25:50 ASTM C138: Unit Weight, Yield, Air (Gravimetric) of Concrete james Lee (TechTraining) 1.9K views - 8 months ago
6:13 ASTM C143 Slump of Hydraulic Cement Concrete james Lee (TechTraining) 26.5K views - 12 years ago
11:33 ASTM C231 2015: Air Content of Freshly Mixed Concrete (Pressure) james Lee (TechTraining) 58.2K views - 10 years ago
14:40 ASTM C172: Standard Practice for SamplING Freshly Mixed Concrete james Lee (TechTraining) 1.1K views - 9 months ago
11:11 ASTM C31 Making and Curing Concrete Test Specimens in the Field james Lee (TechTraining) 69.4K views - 10 years ago
16:14 ASTM C138: Unit Weight, Yield, & Air Content Gravimetric james Lee (TechTraining) 119.6K views - 8 years ago