水资源与水工程学报2017，Vol.28Issue(6)：74-78,5.DOI:10.11705/j.issn.1672-643X.2017.06.13
南京主城区设计暴雨计算研究
Study on design rainstorm in Nanjing main urban area
摘要
Abstract
Calculating the urban design rainstorm process scientifically and rationally is directly related to urban flood control safety. The paper took Nanjing as the research object, and the 1h average rainfall sam-ples of Nanjing from 1982 to 2015 were obtained based on annual maximum method. The paper selected the optimal function from the P-Ⅲ distribution function, the Gumbel distribution function and the exponential distribution function, and the distribution of surface rainfall in the main urban area was calculated based on the 1h rainfall sample of Nanjing Station. Based on the comparative analysis of the advantages and disadvan-tages of typical rainstorm schedule of different duration by the same ratio method and frequency method, the same frequency method was chosen to estimate the design process of rainstorm in the main urban area of Nanjing after 12h's different return period. The results show that the P-Ⅲ curve is the best, and the rain-storm time distribution obtained by the same frequency method is more in line with the requirements of flood control and drainage engineering. The research results can provide scientific basis for the design standard of urban flood prevention关键词
设计暴雨/最大值法/P-Ⅲ分布曲线/同频率法/南京主城区Key words
design rainstorm/maximum law/Pearson type Ⅲ curve/same frequency method/the main city of Nanjing分类
建筑与水利引用本文复制引用
沈红霞,杜付然,江海涛,李琼芳..南京主城区设计暴雨计算研究[J].水资源与水工程学报,2017,28(6):74-78,5.基金项目
国家自然科学基金项目(41171220) （41171220）
长江学者和创新团队发展计划项目(IRT13062) （IRT13062）
