PROCESS OF MANUFACTURE OF HIGH-STRENGTH CONCRETE TUBES AND TUBULAR STRUCTURES Russian patent published in 1997 - IPC

FIELD: construction industry, production of building materials. SUBSTANCE: specific feature of proposed process of manufacture of high-strength concrete tubes and tubular structures consists in feed of concrete mixture into mould by movement of feeder with inductor attached to it in mixture. Processes of centrifugation and electromagnetic treatment are combined. EFFECT: increased productivity of process. 1 dwg