Determining the bulk specific gravity of fine aggregate is important when designing hot mix asphalt. The bulk specific gravity is used in calculating the voids in the mineral aggregate of an HMA ...

Editor’s note: This article, distributed by The Associated Press, was originally published on The Conversation website. The Conversation is an independent and nonprofit source of news, analysis and ...

Safer roads begin with safer materials. For paving projects using asphalt chip seal, lightweight aggregate made from expanded shale, clay or slate (ESCS) has a greater bond strength and skid ...

The composition of the asphalt mixture making up a road can determine how safe it is for cars to drive on. Tarik Seker/iStock via Getty Images Plus More than 90% of paved roads in the U.S. are made of ...