Abstract:Research purposes: A new general limit equilibrium method available for arbitrary sliding face is proposed.The numerical integral formulas are established respectively based on the statical equilibrium and the moment equilibrium stability factor. Also the computation formula is established for the down - sliding force in the any horizontal section and the position of its action spot to meet the actual demand of the project. From the equation established with this method ,the various commonly - used limit equilibrium methods can be deduced.
Research conclusions:With the general limit equilibrium method of the numerical integral form,it is unnecessary to itemize manually and it avoids the tedious work of itemized calculation and improves the computation accuracy. By using the one - dimensiona iterative method to calculate ,the calculation process can be simplified and it is easy to program. The calculation example shows this method has high computation accuracy and use value.
曹 雄. 二维边坡稳定性分析的通用极限平衡法[J]. 铁道工程学报, 2012, 29(6): 28-32.
CAO Xiong. A New General Limit Equilibrium Method for Analysis of 2 - dimension Slope Stability. 铁道工程学报, 2012, 29(6): 28-32.
Zhu Dayong,etc. Modifications to Three Well - known Methods of Slope Stability Analysis [J]. Chinese Journal of Rock Mechanics and Engineerin ,2005(2):183 - 194.
[5] Espinoza R D. Repetto P L,Muhunthan B. Unified Formulation for Stability of Slopes [J]. Geotech. Engrg,ASCE,1994(7):1185 - 1204.
Zou Guangdian,etc. Study of Theory and Method for Numerical Solution of General Limit Equilibrium Method[J]. Chinese Journal of Rock Mechanics and Engineering,2006(2):363 - 370.
Zhen Yingren, etc. Classification Unification of Calculation Formulation for Safety Factor of Slope Stability[J]. Chinse Journal of Rock Mechanice and Engineering,2004(16):2836 - 2841.
Ding Hua,etc. Discussions on the Generalized Slicing Method for Stability Analysis of Slopes[J]. Chinese Journal of Rock Mechanice and Engineering, 2004 (21):3684 -3688.
[10] Fredlund D G,Krahn J,Comparison of Slope Stability Methods of Analysis[J]. Can. Geotech. J. ,1977 (3): 429 - 439.