ALDOT Aggregate Technician Course (FY 24-25)

This is a three-day classroom and laboratory course that takes place over two half-days and two full days. The emphasis will be on developing an understanding of the ALDOT Procedure for the Acceptance of Fine and Coarse Aggregates (ALDOT Procedure 249). The test procedures for acceptance of aggregates will be demonstrated, and there will be an opportunity for the students to get hands-on training with the procedures. The following test procedures will be covered: sampling aggregates, materials finer than 200 sieve, unit weight and voids in aggregate, sieve analysis in fine and coarse aggregates, reducing field samples of aggregate to testing size, methods of sampling from a conveyor belt and for sampling and testing of Riprap Stone, drying of soil and aggregate samples for field testing, and method for determining flat and elongated pieces in coarse aggregate.