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Study on the Instability Mechanisms and Monitoring Control of Stratified Rock Slope with Water-Rich Strata

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Abstract

Water is one of the leading factors in the sliding geological disasters of rock slope, and the harm of fissure water to slope rock mass more and more becomes one of the hotspot research problems in transportation infrastructure construction in mountainous area. Based on the current research status quo of effect of fissure water on rock mass, the interaction mechanisms of water and rock in stratified rock slope were analyzed by related theories such as rock mass mechanics, fluid mechanics and soil mechanics including softening dissolution, scour hole enlargement and padding effective stress, and the influence of water–rock interaction on slope sliding disasters. Then, the influence of rainfall on the displacement field distribution of slope was analyzed during one year of monitoring a typical,natural slope in the Sichuan–Chongqing region. Observations include surface displacement, deep displacement, water level and rainfall. Finally, a targeted reinforced disposal scheme was proposed that considered the rainfall effect. The results provide reference for the instability theory and treatment measures for a high-risk stratified slope.

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Authors and Affiliations

  1. Shijiazhuang Tiedao University, Shijiazhuang, 050043, Shandong, China

    Qian Zhang & Lili Hou

  2. Geotechnical and Structural Engineering Research Center, Shandong University, Jinan, 250061, Shandong, China

    Jing Wang & Peng Lin

Authors
  1. Qian Zhang
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  2. Jing Wang
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  3. Lili Hou
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  4. Peng Lin
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Correspondence to Jing Wang.

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Zhang, Q., Wang, J., Hou, L. et al. Study on the Instability Mechanisms and Monitoring Control of Stratified Rock Slope with Water-Rich Strata. Geotech Geol Eng 36, 1665–1672 (2018). https://doi.org/10.1007/s10706-017-0421-7

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  • DOI: https://doi.org/10.1007/s10706-017-0421-7

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