廃発泡スチロール減容材の軽量地盤材料としての適用性

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Expanded polystyrene foam is used for its superior shock absorbing, insulating and lightweight properties for making fish containers, shock absorbers in packing of electrical machinery and equipment, for refrigerated product containers and civil construction materials. Due to its convenience and low cost, the quantity consumed is increasing year after year. Expanded polystyrene foam after it has been used, is being aggressively recycled in order to alleviate environmental problems. Material, which has been reduced in volume through the application of heat, is physically reformed into molded panels (hereinafter referred to as ingots). Such ingots are then pulverized (hereinafter referred to as pulverized material) by machine and we must seek more extensive applications in the expansion of its uses that are now being developed. In this study, we took note of the extreme lightness of ingots and their pulverized materials, and in order to consider its adaptability as a construction foundation material, basic experiments have been conducted to establish the characteristics as a material and its features when used an admixture with soil ground. As a result, despite its specific gravity being about 1 to be extremely light for use as a pulverized material in itself, its strength is equal to pulverized rock or stone, and has also been found to be superior in durability. Used as an admixture with sand or clayey soil, it has also been ascertained to improve the modification.
東海大学の論文

廃発泡スチロール減容材の軽量地盤材料としての適用性

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