The large‑scale accumulation of coal gangue poses serious environmental and land‑use challenges, yet its direct use as concrete aggregate has been hindered by low reactivity, high porosity, and weak ...

Equipment used to process concrete on site typically includes various kinds of crushers, whether it be a jaw crusher or a crusher plant, or pulverizers, hammers and universal processor attachments.

In recent years, we've heard about efforts to replace some of the aggregate used in concrete with crumbled used tires. Now, however, scientists have succeeded in producing good quality concrete in ...

This study evaluated the properties of concrete incorporating repeatedly recycled aggregates through laboratory experiments. In parallel, it quantitatively analyzed the environmental and economic ...

Researchers have developed a process for turning the solid waste products of coal power plants into a useful ingredient that could improve properties of concrete. Coal ash is the less notorious ...

Australian scientists are trying to close the loop on steel waste and sewage wastewater. When they made new concrete using these waste materials, the results were 17 percent stronger than concrete ...