2-2 一、依输砂特性分類 (一) 河床质组成及运移特性 河床质(Bed Material)依其粒径大小可区分为砏土、砂、砾石、 卵石、块石等類别，如表 1.1-1 所示。
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文章详细信息 关键词： 计算公式;;中径;;床沙;;细沙河流 [gap=672]Keywords: calculation formula;medium size;bed material;fine sand river
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bed material load 底部物质负荷 ; 床沙质
bed material sampler 床沙采样器 ; 河床质采样器
inert bed material 惰性床料
bed material size 河床质粒径
river bed material 河床物质
The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data.
根据实测地形和水文泥沙资料，分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
The released flow from reservoirs carries less sediment load of bed material than pre? dam periods.
建坝后水库下泄水流挟带的床沙质含沙量减少，坝下游河床出现冲刷。
It has been proved, the bed material load, wash load and total load follow the same rule of carrying capacity.
证实了床沙质、冲泻质与全沙具有统一的挟沙能力。
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