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Volume 41 Issue 12
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WU Si-lin, ZHU Wei, LIU Ji-ming, LI Yun-quan, CUI Yan, WANG Fei-long, ZHAO Di. Change laws of mud property and problems in typical environmental dredging treatment projects[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(12): 2290-2296. DOI: 10.11779/CJGE201912014
Citation: WU Si-lin, ZHU Wei, LIU Ji-ming, LI Yun-quan, CUI Yan, WANG Fei-long, ZHAO Di. Change laws of mud property and problems in typical environmental dredging treatment projects[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(12): 2290-2296. DOI: 10.11779/CJGE201912014
shu

Change laws of mud property and problems in typical environmental dredging treatment projects

  • 1. Key Laboratory of Geomechanics and Embankment Engineering, Hohai University, Ministry of Education, Nanjing 210024, China;
    2. College of Civil and Transportation Engineering, Hohai University, Nanjing 210024, China;
    3. College of Environment, Hohai University, Nanjing 210024, China

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  • Received Date: April 07, 2019
  • Published Date: December 24, 2019
    Graphical Abstract
    • Abstract
  • With the burgeoning water environment treatment in China, a large number of environmental dredging projects are being implemented. Dredging, treatment and utilization of sediments all need to be considered. Based on the typical case of the environmental dredging, treatment and utilization project of Tongjiqiao reservoir in China, the change laws of physical and chemical properties of mud are studied, and the mechanical properties of dredged mud cake are analyzed. Through the analysis, the key problems in the typical project are pointed out: the concentration of dredged mud is low, its concentration efficiency is low, the dredging and treatment work efficiency is not matched, and the mud cake is of high alkaline property after treatment. They are also the common problems in the dredging, treatment and utilization of sediments in China. The investigation of the problems may provide guidance and inspiration for the scientific research and construction in this field.
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    • References (15)
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