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Volume 36 Issue 8
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ZHOU Jian, ZHU Yao-min, JIAN Qi-wei, JIA Min-cai, JIN Yun-long. Model tests on fluidization characteristics of laterite nickel ore in bulk[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(8): 1515-1520. DOI: 10.11779/CJGE201408018
Citation: ZHOU Jian, ZHU Yao-min, JIAN Qi-wei, JIA Min-cai, JIN Yun-long. Model tests on fluidization characteristics of laterite nickel ore in bulk[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(8): 1515-1520. DOI: 10.11779/CJGE201408018
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Model tests on fluidization characteristics of laterite nickel ore in bulk

  • 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 3. Shanghai Ship & Shipping Research Institute, Shanghai 200135, China

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  • Received Date: November 21, 2013
  • Published Date: August 18, 2014
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    • Abstract
  • By means of shaking table tests, the fluidization characteristics of laterite nickel ore in bulk under dynamic loading are investigated. With the help of digital image capture and processing technology, the phenomenon of fluidization evolution is revealed. The effect of different influencing factors such as moisture content, acceleration and the change law of pore water pressure and moisture content in the process of fluidization are analyzed. The test results show that the moisture migration is the main cause for fluidization of laterite nickel ore. The fluidization of laterite nickel ore is mostly influenced by the moisture content, and it is suggested that the moisture content of laterite nickel ore used in the test should be below 31.0% in practical transport. Only when the acceleration is greater than a certain critical value, the acceleration has great influence on the fluidization characteristics of laterite nickel ore. This study is of important significance in reducing risk for laterite nickel ore in the shipping process.
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    • References (14)
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