防洪保护区溃堤洪水模拟分析
发布时间：2018-09-08 14:24
【摘要】：为降低堤防溃决造成的重大生命财产损失,基于MIKE软件建立东鱼河南片(苏)防洪保护区一、二维水动力耦合模型,沿复新河堤防设置溃口1和溃口2,模拟复新河遭遇20 a一遇和50 a一遇洪水以及同频率暴雨下单个溃口的溃堤洪水在防洪保护区内的演进。对溃口流量过程、洪水演进图、最大淹没水深图进行分析,结果表明:随着溃堤洪水量级增大,淹没程度提高;同频率来水条件下,位于地势较低处的溃口1产生洪水的风险更大,是防洪的重点。
[Abstract]:In order to reduce the great loss of life and property caused by the breakage of the embankment, a hydrodynamic coupling model of Dongyu Henan Pian (Su) Flood Control Reserve was established based on MIKE software. Along the embankment of Fuxin River, the breakers 1 and 2 are set up to simulate the course of embankment flood in flood protection area of Fuxin River, which is subjected to once in 20 years and once in 50 years, as well as to the breakwater flood with the same frequency of torrential rain. The flow process of breakwater, flood routing map and maximum submerged depth chart are analyzed. The results show that with the increase of flood magnitude, the degree of submergence increases, and under the condition of the same frequency of water coming from water, the degree of submergence increases with the flood magnitude of breakwater break. The flood risk of crater 1 at the lower level is greater, and it is the focus of flood control.
【作者单位】： 河海大学水文水资源学院;临沂市水文局;
【基金】：国家自然科学基金面上项目(41471014) 国家社会科学基金资助项目(2012&ZD214)
【分类号】：TV122;TV87
本文编号：2230784
[Abstract]:In order to reduce the great loss of life and property caused by the breakage of the embankment, a hydrodynamic coupling model of Dongyu Henan Pian (Su) Flood Control Reserve was established based on MIKE software. Along the embankment of Fuxin River, the breakers 1 and 2 are set up to simulate the course of embankment flood in flood protection area of Fuxin River, which is subjected to once in 20 years and once in 50 years, as well as to the breakwater flood with the same frequency of torrential rain. The flow process of breakwater, flood routing map and maximum submerged depth chart are analyzed. The results show that with the increase of flood magnitude, the degree of submergence increases, and under the condition of the same frequency of water coming from water, the degree of submergence increases with the flood magnitude of breakwater break. The flood risk of crater 1 at the lower level is greater, and it is the focus of flood control.
【作者单位】： 河海大学水文水资源学院;临沂市水文局;
【基金】：国家自然科学基金面上项目(41471014) 国家社会科学基金资助项目(2012&ZD214)
【分类号】：TV122;TV87
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