[1]罗龙洪,苏长城,应 强,等.长江扬中河段指南村窝崩原因分析[J].江苏水利,2019,(增刊2):65-69+80.
　LUO Longhong,SU Changcheng,YING Qiang,et al.Analysis on the causes of arc collapsing in Zhinan Village Yangzhong Reach of the Yangtze River[J].JIANGSU WATER RESOURCES,2019,(增刊2):65-69+80.
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长江扬中河段指南村窝崩原因分析()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年增刊2
页码:
65-69+80
栏目:
水文水资源
出版日期:
2020-03-11

文章信息/Info

Title:
Analysis on the causes of arc collapsing in Zhinan Village Yangzhong Reach of the Yangtze River
文章编号:
1007-7839(2019)S2-0065-05
作者:
罗龙洪1;  苏长城1;  应 强2;  袁文秀1
1.江苏省水利工程规划办公室, 江苏 南京 210029; 2.南京水利科学研究院, 江苏 南京 210029
Author(s):
LUO Longhong1;  SU Changcheng1;  YING Qiang2;  YUAN Wenxiu1
1.Jiangsu Water Conservancy Project Planning Office, Nanjing 210029 Jiangsu; 2.Nanjing Hydraulic Research Institute, Nanjing 210029, Jiangsu
关键词:
长江;  窝崩;  原因;  分析
Keywords:
the Yangtze River;  arc collapsing;  cause;  analysis
分类号:
TV11
文献标志码:
B
摘要:
2017年11月8日发生在长江扬中河段指南村附近的窝崩,造成了400多米主江堤坍塌的险情。归纳了现有窝崩机理的三种观点,指出了各观点的不足之处; 分析了指南村窝崩前水文条件及河床地形变化,结合地勘资料,认为水流挟沙量不足,水流与河岸交角较大,造成了河床局部持续冲深,深泓贴岸,岸坡变陡,遭遇到稳定性差的河岸地质时,导致窝崩的发生。
Abstract:
On November 8, 2017, the arc collapsing near the Zhinan Village in the Yangzhong Reach of the Yangtze River, resulted in the collapse of the main river embankment of more than 400 meters. Three views on the mechanism of arc collapsing were summed up and the shortcomings of each view was pointed out. The hydrological conditions and the change of riverbed topography before the arc collapsing in Zhinan Village were analyzed. Based on the geological survey data after considering that the flow carried less sand and the angle between the flow and the bank was large, which resulted in the local continuous scouring depth of the river bed, the thalweg closing to the bank, the bank slope becoming steep. Therefore, when the stability of bank geology was poor, the arc collapsing occurred.

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备注/Memo

备注/Memo:
收稿日期:2019-04-22
基金项目:国家重点研发计划资助项目(2018YFC0407302,2018YFC0407402); 国家自然科学基金资助项目(51779148,51679147,51579151); 江苏省水利科技项目(2018021
作者简介:罗龙洪(1973-),男,硕士,高级工程师,主要从事水利规划、长江治理保护等工作。
更新日期/Last Update: 2019-12-31