Earth Dam Breaking: Mathematical Modeling and Application
Based on the four-stage earth dam breaking mechanism investigated, a mathematical model has been developed for the breach erosion simulation in earth dams. The model simu-lates the growth of a relatively small initial breach in the top of the earth dam and the devel-opment of the flow rate through the breach. Reservoir water balance, breach hydraulics,dam body erosion and breach development have been combined. The model has been calibra-ted with the data of four laboratory tests and tested to the data of other two laboratory tests,yielding fairly good agreement. Finally, application of the model to the emergent drainage of the quake formed Tangjiashan Dammed Lake in China gives results in good agreement with the observed maximum drainage flow rate and its occurring time.
Earth dam dam break mathematical modeling headcut erosion Tangjiashan dammed lake breach
Zhu Yonghui Lǖ Lijun
Changjiang River Scientific Research Institute, Wuhan 430010, China
国际会议
International Conference on Dam Safety Management(2008水库大坝安全管理国际研讨会)
南京
英文
399-402
2008-10-22（万方平台首次上网日期，不代表论文的发表时间）