问答题
发布日期:2020-12-11
过堰水流方向与泄槽轴线方向一致的开敞式溢洪道。开敞式溢洪道通常主要是指正槽式溢洪道由进水渠、控制端、泄槽、消能工和泄水渠组成。
滥洪道泄槽是指开敞式溢洪道的控制段与消能工之间的泄水渠道,又称陡槽。泄槽主要由槽底板和两侧的边墙组成。泄槽中的水流为高速急流,易产生水流掺气、脉动压力、空蚀等高速水流现象,当断面变化或有弯道时易产生冲击波,常需采取相应的保护或改善措施。
陡槽溢洪道(chute spillway),急流式泄槽轴线方向与过堰水流方向一致的溢洪道。
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