| 摘要 |
PROBLEM TO BE SOLVED: To provide a duct installation structure in a building and a duct installation method, wherein replacement work for an air ventilating duct is easily and properly performed. SOLUTION: The first floor part of a building is constructed by six building units 20, and a ventilation unit 31 is installed in one of them. A plurality of air supply ducts 35 are connected to the ventilation unit 31. Each one end of the air supply ducts 35 is connected to the ventilation unit 31, and the other end thereof is connected to a blowout chamber 37 provided in each room as a ventilation object. Each air supply duct 35 is installed between the adjacent building units 20 through a beam through-hole provided in a ceiling girder 22. Especially, the air supply duct 35 has a double piping structure, and the duct 35 is housed in an outer duct 41 having a larger diameter than the duct 35. COPYRIGHT: (C)2008,JPO&INPIT |
