The California Department of Transportation (Caltrans) is one of the largest state departments of transportation in the nation, managing more than 50,000 miles of California’s highways, or about ...

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 ...

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 ...

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 ...

The smaller amount of concrete massively reduces the self-load of the structure, lowers the CO2 footprint and also significantly reduces transport costs. A further CO2 reduction of the component ...

The Connection Details Committee of the Precast/Prestressed Concrete Institute (PCI) has released the first edition of the PCI Connections Manual for Precast and Prestressed Concrete Construction. The ...

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 ...

Concrete is a valuable construction material, but like everything, it does not last forever. Cracks in bridges, roads, and other structures are dangerous, but replacing them outright is not an option ...

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 ...