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Volume 35 Issue 4
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JIANG Ning-jun, DU Yan-jun, LIU Song-yu, LI Chen-yang, LI Wen-tao. Leaching behaviors of cement-based solidification/stabilization treated lead contaminated soils under effects of acid rain[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(4): 739-744.
Citation: JIANG Ning-jun, DU Yan-jun, LIU Song-yu, LI Chen-yang, LI Wen-tao. Leaching behaviors of cement-based solidification/stabilization treated lead contaminated soils under effects of acid rain[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(4): 739-744.
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Leaching behaviors of cement-based solidification/stabilization treated lead contaminated soils under effects of acid rain

  • 1. Institute of Geotechnical Engineering, School of Transportation, Southeast University, Nanjing 210096, China; 2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

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  • Received Date: April 25, 2012
  • Published Date: April 17, 2013
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    • Abstract
  • The effects of acid rain on leaching behaviors of cement solidified/stabilized lead contaminated soils are investigated. Laboratory tests including batch leaching and column infiltration tests are performed. The results of batching leaching tests show that pH and Ca concentration of equilibrium solution drop significantly when the initial pH of artificial acid rain is 2.5. Pb concentration of equilibrium solution otherwise decreases with the decrease of the initial pH of artificial acid rain. Through the column infiltration tests, it is found that the hydraulic conductivity of soils decreases with the increase of PVF. The decreasing rate in the case of the acid rain is lower than that in the case of the distilled water. pH, Ca and Pb concentration of effluent solution decrease with the increase of PVF. Meanwhile, in-situ acid rain infiltration time is correlated with laboratory acid rain infiltration time.
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    • References (12)
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