| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a liquefaction countermeasure structure of a structure capable of suitably preventing (reducing) damage by liquefaction to the structure having a floor member of the large plane area such as dirt floor concrete and a floor slab.SOLUTION: The liquefaction countermeasure structure A of the structure 1 is constructed by providing the floor member 3 on the ground G having a liquefaction layer G1, and comprises a water permeable structure 4 formed by laying a granular body 4a and arranged just under the floor member 3 and a drainage structure 5 having a drain pipe 6 having a plurality of through-holes 6a arranged in the horizontal direction on the inside of the water permeable structure 4 or just under the water permeable structure 4 and arranged by extending one end part 6b side to the outside from just under the floor member 3.</p> |
