Construction method for producing beam and slab made of compound concrete containing ­demolished concrete

(10) US 9,518,388 B1

(22) 01.02.2016

(45) 113.12.2016

(57) Construction method for producing beam and slab made of compound concrete containing demolished concrete blocks, comprises that a conventional profiled rebars are made to upper and lower L-shaped stirrups, wherein lower profiled rebar mesh are fixed up firstly, in which coarsely-crushed concrete blocks or segments are placed, then upper profiled rebar mesh are assembled on it together to form a rebar cage, and fresh concrete is poured into the mold fully. A con­nection portion between the upper and lower L-shaped stirrups is located...

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