| 摘要 |
PROBLEM TO BE SOLVED: To obtain a soundproof floor structure capable of greatly reducing a weight impulsive sound. SOLUTION: The soundproof floor structure 1 includes a floor slab 2 and a floor substrate material 7 on the floor slab 2, a plurality of soundproof floor materials 5 are arranged between the floor slab 2 and the floor substrate material 7, each of the soundproof floor materials 5 includes a plurality of impulse absorbing materials 3 and a long and narrow supporting material 4 supporting each of the impulse absorbing materials 3, each of the impulse absorbing materials 3 is provided to at least one of the upper surface and the lower surface of the supporting material 4, and each of the soundproof floor materials 5 is fixed to the floor slab 2 or the floor substrate material 7 to support the floor substrate material 7.
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