スポーツターフ床土構造

Sport turf floor soil structure

Abstract

(57)【要約】 【課題】 固結化を防止することにより、透水性、運動 機能性を確保したスポーツターフ床土構造を提供する。 【解決手段】 弾性材料からなる比重1.8〜3.5の 弾性チップを、土または砂に混合して中層上に、芝生直 下の層として3cm以上の厚さに敷設したことを特徴と するスポーツターフ床土構造。
PROBLEM TO BE SOLVED: To obtain the subject structure ensuring water permeability and motional functionality by preventing consolidation by mixing an elastic chip having a specified specific gravity with soil, or the like, and laying the resultant mixture on an internal layer in a specific thickness as a layer just under a turf. SOLUTION: This sports turf floor soil structure is obtained by mixing an elastic chip composed of an elastic material and having 1.8-3.5 specific gravity with soil or sand and laying the mixture on an internal layer in a thickness of ≥3 cm as a layer just under a turf. In this case, the elastic material can be constituted by blending a material for adjusting a specific gravity with a material selected from an urethane, a synthetic rubber, natural rubber and a synthetic resin, and a mixing ratio of the elastic chip to the total amount of the elastic chip and the soil or the sand is preferably ≥3 wt.% and a shape of the elastic chip can be selected from lumpish, needle-like, string-like and flaky shapes. COPYRIGHT: (C)2000,JPO

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