State Key Laboratory of Geomechanics and Geotechnical Engineering;
Institute of Rock and Soil Mechanics;
Chinese Academy of Sciences;
Wuhan;
430071;
China;
University of Chinese Academy of Sciences;
Beijing;
100049;
China;
Key Laboratory of Urban Security and Disaster Engineering;
Ministry of Education;
Beijing University of Technology;
Beijing;
100124;
China;
Enhanced limit method; Ant colony algorithm; Numerical manifold method(NMM); Slope stability;