| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an anchorage construction method of an avalanche preventive structure capable of firmly anchoring the avalanche preventive structure, without rupturing or extracting an anchor bolt by snow pressure of a snowfall layer.SOLUTION: In the anchorage construction method of the avalanche preventive structure, a mountain side anchor bolt 1A is provided on the mountain side in the inclining direction of a slope G, and a valley side anchor bolt 1B shorter in the length than the mountain side anchor bolt 1A is provided on the valley side, and the mountain side anchor bolt 1A is penetratingly arranged in a mountain side bolt hole 6A provided at an interval Lfrom a valley side board end part 5A of this board 5 on the mountain side more than a column part 4 erected on the board 5 of the avalanche preventive structure 2, and the valley side anchor bolt 1B is penetratingly arranged in a valley side bolt hole 6B provided at an interval Lfrom a valley side end part 5A on the valley side more than the column part 4, and the board 5 is provided on the slope G, and a nut 8 is threadably attached, anchored and fixed to respective bolt parts 7 projecting on the board 5.</p> |
