| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that three is the problem that a large number of days on a construction and a construction cost are required for installing unit rooms in a conventional construction method, and there is a prefabricated type that unit rooms to some extent unit-built in a factory are carried at a site and built but there is a clearance for a truck (the clearance in a height of approximately 2,650 mm on the truck because of an overall height of 3,800 mm from a ground surface in the case of a four ton truck) and the unit rooms in a height exceeding the clearance is impossible. SOLUTION: In the unit rooms, the frames of the unit rooms are manufactured previously by a dividing into upper and lower sections by a steel frame material, patch plates or through-bolts are installed to the connecting sections of the upper and lower frames by a welding or the like, the frames of the unit rooms divided into the upper and lower sections are carried into the place of installation and the patch plates or the through-bolts for the connecting sections of the upper and lower frames are clamped mutually by bolts. In the unit rooms, when the unit rooms having wide floor areas are manufactured, the unit rooms are arranged in a horizontal one row and a plurality of the unit rooms are mounted and crossing steel plates connecting the patch plates or the through-bolts are clamped together mutually in the horizontal direction of the unit rooms.
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