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Journal of Mountain Science

, Volume 15, Issue 4, pp 871–881 | Cite as

Improved plane layout of stabilizing piles based on the piecewise function expression of the irregular driving force

  • Wen-qiang Liu
  • Qun Li
  • Jian Lu
  • Chang-dong Li
  • Wen-min Yao
  • Jiang-bo Zeng
Article

Abstract

The paper presents an improved plane layout for stabilizing piles based on a proposed piecewise function expression for the irregular driving force. Based on the specific morphological characteristics of a highway landslide, the piecewise function is used to calculate the irregular driving force by dividing the landslide into several sub-areas. Furthermore, the reasonable layout range and pile spacing can be obtained based on the piecewise function expression of the irregular driving force and on relevant research results of the plane layout for stabilizing piles. Therefore, an improved plane layout of stabilizing piles is presented in consideration of a piecewise function expression of the irregular driving force. A highway landslide located in eastern Guizhou Province, China, is analyzed as a case study using the proposed method. The results demonstrate that the theory presented in this paper provides improved economic benefits and can reduce the required number of stabilizing piles by 28.6% compared with the conventional plane layout scheme.

Keywords

Highway landslide Driving force Piecewise function Stabilizing pile Plane layout 

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Notes

Acknowledgments

This research is supported by the National Key R&D Program of China (2017YFC1501304),the National Natural Science Fund of China (No. 41472261), the Key Technical Project of Shenzhen Science and Technology Project (No. JSGG20160331154546471) and the Open Fund of State Key Laboratory of Geohazard Prevention and Geoenviroment Protection (Grant No. SKLGP2017K017).

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Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Faculty of EngineeringChina University of GeosciencesWuhanChina
  2. 2.CCCC Second Highway Consultants Co., Ltd.WuhanChina
  3. 3.Shenzhen Geotechnical Investigation & Surveying Institute Co., Ltd.ShenzhenChina

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