| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily adjust the level of a foundation base with a high degree of accuracy by omitting an unshrinkable concrete placing step and a step of adjusting the level of a packer itself. <P>SOLUTION: An anchor bolt 10 is pre-embedded in a depressed part 11 formed in a prescribed region of foundation concrete 1, and one or more anchor bolt through-holes 12 and a plurality of jack bolt screw holes 13 are pre-opened in a foundation base 7 that is disposed in the depressed part 11. A jack bolt 15 is screwed into each of the jack bolt screw holes 13 in a state in which the anchor bolt through-hole 12 of the foundation base 7 is fitted into the anchor bolt 10, and the amount of screwing of each jack bolt 15 is adjusted in a state in which a leading end of the jack bolt 15 abuts on the foundation concrete 1 in the depressed part 11, so as to complete the adjustment of the level of the foundation base 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
