Answer: Simply put, water plus aggregates (gravel, sand, stone), plus cement (such as Portland cement) start a chain of chemical reactions called hydration, which raises the concrete temperature.

You walk on concrete every day without thinking about it. That sidewalk, your driveway, the foundation of every building around you; it's all made from essentially the same recipe. Funnily enough, ...

Purdue University professor Luna Lu holds the REBEL concrete strength sensing system, which her lab invented to improve estimates of in-place strength of concrete structures. As a beta product of ...

A new study found that graphene derived from metallurgical coke, a coal-based product, through flash Joule heating could serve not only as a reinforcing additive in cement but also as a replacement ...

Concrete is one of the quiet foundations of modern life, yet it is also one of the dirtiest materials humanity produces. A new generation of bio-concrete aims to flip that script, using living ...

Masoud Akbarzadeh (left), a professor of architecture at the University of Pennsylvania, is working with students to design concrete structures that use as little concrete as possible while remaining ...

In hopes of producing concrete structures that can repair their cracks, researchers are putting a new twist on an old trick for improving the durability of concrete. Fiber reinforcement has been ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Ancient Rome was full of master builders and engineers. The fruits of their labors can still be seen in the aqueducts they built—which still function to this day—as well as the Pantheon, a nearly ...

Following seven years of research, approval of this Purdue-developed technique as a standard by the American Association of State Highway and Transportation Officials is an initial step toward the ...