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Volume 33 Issue zk1
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LIU Ming, GONG Bi-wei, LIU Jun, SUN Hui. Monitoring technology for canal slopes of expansive soil (rock)[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 76-84.
Citation: LIU Ming, GONG Bi-wei, LIU Jun, SUN Hui. Monitoring technology for canal slopes of expansive soil (rock)[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 76-84.
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Monitoring technology for canal slopes of expansive soil (rock)

  • Yangtze River Scientific Research Institute, Wuhan 430010, China

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  • Received Date: April 25, 2011
  • Published Date: November 30, 2011
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    • Abstract
  • Expansive soil (rock) has special engineering features. The canal slope of expansive soil is instable. It is difficult to deal with the canal slopes of expansive soil. The level of monitoring technology is higher. The selection, layout and laying technology of monitoring equipments as well as the monitoring methods of horizontal displacement, water content, suction, pore water pressure, earth pressure in the canal slopes of expansive soil (rock) are summarized. The stability monitoring of canal slopes shows that the damage of canal slopes of expansive soil (rock) is caused by crack and/or expansion. The monitoring of protection treatment shows that replacement ballasting treatment measure is effective in shallow instability of canal slopes, and water content decreases and fluctuates sensitively with the initial water content being affected by atmosphere. The relationship between suction and water content, the relationship between pore water pressure and water level, variation of earth pressure and other monitoring results are also studied .
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    • References (6)
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    [2]
    刘特洪 . 工程建设中的膨胀土问题 [M]. 北京 : 中国建筑工业出版社 , 1997. (LIU Te-hong. Expansive soil in the engineering construction[M]. Beijing: China Architecture and Building Press, 1997. (in Chinese))
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