Looking back 35 years to his job in Northern Virginia as an American Concrete Institute testing technician responsible for the quality of concrete delivered to building jobsites, civil engineer Rick ...

Concrete is ubiquitous in the modern world, but building cities, roads and other infrastructure and more comes with an environmental cost. Cement and concrete production is responsible for significant ...

Concrete is a compound material made from sand, gravel and cement. The cement is a mixture of various minerals which when mixed with water, hydrate and rapidly become hard binding the sand and gravel ...