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Volume 33 Issue 12
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HE Si-ming, ZHANG Xiao-xi, OUYANG Chao-jun. Influences of loads of stripe footing on slope stability and its reinforcement[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(12): 1980-1986.
Citation: HE Si-ming, ZHANG Xiao-xi, OUYANG Chao-jun. Influences of loads of stripe footing on slope stability and its reinforcement[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(12): 1980-1986.
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Influences of loads of stripe footing on slope stability and its reinforcement

  • (1. Key Laboratory of Mountain Hazards and Surface Process, Chinese Academy of Sciences, Chengdu 610041 , China; 2. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; 3. Department of Geotechnical Engineering ， Southwest Jiaotong University, Chengdu 610031, China)

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  • Published Date: December 14, 2011
    Graphical Abstract
    • Abstract
  • Based on its deformation characteristics under the flexible foundation, the composite ground is divided into four parts, including fill, cushion, composite foundation and underlying layer. Through the analysis of a typical element, a simplified analytical model, which considers the above four parts as an interactive system and allows for the relative movement between piles and soils and assumes different settlements of foundation soil at the same level plane, is presented. And then according to the compatibility of stress and deformation on the interfaces between these four components, the formulas for the settlement and the stress ratio of pile-soil, which is used to characterize the behaviors of the composite ground, are derived. Finally, it is demonstrated that the results from this solution are in accordance with the measured ones of a project. So the proposed method can reflect the working behaviors of the composite ground under the flexible foundation favorably .
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    • References (13)
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    何思明 , 李新坡 . 高切坡半隧道超前支护结构研究 [J]. 岩石力学与工程学报 , 2008, 27 (A02): 3827 – 3832. (HE Si-ming, LI Xin-po. Study on pre-reinforced half-tunnel structure in high cut slope[J]. Chinese Journal of Rock Mechanics and Engineering, 2008, 27 (A02): 3827 – 3832. (in Chinese))
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    何思明 , 李新坡 , 王成华 . 高切坡超前支护锚杆作用机制研究 [J]. 岩土力学 , 2007, 28 (5): 1050 – 1054. (HE Si-ming, LI Xin-po WANG Cheng-hua. Mechanism on interaction between pre-reinforced anchor bolt and rock mass in high cutting slope[J]. Rock and Soil Mechanics, 2007, 28 (5): 1050 – 1054. (in Chinese) )
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    何思明 , 李新坡 . 高切坡超前支护桩作用 机制研究 [J]. 四川大学学报 ( 工程科学版 ), 2008, 40 (3): 43 – 46. (HE Si-ming, LI Xin-po, Study on the interaction between high cutting slope and pre-embedded piles[J]. Journal of Sichuan University (Engineering Science Edition), 2008, 40 (3): 43 – 46. (in Chinese) )
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