HECRAS在溢洪道水面线计算中的应用侯艳.pdfVIP

28 　4 　　　　　　　　　　　　　　　　　　　　YUNNAN WATER POWER 33 HEC-RAS , (, 　610041) 　:HEC-RAS , 。 HEC-RAS , , 、 , 。 :HEC-RAS;;; :TV651.1;TV 131.4　　　:A　　　:1006-3951(2012)04-0033-03 DOI:10.3969 j.issn.1006-3951.2012.04.010 Application of HEC-RAS to Calculation of Water Surface Profile of a Spillway HOU Yan, WANG Lon (Sichuan Yuanhe Hydro Plannin and Desi n Consultin Co., Ltd., Chen du 610041, Sichuan, China) Abstract:HEC-RAS is a software which has widely been used in calculation of river channel water surface profiles at home and abroad, but not in calculation of spillway water surface profiles for medium and small size water reservoirs.The comparison made between the HEC-RAS based calculation results and the traditional water surface profile calculation re- sults for the practical en ineerin projects shows that the calculation of spillway water surface profiles usin HEC-RAS software is quicker and more precise, and in addition more results such as flow velocity and water head could be ob- tained.Therefore it can be spread and used in the future desi n. Key words:HEC-RAS;Spillway;water surface profile;water depth calculation in sections 0　 1　HEC-RAS HEC-RAS HEC-RAS , , 、 。, HEC-RAS () [3] 。 、 。 , 、 , , , 、, [1] 。 、、、 , , [2] [4] , , 。 , HEC-RAS 。 , 。 HEC-RAS (Fr1)(Fr HEC-RAS , , 1)(Fr =1)3 。 , , , 。