我院市政设计室给排水组在设计吉山铁矿输水工程中,成功地设计了跨度40米、直径700毫米无支架输水过河管。这是采用了管子自身的拱曲为支架。经使用二年多来,效果良好。拱形输水管经历几次暴风,未发现任何变动。证明拱形输水管是可靠的。拱形输水管的设计,改变了过去传统做 Water Supply and Drainage Unit of Municipal Design Office of our hospital In the design of water supply project of Jishan Iron Mine, we successfully designed a pipe span of 40 meters and a diameter of 700 mm without bracket. This is the use of the pipe itself as the brackets arch. After using more than two years, the effect is good. Arch pipe experienced several storm, did not find any change. Proved arch pipe is reliable. Arched pipes have changed the traditional design of the past