The sediment model tests for the desilting bottom intakes of two hydropower stations are introduced herein, in which a new combined type of " grid desilting gallery + desilting bottom intake " ( grid desilting bottom intake ) is put forward 文中介紹了2個(gè)電站進(jìn)水口排沙底孔的泥沙模型試驗(yàn)情況,提出了一種新的“格柵式排沙廊道排沙底孔”的組合型式(簡(jiǎn)稱格柵式排沙底孔),取得了理想的排沙效果,較好地解決了工程實(shí)際問(wèn)題。