JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2009, Vol. 39 ›› Issue (5): 144-148.

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Research of 1／3 dam breach simulation and personnel evacuation scenario based on digital elevation model DEM in a quake lake

 SHI Wen-Hua, LIU Wei-Dong, SUN Yong-Fu   

  1. Basic Training Department, Second Artillery Engineering University, Xi’an 710025, China
  • Received:2008-10-18 Online:2009-10-16 Published:2009-10-16

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Abstract:

The model of flow flood velocity, the region submerged by flood water and the flood arrived time at the submerged region when 1／3 dam breach happened in a quake lake were erected. According to this model, the DEM and MATLAB wereutilized to simulate the submerged region and establish the personnel evacuation scenario of the people downstream of the Tangjiashan quake lake of the Wenchuan earthquake. A quantized method in urgency of personnel evacuation was put forth, which could provide data sustainment to the army and related authorities. Finally, the deficiencies such as data shortage and effectiveness wicked in short time emergency risk quake lake assessment were pointed out by the accuracy evaluation.

Key words: DEM; quake lake; 1／3 dam breach; personnel evacuation scenario

CLC Number: 

  • TP391.9
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