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Volume 41 Issue 2
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SHAN Ren-liang, HUANG Bo, ZHENG Yun, KONG Xiang-song, ZHANG Shu-peng, ZHANG Ling-zhi. Development of similar simulation equipment for roadway support subjected to vertical dynamic loads[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(2): 294-302. DOI: 10.11779/CJGE201902007
Citation: SHAN Ren-liang, HUANG Bo, ZHENG Yun, KONG Xiang-song, ZHANG Shu-peng, ZHANG Ling-zhi. Development of similar simulation equipment for roadway support subjected to vertical dynamic loads[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(2): 294-302. DOI: 10.11779/CJGE201902007
shu

Development of similar simulation equipment for roadway support subjected to vertical dynamic loads

  • 1. School of Mechanics and Civil Engineering, China University of Mining and Technology, Beijing 100083, China;
    2. College of Civil Engineering and Architecture, Anhui Polytechnic University, Wuhu 241000, China

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  • Received Date: December 22, 2017
  • Published Date: February 24, 2019
    Graphical Abstract
    • Abstract
  • For developing similar simulation equipment for roadway support subjected to dynamic pressure, the dynamic and static pressure effects related to mining are analyzed and summarized, which becomes the design idea for manufacturing the new similar simulation equipment to study the support technology of dynamic pressure roadway. Then the design of test processes is given, and the relevant experiments are performed. The results show that the inner-frame and outer-frame are the designed nested structure in the new equipment. The pressures on lead abutment and side abutment can be simulated by using the static load cylinder, and the vibration caused by mining such as roof breaking and roof caving can be simulated by using the vibrating cylinder. The new equipment makes reliable static and dynamic loads and is applied synchronously without interference. The failure laws of the roadway in the tests accord with the general ones of roadway damage, and the test results are reliable.
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    • References (18)
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