长江中下游崩岸险情类型及预测预防

Forecast and Prevention Measurement on Some Kinds of Bank Collapses in the Middle-Lower Reach of the Yangtze River

本文针对长江中下游崩岸现象,指出主要有侵蚀型、坍塌型、滑移型和流滑型等4种类型,并分析各类崩岸险情特征及其形成条件,有针对性地提出崩岸险情的预测、预防措施,包括水文、近岸河床地形、水文地质、外观和人类活动等内容的监测,以及河势分析、地质调查、近岸地形分析、水文条件分析、外观检查等方面的预测预防措施,为有关部门制定防洪减灾和河道治理工程决策提供参考。

Toward occurrence of bank collapses in the middle-lower reach of the Yangtze River,four types of them,that is erosion type,crash type,slippage type and flow-slide type,were pointed out,and analysis on feature and occurred condition of each one was done.Providing a reference for decision-making of calamity reduction and improvement project,some forecast and prevention measurements on them,including monitor of river hydrology,morphology near bank,geological structure,bank outward aspect and human activity,pre...