茄坑水库溃坝机理及模式分析  

Mechanism and Model Analysis of Dam Break of Qiekeng Reservior

作　　者：喻蔚然[1,2] 傅琼华[1,2] 马秀峰[1,2] 

机构地区：[1]江西省水利科学研究院,江西南昌330029 [2]江西省大坝安全管理中心,江西南昌330029

出　　处：《水电能源科学》2012年第7期62-64,共3页Water Resources and Power

摘　　要：分析了茄坑水库溃坝机理,并结合渗流稳定性、抗滑稳定性等影响溃坝的因素,推断出茄坑水库溃坝的主要路径为暴雨洪水—水位突升—渗流破坏(集中渗漏、接触渗漏)—大坝滑坡—形成小溃口—水流下切—冲沟、陡坎扩大加深—两侧土体失稳坍塌—溃口增大—溃坝,可供同类工程参考。The dam break mechanism of Qiekeng reservoir is analyzed. Combined with the influencing factors, such as seepage stability and stability against sliding, it deduces the main path of dam break is storm flood and reservoir water level rising rapidly, which leads to seepage destruction （concentrated seepage, contact seepage）. Then it produces dam landslide and small break is formed. So, water erosion makes the gully and steep ridge becoming wider and deeper, which causes bilateral soil instability and collapse. Finally, it leads to dam break. Therefore, the research results can provide reference for similar project.

关 键 词：溃坝 机理 模式 茄坑水库 

分 类 号：TV641.22[水利工程—水利水电工程]