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边坡内部裂缝导致边坡破坏的研究

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摘要 对于内部含有共线缺陷裂缝或由层状岩体构成的边坡,将其缺陷简化为内部的一组共线裂缝,假设边坡破坏是由于内部这组共线裂缝扩展导致的。判断边坡是否稳定的判据是裂缝尖端等效应力强度因子是否小于断裂韧度。运用有限元软件,假设不同长度、不同间距的共线裂缝,求解其应力强度因子,研究裂缝长度及裂缝间距不同时,裂缝尖端应力强度因子的变化规律。
出处 《江西建材》 2015年第5期10-10,13,共2页 Jiangxi Building Materials
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