摘要
洛安江水库灌溉工程是贵州黔北万亩以上骨干工程之一，中华人民共和国成立初期建成。１９９１年＂７．５Ｆ＂洪灾，连续大暴雨，河水暴涨，倒灌暗河，产生高静、动水压力作用。岸坡岩体受不利结构面组合，发生顺层岩质滑坡，破坏干渠，严重影响灌溉。本文根据滑坡破坏情况，对滑坡产生的地质环境、滑坡特征、滑坡形成机理（滑坡形式和破坏机理，各种稳定性分析与评价），以及产生滑坡原因进行了初步分析。
Luoanjiang Irrigation-Reservoir Engineering Project was built during the first years after the foundation of P. R. C.,it is the one of the main water channels for irrigating more ten thousand mu land in the northern Guizhou,'The 7.5 Flood Hazard'occurred in 1991 due to the extreme storm, river in spate,and underground stream back flow, resulting in high kinetie pressure. The bank slope and rockmass in which the unfavorable structural faces occur have undergone to on-beding landslide, blocked the mian channel and affected the inigation system seriously. The article analyses and evaluates the effects.of the landslide,its geological environment,structural features,the formation mechanism(landslide pattern and failure mechanism)and rockmass stability,as well as the genesis of landslide.
出处
《工程地质学报》
CSCD
1995年第1期86-91,共6页
Journal of Engineering Geology
关键词
洛边江干渠
老菁湾
滑坡
形成机理
水库
Luoanjiang main channel,Laojingwan landslide,Formation mechanism.
