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 ...

VICKSBURG, Miss. - Researchers from the U.S. Army Engineer Research and Development Center (ERDC) know a thing or two about aging and ailing infrastructure. Currently one of the largest issues facing ...

Some concrete projects across Arkansas are cracking because of high-alkali cement that was used from 1997 through 2002, according to researchers at the University of Arkansas at Fayetteville. The ...

To understand phenomena like alkali-silica reactions (ASR), alkali-carbonate reactions (ACR) and alkali-aggregate reactions (AAR), it is important to investigation reaction kinetics in cement, mortar ...

Some concrete projects across Arkansas are cracking because of high-alkali cement that was used from 1997 through 2002, according to researchers at the University of Arkansas at Fayetteville. The ...