This is to address concerns by negative voters that the newly adopted language 5.2.4 Sampling from Continuous MixersSample the concrete after the mixture has achieved uniformity of color and texture following all mix proportioning adjustments. is too subjective. The negatives were withdrawn, with the agreement that we would take this up as new business. This revision provides more precise and objective criteria, that ensures that any samples taken will be after all adjustments have been made, and that adjusted concrete has reached the discharge point.
Keywordsair content; batch; composite sample; concrete; slump; temperature; wet-sieving ;
Draft Under Development