[1]游勇,程尊兰.西藏波密米堆沟泥石流堵河模型试验[J].山地学报,2005,(03):288.
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西藏波密米堆沟泥石流堵河模型试验()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2005年03期
页码:
288
栏目:
山地学报
出版日期:
2005-06-28

文章信息/Info

作者:
游勇;程尊兰
中国科学院水利部成都山地灾害与环境研究所;中国科学院水利部成都山地灾害与环境研究所 四川成都610041 ;四川成都610041
关键词:
泥石流; 堵溃; 模型试验
文献标志码:
A
摘要:
通过室内模型试验,对西藏波密米堆沟不同类型、不同规模的泥石流与主河不同频率洪水遭遇情况下,泥石流堵塞主河及溃决可能性,泥石流、洪水的危害模式进行了研究。米堆沟泥石流堵河模型试验结果表明,不同类型、规模泥石流进入主河与不同规模洪水遭遇,在交汇口表现出不同的堵溃特征;频率P=5%,重度12.74kN/m3,试验流量4.50l/s的水石流在主河仅暂时阻水,不会对主河产生堵塞和溃决;频率P=2%,重度14.70kN/m3,模型流量8.01l/s稀性泥石流会部份阻塞主河道,瞬间完全阻塞及溃决现象不会出现;频率P=1%,重度16.66kN/m3,模型流量10.21l/s泥石流,对主河造成较为严重阻塞,但不...

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更新日期/Last Update: 2005-06-28