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JIANG Xin, WEI Yong-xing, QIU Yan-jun. Stability of subgrade embankment on sloped weak ground[J]. Journal of Traffic and Transportation Engineering, 2003, 3(1): 30-34.
Citation: JIANG Xin, WEI Yong-xing, QIU Yan-jun. Stability of subgrade embankment on sloped weak ground[J]. Journal of Traffic and Transportation Engineering, 2003, 3(1): 30-34.
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Stability of subgrade embankment on sloped weak ground

  • 1.

    School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China

  • 2.

    Department of Geology and roadbed, Second Design and Survey Institute of Railway Ministry, Chengdu 610031, China

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  • Author Bio:

    JIANG Xin(1976-), male, a graduate student of Southwest Jiaotong University, engaged in research of especial subgrade and pavement engineering

  • Received Date: 2002-07-15
  • Publish Date: 2003-03-25
    Abstract
  • This paper analyses the stability of subgrade embankment during construction and after completion on sloped weak ground using limit equilibrium theory. Cross-sectional factors influencing the stability behavior of embankment, such as the ground slope, the thickness of weak layer and the height of embankment, are also explored. Research results show that the minimum safety factor will decrease when the embankment height, the weak layer thickness and the ground slope increase, and there are two kinds of failure models of subgrade embankment on sloped weak ground. Furthermore, some viewpoints concerning the construction of high fills are proposed as well.

     

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