土留め(2)／建設環境

[VI-133] Development of fluidized soil using casting dust

〇atsushi takeda¹, toshihiko miura¹, atsushi kagawa¹, kazuyoshi yawata², takashi hirowatari³, tyouyou ono³ (1.OBAYASHI CORPORATION, 2.AISIN TAKAOKA Co., Ltd., 3.Onoda Chemico co.)

Keywords:Fluidized soil, Casting dust, sieve classification, insoluble treatment, bleeding

Most of the dust in the casting process is landfilled as industrial waste. This report verifies the method of reusing casting dust as fluidized soil. As a result, it was confirmed that the casting dust can be reused as a clay component of fluidized soil by sieving and remixing.However, heavy metals may be eluted from the cured product. For this reason, depending on the use of the fluidized soil, it is necessary to perform insolubilization by adding slaked lime.