September 14, 2022
Via: ENRLooking 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 Bohan recalls that concrete was called “mud.” “Contractors would ask, […]
September 19, 2023
September 14, 2023
September 5, 2023
September 15, 2023
September 15, 2023