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Volume 37 Issue 4
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HUANG Ying-hao, CAI Zheng-yin, ZHANG Chen, XU Guang-ming, HONG Jian-zhong, ZHAO Bao-zhong. Development of centrifugal model test facility for frost-heave of channels[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(4): 615-621. DOI: 10.11779/CJGE201504006
Citation: HUANG Ying-hao, CAI Zheng-yin, ZHANG Chen, XU Guang-ming, HONG Jian-zhong, ZHAO Bao-zhong. Development of centrifugal model test facility for frost-heave of channels[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(4): 615-621. DOI: 10.11779/CJGE201504006
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Development of centrifugal model test facility for frost-heave of channels

  • 1. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210024, China; 2. Geotechnical Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210024, China; 3. General Engineering Research Institute, China Academy of Engineering Physics, Mianyang 621900, China

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  • Received Date: August 13, 2014
  • Published Date: May 05, 2015
    Graphical Abstract
    • Abstract
  • Frost-heave damage is the main reason for the channels in seasonal frozen regions. A new device is developed for simulating the frost-heave phenomenon of channels. It mainly includes the freeze-thaw model container, the circulating cooling water system and the measurement control system. The freeze-thaw model container consists of internal and external structures, and thermal insulation materials are filled between them. The circulating cooling water system adopts 12 groups of semiconductor chilling plates, and cooling or heating is accomplished by the Peltier effects. The high-pressure pump combined with the air cooling radiator realizes a continuous cooling for the system without hydraulic rotating joints. The installation device for the direct rebound displacement sensors is developed to ensure the accurate measurement. The whole device is used to study the frost-heave damage of a channel. The test results show a good regularity with correct simulation of both the temperature and displacement fields, indicating that this facility is effective for the simulation tests on frost-heave of channels.
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    • References (17)
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