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WANG Ming-yuan, SHAN Zhi-gang, SONG Wei-kang, DI Sheng-jie, HU Sheng-gang, CHEN Fan-fan. Experimental study on resistance of pull-out cone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(z2): 167-171. DOI: 10.11779/CJGE2016S2027
Citation: WANG Ming-yuan, SHAN Zhi-gang, SONG Wei-kang, DI Sheng-jie, HU Sheng-gang, CHEN Fan-fan. Experimental study on resistance of pull-out cone penetration tests[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(z2): 167-171. DOI: 10.11779/CJGE2016S2027

Experimental study on resistance of pull-out cone penetration tests

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  • Received Date: May 18, 2016
  • Published Date: October 19, 2016
  • To investigate change of resistance of pull-out cone penetration tests, pull-out tests are performed on clayey soil and sand in a new large-scale model chamber under controlled conditions. The effects of edge angle, edge length, pull-out rate, compactness and relative densities on the evolution of pull-out resistance are highlighted. The results show that the change of pull-out resistance can be divided into three stages: sharp-increases stage, slow-increase stage and stabilization. The pull-out resistance increases along with the increase of edge angle. The increasing rate of pull-out resistance at early stage of tests and the ultimate value of pull-out resistance become larger and larger as the increase of edge length. The pull-out resistance and its maximum value also increases as the increase of pull-out rate, compactness and relative densities. However, there is no obviously linear relationship between the maximum pull-out resistance and the compactness. The increase of pull-out resistance is slow at low compactness and relative densities while it is fast when the compactness and relative densities become large.
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