The river kerf is simulated to trapezoidal or triangular section according to its width and the broad crest weir theory is used to formulate hydraulic elements calculating model in the period of the Changjiang river closure of the Three Gorges Project.
介绍了三峡工程大江截流的特点；根据龙口宽度的大小将其处理为梯形或三角形断面，并分别应用宽顶堰理论，建立了大江截流期龙口水力学要素计算模
The discrimination method of downstream water pattern from broad crest weir in flat sluice was developed in this paper.
给出平板闸孔宽顶堰下游出流形式的简化判别方法。
Three dimension Numerical simulation of overflow and analysis in broad crested weir;
三维宽顶堰紊流场数值模拟及分析
This paper introduces the general situation and the topographical-geological conditions of the spillway, analyzes and compares the broad crested weir scheme and hump weir scheme, and recommends four-hole broad crested weir scheme and 747.
介绍了溢洪道基本概况和地形地质条件,分析和比较了宽顶堰方案、驼峰堰方案,推荐4孔宽顶堰方案和747。