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彬县大佛寺明镜台为国家级重点保护文物。近年来,由于集中降雨和地震等因素的影响,明镜台台基出现了蠕动变形和局部沉降,并导致上部墙体出现裂缝、木结构发生损坏等。通过现场勘察和病害分析,定性分析得出明镜台滑坡形成机理。建立了合理的三维有限元模型,采用有限元强度折减法对明镜台边坡稳定性进行分析,动态地模拟了边坡失稳时滑移面形成的过程,得出了明镜台边坡失稳时的破坏形式和滑移面位置。
Bin County Dagu Buddhist Temple Taiwan national key protected cultural relics. In recent years, due to the effects of heavy rainfall and earthquakes, creep deformation and local settlement occur on the mirror base and cause the cracks in the upper wall and damage to the wood structure. Through the site investigation and disease analysis, the qualitative analysis shows that the mechanism of Mingjingtai landslide formation. A reasonable three-dimensional finite element model is established, and the stability of the slope on the mirror platform is analyzed by means of finite element strength reduction method. The process of slip surface formation when the slope is instability is simulated dynamically. The slope instability of the mirror platform is obtained When the damage form and slip surface position.