在极端条件下对尾矿水库的超越大破裂进行实验研究
Changbo Du1, Han Tao2, Fu Yi1,3
1College of Civil Engineering, Liaoning Technical University, Fuxin, 123000, China.
Environmental science and pollution research international
|December 28, 2023
概括
在极端条件下的尾大断层具有破坏性,涉及逐渐突破透和扩张. 这个研究研究这个研究.
科学领域:
- 环境工程 环境工程
- 地质技术工程 地质技术工程
- 灾难科学 科学 灾难科学
背景情况:
- 尾大的故障带来了重大的环境风险,特别是在洪水或和等极端条件下.
- 了解覆盖式大破坏机制对于减轻生态损害至关重要.
研究的目的:
- 为了研究在极端条件下超标尾矿大破裂的机制和后果.
- 用缩放物理模型分析水破裂过程和沉积模式.
主要方法:
- 创建了一个复合模型沙子使用细粒度尾矿和珍珠岩.
- 建造了一个1:200尺寸的尾矿储模型.
- 在模拟极端条件下 (洪水,排水故障,和) 进行了覆盖式大破裂试验.
主要成果:
- 在尾矿释放过程中观察到高砂含量,强大的砂载能力和高排放速度.
- 模型沙子排放达到总储存容量的15.13%.
- 下游尾矿沉积量占排放量的95.21%,超过了之前的研究和事故.
结论:
- 尾大覆盖是一个渐进的故障,涉及突破透和水平扩张.
- 在床载荷和悬浮载荷状态之间发生的粒子运动过渡.
- 结果提供了关键数据,以加强尾矿储安全和环境保护措施.
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