Discussion on Construction of River Training Engineering of the Lower Yellow River Under the New Situation
River training works of the Lower Yellow River were tested by the historically rare autumn flood in 2021.Based on the analysis of engineering design and management,it is believed that changes in water and sediment conditions,reduced design flow rate of control and navigation engineering,river cutting,increased flat flow rate,and large-scale rescue machinery and equipment are the reasons for the prob-lems of the river training works exposed during flood,such as insufficient dam crest height,insufficient root stones,insufficient length of pro-tective sections,and insufficient traffic capacity of rescue roads.Some countermeasures and recommendations were advised to avoid the occur-rence of similar problems.
river training worksmoderate to normal floodLower Yellow River
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