摘要
通过对国内外已报道的近80个倾倒边坡实例进行统计,从岩体几何形态、工程地质特征和失稳诱因3个方面分析归纳了边坡倾倒的变形演化规律和破坏特征。以地质力学分析模型建立为出发点,提出了一种更为全面的边坡倾倒分类系统;并结合典型倾倒边坡实例,从工程地质的角度阐述了各失稳模式的演化特性和机理。新的分类系统拓宽了边坡倾倒破坏的研究范围,为此类边坡稳定性的量化分析夯实了地质基础。
Through the statistics of nearly 80 cases of toppling slopes that have been reported at home and abroad,the deformation law and failure characteristics of toppling mass are analyzed from three aspects:rock mass geometry,engineering geology and instability inducements.Furthermore,a comprehensive classification system for slope toppling is proposed based on the establishment of geomechanical models.Finally,combined with examples of typical toppling slopes,the evolution features and mechanisms of each failure mode are expounded from the perspective of engineering geology.The new classification broadens the research scope of rock toppling and lays a solid geological foundation for the quantitative analysis of such slopes.
作者
安晓凡
巨广宏
李宁
AN Xiaofan;JU Guanghong;LI Ning(PowerChina Northwest Engineering Corporation Limited, Xi'an 710065,China;Postdoctoral Workstation of Powerchina Northwest Engineering Corporation Limited,Xi'an 710065,China;Institute of Geotechnical Engineering, Xi'an University of Technology, Xi'an 710048,China)
出处
《西北水电》
2022年第1期10-21,共12页
Northwest Hydropower
基金
国家自然科学基金(52179111,51779207).
