Influence of strength parameters of soil on the slope stability
1 Tianjin Port Engineering Institution Ltd. of CCCC.; Key Lab. of Geotechnical Engineering of Tianjin; Key Lab. of Geotechnical Engineering, Ministry of Communication, Tianjin 300222, China
2 Tianjin Port Engineering Institution Ltd. of CCCC. ; Tianjin 300222, China
a Corresponding author: email@example.com
The stability analysis of uniform clay and sand slope is carried out using traditional limit equilibrium method and strength reduction method. In order to evaluate the influence of strength parameters including friction angle and cohesive strength, the errors among Fellenius’s method, Bishop’s method and strength reduction method are calculated in detail. The results are: 1) the safety factor obtained from Fellenius’s method is smaller than that obtained from Bishop’s method; 2) the error between Bishop’s method and strength reduction method usually firstly increases and then decrease as the friction angle/cohesive strength becomes larger.
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