Method of constructing multistory framework building from three-dimensional blocks

1343290 Prefabricated multi-storey buildings F D RICH Jnr 18 Jan 1971 [19 Jan 1970] 2295/71 Heading E1A A multi-storey building is constructed from prefabricated room units 12 mounted on support columns 16 having launches 34 to locate same, the lowermost columns being cast in situ on footings 34 and interconnected by the lowermost room units serving as tie beams therefor whereupon the columns of the next higher storey are cast in situ and the operation set out above repeated. The units 12 are made of reinforced concrete and provided with ribs 52, 54. The spaces between the room units are filled with concrete and ducts left for the supply of services, the spaces being blanked off at the exterior of the building by facia boards 180. The room units may be formed with curtain walls 68 of metal and the building provided with an exterior gallery supported on outrigger beams, see Figs. 7 and 8 (not shown). In a modification each column consists of prefabricated sections which are interconnected by spigot-and-socket means and a post-tensioning bar, see Figs. 14, 15 and 16 (not shown). For numerous details concerning lay-outs, seals, adjustable door jambs, cover plates and walkover plates between aligned room units to-gether with service fittings, materials employed and method of construction the Specification and remaining drawings (not shown), should be referred to.