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요약정보
基于DAN3D的五花海泥石流运动过程模拟研究 / Study on the Simulation of Debris Flow Movement Course in Wuhuahai Based on DAN3D
Resource Type
Academic Journal
Authors
盛豪
;
胡卸文
;
熊冲冲
;
SHENG Hao
;
HU Xiewen
;
XIONG Chongchong
Source
四川水力发电 / Sichuan Water Power
. 39(3):11-93
Subject
九寨沟地震
泥石流
DAN3D
数值模拟
Language
Chinese
ISSN
1001-2184
Online Access
Find it @ DONGA
초록
2017年8月8日九寨沟景区发生7.0级强烈地震,地震诱发景区内多处崩塌、滑坡、泥石流等地质灾害.五花海泥石流沟口正对五花海景点,地震诱发沟域内产生大量崩滑、震裂松散物源,一旦遇到强降雨,可能形成泥石流冲出沟口,对五花海景观造成强烈破坏.本文通过DAN3D软件对泥石流进行数值模拟,预测了泥石流50 a与100 a一遇的运动过程,可以得知50 a一遇工况下泥石流不会大量冲出,少量冲出泥石流会对栈道构成一定威胁.100 a一遇工况下,泥石流浆体大量涌出,泥沙大量冲入五花海,会对五花海景观水质构成严重威胁.根据模拟结果,提出了"拦挡物源、围堰停淤、拦水过滤"的防治建议.
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