| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for constructing a foundation, which enables an anchor bolt, a column base fitting, etc. to be accurately installed without depending on a form, even in the case of the mat foundation having no rising portion of a footing beam.SOLUTION: A sheathing board 21 is erected on the outer peripheral portion of the mat foundation; a block 23 made of a foamed resin is arranged in a section enclosed with the sheathing board 21; a reinforcing bar 24 for the footing beam is assembled between the blocks 23; a reinforcing bar 25 for a dirt floor slab is assembled above the blocks 23; after that, timbering 4 is provided in the state of being isolated from the sheathing board 21, on the ground outside the section; a ruler member 3 made of a shape steel material is horizontally laid in such a manner as not to come into contact with the sheathing board 21, above the section via the timbering 4; the anchor bolt 5, the proper column base fitting 6, etc. are positioned by being suspended on the ruler member 3 by means of a hole portion 34 or a notched portion 35, which is preformed in the predetermined position of the ruler member 3; concrete 7 is placed in the section in that state; and subsequently, the ruler member 3 and the timbering 4 are removed. |
