5. Special trucks bring the concrete to the casting bed where the pouring begins. 6. Once the pouring is complete, a tarp is placed over the form and heat is applied to cure the cement. 7. The ...

The problem we are trying to solve is the condition assessment of corroded prestressed concrete (PC) bridge girders in New England. The problem is important because that PC bridge girders are a ...

Prestressed concrete cylinder pipes (PCCPs) represent a critical component in water and wastewater infrastructure, offering an efficient balance of strength and durability. However, inherent ...

The California pavement was placed in a total of eight hours—five hours one night (after 10 p.m.), and three hours the next. The controlled environment of the casting yard, say proponents of precast ...

As sustainability becomes a central driver in construction, environmental product declarations (EPDs) are emerging as powerful tools for the entire building value chain. The Precast/Prestressed ...

So far, the steel reinforcements in concrete structures are mostly prestressed hydraulically. This re-quires ducts for guiding the tension cables, anchors for force transfer and oil-filled hydraulic ...

Recently, the Precast/Prestressed Concrete Institute released its 2024 awards winners. The company revealed the criteria each entry was judged on and the special awards given. According to the company ...

1. It all begins at the prestressed concrete plant. 2. This is called a prestressing strand. Made of high strength steel, it will soon be embedded in concrete. 3. The prestressing strand is stretched ...

A new building material is about to be launched on the market: 'memory-steel' can not only be used to reinforce new, but also existing concrete structures. When the material is heated (one-time), ...