摘要
为了评价岩质边坡在天然状态下的稳定性,使用模糊层次分析法,根据现场调查资料和试验数据,通过提出量化评价指标,构造判断矩阵,对岩质边坡稳定性影响因子的权重进行计算,经归一化处理后,建立岩质边坡稳定性评价的模糊层次分析法模型,从而能够初步对边坡稳定性进行判定。该模型从多个方面考虑影响岩质边坡稳定性的因素,各评价指标易于从现场勘察中获得,经过与极限平衡法计算结果的对比,能够较好地反应岩质边坡天然状态下的稳定性,在实际应用中简便可行,可为边坡稳定性初步分析提供一种较好的方法,对于初步评判边坡稳定现状具有借鉴意义。
To evaluate the stability of rock slope in natural state, fuzzy analytic hierarchy process (FAHP) is used in this study. Based on the field data and experiment data, a quantitative evaluation index is proposed, and a judgment matrix is constructed. The weights of influencing factors of rock slope stability are calculated. After normalization, the evaluation of rock slope stability is established. The FAHP is applied to determine the slope stability. The proposed model considers the factors that affect the stability of rock slope from many aspects. The evaluation indexes are easy to obtain from field investigation. Compared with the calculation results of limit equilibrium method, the proposed model can better reflect the stability of rock slope in natural state and is simple and feasible in practical application and can be used for preliminary analysis of slope stability. The proposed model provides a better solution for the preliminary evaluation of the slope stability.
作者
郭翔
孙旭
孟志浩
刘灿
GUO Xiang;SUN Xu;MENG Zhi-hao;LIU Can(Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, China)
出处
《河北地质大学学报》
2019年第3期72-76,共5页
Journal of Hebei Geo University
关键词
岩质边坡
模糊层次分析
评价指标
稳定性
rock slope
fuzzy analytic hierarchy process
evaluation index
stability
