Figure 8-2.—Continuous-flow asphalt plant.Figure 8-3.—Drum-mix asphalt plant.asphalt plant (fig. 8-2), or a drum-mixasphalt plant (fig. 8-3).ASPHALT PLANT OPERATIONSBatch plants get their name becausethey produce hot mix in batches; one batchat a time, one after the other. The sizeof a batch varies according to thecapacity of the plant pugmill (fig. 8-4).Batch plants are distinguished fromcontinuous-type plants, such as drum-mixers, which produce hot mix in a steadyflow.Aggregate Cold-Feed SystemThe aggregate storage and coldfeeder system (fig. 8-5) moves (unheated)aggregate from storage into the8-2
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