【摘要】 上游法尾矿库利用库内尾矿堆筑后期子坝,其库内尾矿在矿山生产期内长期处于欠固结状态,密实度较低,结构松散,对地震作用非常敏感,在地震作用下极易出现液化区,导致坝体失稳。结合某一上游法筑坝的尾矿库工程研究项目,分析余震动对尾矿坝的稳定性影响,所得成果可以为类似尾矿坝工程抗震设计和研究提供参考。更多还原

【Abstract】 The upstream construction method of tailing dams uses the tailings in the reservoir to construct the later-period sub-dam.As the tailings in the reservoir is in under-consolidated state and has low density and loose structure during the mine production period,it is very sensitive to seism and very easy to liquefy due to seismic effect,leading to the instability of dam body.In combination with a research project of a tailing dam adopting upstream construction method,the impact of after-shock on the stability of tailing dam is analyzed,with the results being reference to the seismic design of similar tailing dam projects.更多还原