Consideration of Dam Safety after Wenchuan Earthquake in China

Abstract eng:
In this paper in view of the dam safety some special features of the Wenchuan Earthquake on May12,2008 in China are noted. The damages and behavior of dams, especially for the 4 dams with a height over 100m, in the area affected by the earthquake are briefly described. The lessons corning dam safety learnt from the devastating quake are preliminarily drawn. As the seismic safety of high dams during strong earthquake is the problem caused wide attention around the would, some critical problems related to the dam construction in China are considered and discussed after the Wenchuan earthquake, such as: “Why the dam construction is necessary in China as a seismic country?”, “How to evaluate the seismic safety of high dams built in the western region of China with seismogenic structures?”, “Whether the reservoir impounding of the Zipingpu and the Three Gorges Projects could trigger the Wenchuan Earthquake?”, “What is the major challenge has to be faced for Chinese dam engineers of seismic aspects?”. Finally, the corresponding tactics with response to the challenge are suggested.

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