PURPOSE: To obtain a temporarily installed beam single body which is lightweight, possesses high strength and rigidity, and secures the easy transport and storage and easy handling and whose length can be adjusted in the relatively simple manner.
CONSTITUTION: A connecting projection part 6 and a connecting recessed part 7 in pair are installed at both the edge parts of a temporarily installed beam single body A having a prescribed length, and a connection part 8 for the free connection of the edge part of a turn buckle B is installed. The temporarily installed beam single bodies A can be freely connected through the connecting projection part 6 and the connecting recessed part 7, and the temporarily installed beam single bodies A can be freely connected through the turn buckle B whose length can be adjusted. Further, a plurality of temporarily installed beam single body A is connected as to be diassembled in the longitudinal direction.
KANEKO KEIICHI
OYAMA MASAHIRO
