train.
Changing the Traditional Shotcrete Mixture to Suit Underground Applications
Concrete mixtures used in the shotcreting process have traditionally been low-slump mixtures.
Liberty Tunnels Phase 2
The Liberty Tunnels were opened in January 1924.