Anti-sliding stability coefficient definition of side slope and sliding slope has widely adopted shear strength parameter adjustment coefficient instead of the ratio of anti-sliding stress and sliding stress and sliding stress adjustment coefficient, but a great many technical workers are at a loss about it, and the ratio of sliding stress adjustment coefficient and shear strength parameter adjustment coefficient triggers public doubt about the reasonability of anti-sliding stability coefficient definition. The analysis shows that the ratio of anti-sliding stress and sliding stress and sliding stress adjustment coef-ficient have immense limitations when used as anti-sliding stability coefficient definition, for the linear sliding surface, the comparison between the pre-vious sliding stress adjustment coefficient and the shear strength parameter adjustment coefficient is meaningless, because the same result can be ob-tained through the comparison between the upper ones.%目前边坡与滑坡抗滑稳定系数定义已广泛用抗剪强度参数调整系数取代抗滑力与滑动力之比和滑动力调整系数，但有不少技术人员对此表示不解，关于滑动力调整系数和抗剪强度参数调整系数的两个算例更是引起人们对抗剪强度参数调整系数这个定义相对合理性的质疑。分析表明，抗滑力与滑动力之比和滑动力调整系数用作抗滑稳定系数定义均有很大的局限性；对直线形滑面，将前期的滑动力调整系数与抗剪强度参数调整系数进行比较的做法是没有意义的，如果将后期的滑动力调整系数与抗剪强度参数调整系数进行比较，将得到相同的结果。
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