When bridges, dam walls and other structures made of concrete are streaked with dark cracks after a few decades, the culprit is AAR: the alkali-aggregate reaction. AAR damages concrete structures all ...

What is new is that as the headwall was printed, a lidar unit made precise scans of the structure, building up a digital virtual twin against which the real thing can be compared. Also, wireless ...

Nearly a decade ago, early in conceptual design for the 230,000-sq-ft infill addition to the American Museum of Natural History in Manhattan, talks with potential contractors made it apparent that ...

In hopes of producing concrete structures that can repair their cracks, researchers from Drexel University’s College of Engineering are putting a new twist on an old trick for improving the durability ...

The modern waste industry is redefining what durability means. Beyond just surviving heavy traffic, a concrete floor must ...

In 2010, the town of Gramalote in Colombia was destroyed by a catastrophic mudslide, triggered by heavy rainfall and a series of small earthquakes. Now the town is being rebuilt from scratch in a new ...