Image: Posco’s schematic of its P-Box
Contractors in Korea have developed a new concrete build system that allows three floors of a building to be erected at once.
Working in collaboration with steelmaker Posco, the contractors have developed a pillar-and-ledger beam bonding system called the “Posco Box” or P-Box. The system works by allowing horizontal concrete beams to be fixed to a steel pipe filled with concrete. As the pipe is 15 high, it allows builders to add three floors at a time, reducing construction time and saving costs by up to 15%.
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