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A model test system with a dynamic load device for geotechnical engineering in cold regions

         

摘要

A model test system with a dynamic load device for geotechnical engineering in cold regions is presented.This system consists of a model test tank,a refrigeration device and temperature controller,a dynamic load device,together with sensors and data loggers for detecting stress,deformation,and temperature changes.The system can accommodate soil blocks up to 3 m in length,2.5 m in width,and 1 m in height.The lowest temperature provided by the refrigeration device is-20 ℃.The maximum load provided by the dynamic load device is 100 kN and the vibration frequency of the dynamic load can range from 0.1 to 10 Hz.A number of waveforms,such as sine waves,rectangular waves,triangle waves,and other user-defined waves can be generated by the dynamic load device controller.

著录项

  • 来源
    《寒旱区科学(英文版)》 |2012年第2期|115-120|共6页
  • 作者单位

    State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;

    State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;

    State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;

    Civil and Engineering Department, Lanzhou University, Lanzhou, Gansu 730000, China;

    State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China;

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