Iron tailings sand improves concrete properties under cyclic loading, with optimal performance at 30%-40% replacement, ...

Coarse aggregate isn’t very expensive — usual prices are $5 to $20 per ton. But much of that price is based on how far the rock has to travel, so nearby quarries are essential in keeping costs ...

The technique involves using newly designed casting moulds to compress the coarse rubber aggregate in fresh concrete that enhances the building material's performance," said lead author and Ph.D ...

MELBOURNE, Australia—Scientists from RMIT University Melbourne City have successfully replaced 100 percent of conventional aggregates in concrete—such as gravel and crushed rock—with rubber from ...

In this investigation compressive and flexural strengths of Grade M20 has been studied by replacing natural coarse aggregates with coconut shells at 0%, 10%, 20% and 30% by weight at curing ...