Solving the general 3-D safety factor by combining Sarma’s idea with the assumption of normal stress distribution over the slip surface

• Linghui Wang,

  Roles Writing – original draft

  Affiliation School of Civil Engineering, Hefei University of Technology, Hefei, China

  https://orcid.org/0000-0002-9955-8981

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• Kunlin Lu

  Roles Writing – original draft

  * E-mail: lukunlin@hfut.edu.cn

  Affiliation School of Civil Engineering, Hefei University of Technology, Hefei, China

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