随着断裂力学在工程应用中的高速发展，断裂力学理论已经逐渐渗透到了工程各个领域。而对于土坡稳定性的研究一般情况下目前大多采用的是连续介质力学进行分析研究，然而这些方法基本都是在滑动面已知的情况下进行的分析研究，并没有考虑裂缝对土坡稳定性的影响。本文对在考虑裂缝因素影响的情况下分析了边坡的安全系数，得出有裂缝边坡与无裂缝边坡的安全系数的对比，证明了边坡会延最初裂缝向下开裂延伸。%With the rapid development in the engineering application of fracture mechanics, fracture mechanics theory has gradually penetrated into every field of engineering. At present, for the general case study on the stability of slope by using continuum mechanics analysis, but these methods are based on the sliding surface of known cases, did not consider the effect of cracks on the slope stability. In this paper, safety factor of slope is analyzed after considering the fracture factors, a contrast crack slope and no cracks the slope safety coefficient is obtained, the slope will continue to crack down the initial crack extension is proved.
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