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在实地调查的基础上,对甘肃省大通河朱岔峡水电站2号弃渣场边坡稳定度进行了分析与计算,结果表明:朱岔峡水电站2号弃渣场边坡滑动稳定安全系数(K)为0.19,远小于工程中一般要求的1.25~1.35,属不稳定边坡。在防护措施布设上建议采用抗滑桩—钢索—铁丝笼带以增强边坡的稳定性,并在枯水期及时清理河道,以保障洪水期水流畅通,同时选择小叶杨、扁穗冰草等根系发达、适应性强的植物稳固边坡,防止新的水土流失发生。
Based on the field survey, the slope stability of No 2 spoil yard at Datanghe Chase Gorge hydropower station in Gansu Province was analyzed and calculated. The results show that the stability of slope stability of No 2 spoil ground at Zhuchaxia Hydropower Station K) is 0.19, far less than the general requirements of the project 1.25 ~ 1.35, is an unstable slope. Anti-slide piles - wire rope - wire cage tapes are suggested to be used in the protective measures layout to enhance the stability of the slope and clean up the river channels during the dry season to ensure the smooth flow of water during the flood period. At the same time, root systems such as Populus simonii, Developed and adaptable plants stabilize the slope and prevent new soil erosion.