• effects of biological soil improvement method on leakage of waste leachate from engineering landfill liners

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1395/01/01
    • تاریخ انتشار در تی پی بین: 1395/01/01
    • تعداد بازدید: 497
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     biological soil stabilization is a new and environment friendly method of soil improvement. in this method the urease activity of a bacteria cause the precipitation of the calcium carbonate in the soil medium. this method has been performed by injection of solutions to the soil which are contained the needed materials for initiating the process. besides the soil properties such as soil grading, porosity, etc., the cementation solution properties affects the obtained results of this method. the latter properties include injection method, solution concentration and ph. as a result, this process causes the bounding of the soil grains. another important result of the mentioned method is decreasing the permeability of the soil. in the present paper, an engineering landfill liner is modeled by seep/w software to evaluate the effect of the biological soil improvement method on controlling the leakage of the waste liquids around these landfills.

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