Measurement of water flow in open channels Part 4: Measurement using flow gauging structures, Method 4.2: Rectangular broad-crested weirs
明渠水流测量第4部分:使用流量测量结构进行测量方法4.2:矩形宽顶堰
Specifies the requirements for the use of rectangular broad-crested weirs for the measurement of water flow in open channels under free flow conditions. It is technically identical with and reproduced from ISO 3846:1989.