| abstract |
ABSTRACT It is regarding a free composition system constituted of secondary structures (B), as modifiable portions such as external walls, boundary walls, partitions, columns, beams or equipment piping or the like and a primary structure (A) composed of columns (1), beams (2), walls (3), and slabs (4) or the like to support the secondary structures (B). The primary structure (A) is composed of reinforced concrete, steel frame, steel frame concrete or steel frame reinforced concrete, and anchors (6) are set up an on the upper sides, the lower sides or the lateral sides of columns (1), beams (2), walls (3), slabs (4) or the like of the primary structure (A) on the initial construction or on the after construction. Secondary members (B-1, B-2, B-3) as the composition members of the secondary structure (B) are supported by and connected to the anchors (6) of the primary structure (A) directly or indirectly through receptacles (12), intermediate structures or inter-structural members (13) or the like. |