Researchers have identified second-quality concrete paving block waste as a viable, sustainable substitute for natural ...

A SCG biochar heated at 662 degrees Fahrenheit and replacing 15 percent of natural sand as an aggregate yielded concrete 29.3% stronger in compressive strength.

Researchers have made concrete 30% stronger by replacing a percentage of sand with spent ... 15% and 20% volume as a replacement for fine aggregate. Here, the fine aggregate used was natural sand.

Concrete is essentially artificial stone or rock, formed by mixing cement, a binding agent typically made from limestone, water, fine aggregate (sand or finely crushed rock ) and coarse aggregate ...

Sidewalks are an essential part of city infrastructure and residential landscapes, serving each sensible and aesthetic ...

The Aggregate and Sand Producers Association of Southern Africa (Aspasa) will this year send a delegation to the Investing in African Mining Indaba for the first time to evaluate the value of the ...

Concrete consists of coarse to fine aggregates that constitute at least three-quarters of its volume. Its vast applications have led to unsustainable exploitation of non-renewable natural sands, which ...

Lime clasts and concrete’s durability Concrete is essentially artificial stone or rock, formed by mixing cement, a binding agent typically made from limestone, water, fine aggregate (sand or ...