Naturally occurring raw materials that do not require processing, such as pumice stone, foamed lava, volcanic tuff and porous limestone. 3. Industrial wastes such as sintered fly ash or foamed blast ...

This study investigates the use of magnesium phosphate cement (MPC), synthesised using waste refractory magnesia bricks (WRMB) and potassium dihydrogen phosphate (KDP), as a surface modifier to ...

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 ...

Aggregate planning seeks to forecast mid-term (six to 18 months) demand and output capacity for a company. If your small business is a service company, you may not be used to thinking in terms of ...