| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laying method in a lengthwise direction of a cable rack having safety, easiness, and rapidity in a laying process, in the method of laying the cable rack from the uppermost floor to a ground floor or under ground floor of a structure. <P>SOLUTION: In the laying method, the required number of cable racks 2 having the same length as the interval between floors 1a of each story vertically adjacent to each other are prepared in advance. Each cable rack 2 is lowered from a cable duct opening hole 3 provided on the floor 1a. An upper end of the cable rack 2 is fixed to a lower part of mounting fittings 4 fixed to a mold 3a of the sides, which face each other, of the cable duct opening hole 3. A lower end of the cable rack 2 is fixed to an upper part of the mounting fittings 4 fixed to the mold 3a of the sides, which face each other, of the cable duct opening hole 3 provided in the lower floor 1a of the vertically adjacent floors. In this manner, the upper and lower ends of the cable rack 2 are fixed to the mounting fittings 4 fixed to the mold 3a of the sides, which face each other, of the cable duct opening hole 3 provided in the floor 1a of each story. <P>COPYRIGHT: (C)2012,JPO&INPIT |
