The practice of using concrete rubble and rebar to protect riverbanks from erosion poses a safety hazard for rafters, a former government biologist says. Calgary firefighters pull 80 pieces of rebar ...

While many of us might think that concrete structures such as bridges simply stand unaided for decades at a time, the fact is that they require maintenance as often as once every five years. An ...

Nearly 40% of failure of concrete structures occurs due to corrosion of embedded steel reinforcement. For this reason, corrosion control of steel reinforcement is essential to prevent damage and ...

Concrete makes up a huge part of the built world, but steel rebar–reinforced concrete is difficult and dangerous for humans to make. Toggle thinks robots can make it faster and safer. (Courtesy Toggle ...

Occurrence of corrosion in rebars of reinforced concrete (RC) structures is a common problem faced by the ageing infrastructure across the world. This article presents a newly developed approach for ...

Since the first generation of Conquest 100 GPR was unveiled in 2001, Conquest100 has been helping contractors locate embedded objects in concrete. Since the first generation of Conquest 100 GPR was ...

The $2.6 million redevelopment of a much-loved skatepark in Alfred Cox Park, Gisborne is setting a new standard in the design and construction of skate parks nationwide. Skateboarding, now an Olympic ...

In this video, learn how to build a round concrete "river" coffee table using conventional Quikrete concrete, rebar, and a welded steel three-legged base. If a welder is not available, wire the rebar ...

As you know, many structural elements like wire rope (the usual tower guy cable) only have strength in tension. Concrete has an opposite characteristic. It has its greatest strength in compression.