| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bottom slab structure of a waste storage facility capable of further strongly and surely preventing water leakage.SOLUTION: The bottom slab structure of the waste storage facility comprises bottom slab concrete 20 for closing a lid of a bottom part of the waste storage facility integrally with a vertical wall 10, an upper side first waterproof structure 21 of the bottom slab concrete and a lower side second waterproof structure 22. The first waterproof structure 21 is formed by laminating waterproof units 211, 212, etc. constituted of impervious sheets 211X, 212X, etc. and protective mats 211Y, 212Y, etc. for covering its upper-lower parts and crushed stones 210a, 210b. etc. laid on it over a plurality of layers. The second waterproof structure 22 is constituted of a waterproof unit 220 and crushed stones 220a and 220b laid on its upper-lower parts, and the waterproof unit 220 comprises a first flange part 221 vertically standing on its outer peripheral edge and a second flange part 222 extending in the horizontal direction to the vertical wall 10 from the first flange part 221.</p> |
