吕蒙大桥对昌江景德镇市区河段洪水与防洪影响分析

On the Influence of Lvmeng Bridge on the Flood Control of a Reach of Changjiang River in Jingdezhen City

依据昌江景德镇市区河段防洪工程及其防洪功能现状,采用对昌江中游渡峰坑水文站1952~2010年共59年洪水监测系列资料和1884、1916和1942年3个历史洪水调查资料,并结合渡峰坑水文站下游鲇鱼山闸设计资料,计算分析了20年一遇和100年一遇两种频率洪水吕蒙大桥对昌江景德镇市区河段洪水的影响。

Considering the functions and the current status of the flood control works of the Changjiang River reach in Jingdezhen City,the influence of Lvmeng Bridge on the flood in this river reach is analyzed.The analysis is based on the flood monitoring data of 59 years from 1952 to 2010 that collected in Dufengkeng Hydrometric Station,the investigation data of three historical floods in 1884,1916 and 1942,and the design documents of Nianyushan Sluice downstream of Dufengkeng Hydrometric Station.More specifically,two typical floods of 20-year and 100-year return periods are analyzed.