Volume 2 Issue 2
Mar.  2012
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SUN Jiao, DONG Lu, YUE Bo, WANG Qi, YANG Yan-mei. Study on Geotechnical Engineering Properties of Typical Sludge Hazardous Waste[J]. Journal of Environmental Engineering Technology, 2012, 2(2): 133-138. DOI: 10.3969/j.issn.1674-991X.2012.02.020
Citation: SUN Jiao, DONG Lu, YUE Bo, WANG Qi, YANG Yan-mei. Study on Geotechnical Engineering Properties of Typical Sludge Hazardous Waste[J]. Journal of Environmental Engineering Technology, 2012, 2(2): 133-138. DOI: 10.3969/j.issn.1674-991X.2012.02.020
shu

Study on Geotechnical Engineering Properties of Typical Sludge Hazardous Waste

  • 1.

    Research Institute of Solid Waste Management, Chinese Research Academy of Environmental Sciences

  • 2.

    Civil Engineering of Chongqing Jiaotong University

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  • Corresponding author:

    DONG Lu E-mail: donglu@craes.org.cn

  • Received Date: November 06, 2011
  • Revised Date: December 26, 2011
  • Published Date: March 19, 2012
    Graphical Abstract
    • Abstract
  • It is the prerequisites for determining sludge treatment and disposal methods to accurately grasp hazardous sludge production and sludge characteristics. The indoor geotechnical engineering properties of three categories of typical sludge hazardous waste were determined based on Soil Test Method Standards (GB/T 50123-1999). The results showed that the three categories of sludge hazardous wastes had high water content up to 70%, particle size distributed unequally and differed greatly for different kinds, and the effective diameter was in the range of 0.075-0.25 mm. The maximum shear strength of the direct shear was only about 3 kPa, and compressive strength varied widely. Except for organic matter content which was lower than normal MSW content, the bulk density and permeability coefficient were both higher than the range of MSW variation, which caused a huge security risk for the stability of the hazardous landfill. According to these typical physical mechanics characteristics of sludge hazardous wastes, some practical operating recommendations to the hazardous waste landfill were given.
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