JT Mesite finishes the Concrete Field Testing Technician certification procedures with ASTM C172 Sampling Freshly Mixed Concrete. This Standard is the procedure for determining air content using pressure. This procedure discussed the proper methods of obtaining and controlling a concrete sample prior to material testing in the field. The discussion follows the ASTM methods which will help in both the verbal portion of the certification, but also in understanding correct methods every sample procurement on projects.
More videos from the Online Concrete Procedures series are available on the CRMCA YouTube channel. Videos outline more procedures, trick, and tips on concrete testing in both the field and laboratory.