论文代写须知
当= 0时，JSM和BSM得到安全系数。交叉点显示了M-PM或SM的安全系数。Janbu的广义方法接近于交点。广义极限平衡过程的优点是在相同的图中对安全系数进行比较。在此过程中可采用复合材料和圆形SS的稳定性分析。变量间切力函数描述了在随后的迭代后，夹层力的倾斜度。广义极限平衡考虑剪切力和夹层力，同时满足力和力矩的平衡，允许对夹层力函数进行选择，并描述了最先进和常用极限平衡方法的比较。
OM是用手算的。JSMsand BS已经广泛应用于稳定性分析。这种方法很常见，因为在大多数情况下，可以用适当的准确性来估计安全系数。该方法在满足力矩和力平衡方面有一定的局限性。采用BSM对圆剪切面进行分析。JSM在检查非圆形表面的安全系数时是灵活的。在故障面和不规则斜坡上均可有效地处理JGM的优点。切片的力矩平衡显示了接近安全系数的力平衡的解。
BSM显示了比JSM更高的安全性因素，并且在安全系数的5%以内从严格的方法获得。相对于Morgenstern-Price和Spencer方法计算的结果，安全系数可以相差15%。从力矩平衡中可以看出，力平衡的安全系数对f(x)更敏感。安全系数对f(x)段敏感。在锚点或点荷载的情况下，安全的力矩平衡系数已相当大的转移到安全系数较低的地方。从力矩平衡的角度考虑安全系数在外力的应用中被认为是比较敏感的。由于锚力或点荷载作用，夹层剪切力增加。降低了正常基力，降低了抗剪强度。
When λ= 0, the factor of safety is obtained for JSM and BSM. The intersection point shows the factor of safety for M-PM or SM. The Janbu’s generalized method is close to the intersection point. The generalized limit equilibrium processes have the advantage to make comparisons of a factor of safety in the same diagram. The stability analysis for composite and circular SS can be used in the procedure. The variable interslice force function describes the inclination of interslice forces after the subsequent iterations. The generalized limit equilibrium considers both shear and interslice forces, satisfies both force and moment equilibriums, allows selection for the interslice force function and depicts the comparison of most advanced and common limit equilibrium methods.
The OM is calculated by hand. JSMsand BS have used widely for the stability analysis. The methods are common because in most cases, a factor of safety can be estimated with the adequate accuracy.The methods have some limitations in the satisfying moment and force equilibrium. The BSM is used for the analysis of circular shear surface. The JSM is flexible in examining the factor of safety for the non-circular surfaces. The advantage of JGM can be handled effectively at both failure surfaces and irregular slopes. The moment equilibrium for the slices shows the solution for the force equilibrium which is close to the factor of safety.
The BSM shows a higher factor of safety than JSM and declines within 5% of the factor of safety obtained from rigorous methods. The factor of safety can differ by 15% in comparison to the results calculated by Morgenstern-Price and Spencer methods. The factor of safety from force equilibrium can be seen more sensitive to the f(x) from moment equilibrium. The factor of safety is sensitive to the section of f(x).In the case of the anchors or point loads, the moment equilibrium factor of safety has considerable shifting towards the lower factor of safety. The factor of safety from the moment equilibrium is considered as more sensitive in the application of the external forces. The interslice shear forces increase due to the anchor forces or point loads. It can decrease the normal base force, and the shear strength is decreased.
