Scientists Turn Quarry Waste Into Cement That’s 71% Stronger скачать в хорошем качестве

Scientists Turn Quarry Waste Into Cement That’s 71% Stronger

A new materials science breakthrough could reshape sustainable construction. Researchers have discovered that replacing a portion of traditional sand with quartz quarry dust — a byproduct of stone crushing — can increase mortar strength by up to 71% after 28 days. The study, published in Scientific Reports, suggests that using approximately 10% quarry dust improves compressive strength from 10.8 MPa to 18.5 MPa while also increasing flexural performance. With the global construction industry consuming an estimated 50 billion tons of sand each year, sand mining has become a serious environmental concern. Riverbeds, coastlines, and marine ecosystems are under increasing pressure. This innovation could help reduce natural sand extraction while repurposing industrial waste — a major step toward circular economy construction materials. In this episode of Concrete News Network, we break down: • How quarry dust improves cement performance • Why workability changes at higher percentages • The environmental implications of sand mining • What needs to happen before real-world adoption If you work in civil engineering, concrete production, materials science, or sustainable infrastructure, this is one to watch. #concrete #cement #civilengineering #constructionnews #sustainableconstruction #greenbuilding #materialsscience #infrastructure #sandmining #engineeringinnovation