天府新区排水设计重现期研究

Study on the Drainage Design in Recurrence Interval of Tianfu New Area

重现期雨水管渠设计的核心重要参数，直接影响着工程造价及区域排水能力。本文对比分析了天府新区与国内外城市排水重现期差别，分析了排水重现期取值的经济性和合理性。

The core important parameter of the design of rainwater pipes channel in recurrence interval directly afects project cost and regional drainage ability. The paper compared and analyzed the difference between Tianfu district with the domestic and foreign city in drainage recurrence interval and analyzed the values and economic rationality in drainage recurrence interval.