首次提出了根据屈服带宽度和条带煤柱宽度来确定条带开采安全系数的方法,同时给出了设计条带开采尺寸的步聚。
It is first raised that safety coefficient can be calculated by using the widths of yield zone and pillar, and the steps of designing the strip mining size are pro-posed.
将有限元强度折减法应用于边坡稳定分析中,探讨了该方法的基本原理、安全系数的定义、屈服准则和失稳判据等。
The strength reduction FEM is applied to the stability analysis of slope. The basic principle of this method and the definition of safety factor, yield rule and instability criterion are discussed.
本文指出,根据有限寿命疲劳强度安全系数法设计出的零件仍然有可能屈服失效。作者建议用寿命计算法和图解估值法代替现有的安全系数法。
This paper indicates that the components, which are designed according to the safety factor method of fatigue strength for the finite life, can also be yielded.
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