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三维强度折减法在边坡抗滑稳定分析中的应用

Application of 3D strength reduction method in the slope stability
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摘要 针对黄金坪水电站进水口边坡1 570m高程以上潜在不稳定块体,在对强度折减法适用性进行验证的基础上,采用三维强度折减法进行了稳定性分析.研究结果表明:该块体三维效应明显,主要表现在侧边界的阻滑作用.在实际工程中,对于三维效应明显的边坡,可以适当考虑边坡的三维效应,从而保证支护措施的经济合理. On the premise of the applicability of strength reduction method (SRM), the stability of potentially instable block above EL 1 570 m at intake slope of Huangjinping Hydropower Station is calculated by 3D-SRM. The calculated results indicated that the three-dimensional effect of the potentially instable block is significant, which is mainly caused by the resistance of lateral boundary. The slope with obviously three-dimensional effect, should be taken into account to ensure the rationality of support measures.
出处 《交通科学与工程》 2012年第2期8-11,22,共5页 Journal of Transport Science and Engineering
基金 国家自然科学基金(50179093) 中央高校基本科研业务费重大项目专项(2010SCU23004)资助
关键词 强度折减法 三维效应 边坡 稳定 黄金坪水电站 strength reduction method three-dimensional effect slope stabilityHuangjinping Hydropower Station
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