FIELD: highway engineering. SUBSTANCE: plant for preparation of bitumen-mineral mix has bitumen pipeline 4 with casing 6 connected with steam pipeline successively connected with foam generating chamber 20 and mixer 1. Discharge part of plant is located above working members 3 of mixer. Pipeline supplying foaming agent 42 is connected to steam pipeline before three-way cock 32. Pipeline 41 for return of excessive materials is installed in section of steam pipeline. Plant provides for preparation of asphalt-concrete mixes with bitumen foamed by means of steam or water or aqueous solutions of surfactants and also without bitumen foaming. EFFECT: higher efficiency and extended technological capabilities. 2 dwg
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