模拟因过度覆盖而导致的山体滑坡水故障,考虑到广泛的土壤侵蚀
Gangyong Song1, Tianlong Zhao2,3, Penghui Zhao4
1School of Infrastructure Engineering, Nanchang University, Nanchang, 330031, People's Republic of China. gysong_1975@163.com.
Scientific reports
|November 8, 2024
概括
这项研究引入了滑坡水故障的新模型,改善了洪水灾害预测. 该模型准确地计算了广泛的土壤侵蚀,这对于应急规划至关重要.
科学领域:
- 地质工程是地质工程.
- 水文学的水文学
- 管理自然灾害的管理.
背景情况:
- 滑坡水带来严重的洪水风险,需要准确的故障预测.
- 现有的模型往往忽略了广泛的土壤对侵蚀计算的影响.
研究的目的:
- 开发一个新的数学模型,用于防滑大覆盖失败.
- 通过考虑颗粒隐藏和暴露在广泛等级的土壤中,增强侵蚀计算.
主要方法:
- 提出了一个3D相对暴露公式,用于广泛分级的土壤.
- 导出初始速度并建立一个超标故障模型.
- 开发了一个数值解决方案过程,用于模型的融合.
主要成果:
- 对唐家山滑坡大的模型验证显示<10%的错误.
- 新型号在精度上胜过现有型号.
- 对Baige和Yigong山体滑坡水的模拟表明了合理的一致性.
结论:
- 开发的模型准确地预测了山体滑坡大的故障,特别是对于广泛分级的材料.
- 梯度宽度显著影响破裂流动力学和最终破裂大小.
- 整合广泛的分级对于可靠的山体滑坡大故障分析至关重要.
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