Geomechanics and Engineering

  • 제1권2호
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  • Pages.169-178
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  • 2009
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  • 2005-307X(pISSN)
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  • 2092-6219(eISSN)
테크노프레스 (Techno-Press)
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Compressibility of broken rock-fine grain soil mixture

  • Xu, Ming (Department of Civil Engineering, Tsinghua University) ;
  • Song, Erxiang (Department of Civil Engineering, Tsinghua University) ;
  • Cao, Guangxu (Department of Civil Engineering, Tsinghua University)
  • 투고 : 2009.05.06
  • 심사 : 2009.06.16
  • 발행 : 2009.06.25
⟨ 이전 논문 다음 논문 ⟩

초록

Due to the enormous amount of fills required, broken rock-fine grain soil mixtures have been increasingly used in the construction of high-fill foundations for airports, railways and highways in the mountain areas of western China. However, the compressibility behavior of those broken rock-fine grain soil mixtures remains unknown, which impose great uncertainties for the performance of those high-fill foundations. In this research, the mixture of broken limestone and a fine grain soil, Douposi soil, is studied. Large oedometer tests have been performed on specimens with different soil content. This research reveals the significant influence of fine grains on the compressibility of the mixture, including immediate settlement, creep, as well as wetting deformation.

키워드

참고문헌

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피인용 문헌

  1. A large triaxial investigation of the stress-path-dependent behavior of compacted rockfill vol.7, pp.3, 2012, https://doi.org/10.1007/s11440-012-0160-0
  2. Effect of stress conditions on collapse deformation behavior of a rockfill material vol.19, pp.6, 2015, https://doi.org/10.1007/s12205-014-1175-x
  3. An elastic-viscoplastic double-yield-surface model for coarse-grained soils considering particle breakage vol.85, 2017, https://doi.org/10.1016/j.compgeo.2016.12.014
  4. Effect of gradation curve and dry density on collapse deformation behavior of a rockfill material vol.19, pp.3, 2015, https://doi.org/10.1007/s12205-013-0682-5
  5. A rheological model to simulate the shear creep behavior of rockfills considering the influence of stress states pp.1861-1133, 2018, https://doi.org/10.1007/s11440-018-0716-8
  6. A strain hardening model for the stress-path-dependent shear behavior of rockfills vol.13, pp.5, 2009, https://doi.org/10.12989/gae.2017.13.5.743
  7. DEM simulation of the size effect on the wetting deformation of rockfill materials based on single-particle crushing tests vol.123, pp.None, 2009, https://doi.org/10.1016/j.compgeo.2019.103429
  8. Influence of rock powder on the behaviour of an organic soil vol.80, pp.11, 2009, https://doi.org/10.1007/s10064-021-02457-2