Driveways that use gravel are extremely common and have been for hundreds of years. Why? Because they are durable, easily repaired, attractive, ecologically sound, long-lived, and affordable. Hard to ...

Explore inside a modern cement plant and discover how cement is made using advanced technology, from raw materials to the ...

To make concrete, minerals need to be crushed and cooked in a kiln heated to temperatures above 2,600 °F (1,427 °C) to produce a material known as klinker. The chemical processes involved in the ...

UMD Professor of Civil Engineering Andrea Schokker is researching ways to make concrete more sustainable. She is a structural engineer who focuses on concrete in buildings and bridges. Schokker says ...