Many contractors will have processes to ensure a quality concrete pour--checklists or punch cards to standardize the material—verifications for fly ash, PSI, slump testing, even cylinder breaks.
Parts of the concrete tunnel at Ottawa's St-Laurent LRT Station were showing signs of "severe" — and sometimes "very severe" — cracking and chipping back in 2020, but internal documents obtained by ...
Metro’s inspector general has found almost 350 cracks in concrete panels used in construction of the Silver Line in Northern Virginia, according to a new report on the results of a yearslong ...
Ground penetrating radar (GPR) systems help contractors observe the interior features of concrete structures. This is extremely useful in drilling and cutting operations, as it prevents unwanted ...