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崩岸是长江汛期大堤最严重险情。 1998年长江特大洪水后期 ,宜都河段茶店岸坡崩岸直接威胁长江大堤安全。本文分析了长江宜都河段的环境地质条件 ,宜都河段河流地质作用的基本特征。系统研究了茶店崩岸的形成机制及稳定性分析 ,最后提出了岸坡崩岸防治措施。
Bank collapse is the most serious danger of the flood in the Yangtze River. In the wake of the extraordinary flood in the Yangtze River in 1998, the bank collapse of the teahouse in the Yidu River area directly threatened the safety of the Yangtze River embankment. This article analyzes the environmental and geological conditions of the Yidu section of the Yangtze River and the basic features of the river’s geological features in the Yidu section. The formation mechanism and stability analysis of tea bank collapses were systematically studied. Finally, the prevention and control measures of bank collapse were put forward.