Abstract
due to geological location and special landform, Yangzhong City often suffers from flooding of Yangtze River, typhoons and rainstorms, hence facing severe challenges in flood prevention. Meanwhile, with its rapid economic development and urban expansion, the population density increases within the levee, which imposes higher standards for levee safety. With modern information technology and introduction of the concept of whole-life cycle, a levee safety monitoring and early-warning system can be built to monitor the operation, provide technical support for safety management and operation.
Highlights
Zhenjiang City started initiatives to manage Yangtze River in the 1950s, and has initiated successively the “First-Phase Project of Zhenjiang Section of Yangtze
Under the subtropical monsoon climate, witnesses frequent rainstorms and strong wind in the plum rain season. As it is where Huai River joins the lower reaches of Yangtze River, it is subject to diverse natural climatic disasters like floods, tides and rainstorms of Yangtze River and Huai River, and has recorded floods frequently in history
Most parts of the Yangzhong Levee cracked, collapsed and 140 breaches occurred along the levee, leading to inundation of 27 towns including Xinba and Sanmao, and 25000 local residents were displaced
Summary
Zhenjiang City started initiatives to manage Yangtze River in the 1950s, and has initiated successively the “First-Phase Project of Zhenjiang Section of Yangtze. Because of uncertainties of external conditions and the project, the safety level changes with time and occurrence of such disasters as bank collapse, piping and overflow is random.
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