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地质学报  2001 

云南省东川市深沟泥石流堆积动态模拟及减灾效益评估

, PP. 138-143

Keywords: 泥石流数值模拟灾害云南减灾效益堆积有限差分

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Abstract:

笔者以云南省东川市深沟泥石流为研究对象,根据质量守恒和动量守恒原理,建立了泥石流堆积过程数学模型,运用数值方法的有限差分原理求解,并针对泥石流运动的实际特征,模拟其堆积动态过程。以此结果为基础,分析评价了深沟泥石流灾害的危险范围和程度,结合分类统计评价危险区的各类资产价值,分析评估了在2%频率条件下可能造成的灾害损失,对比防灾工程措施及其造价进行效益分析,提出了有关对策建议。

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