摘要
国道212线(兰州—重庆)是连接我国西北与西南地区的重要通道,但其通过的陇南地区是我国滑坡的主要发育区,滑坡的危害非常严重,且近年活动的频率和强度有加剧的趋势。控制滑坡分布的主要因素有地形地貌、地层岩性、地震、降雨及人类活动。
National highway 212 is an important passage to connect the Northwest with the Southwest of our country. Along with economic development original highways haven't already met the demands. National highway 212 is placed on the agenda. But the passed Longnan region is the main growth area of landslide in our country, the disserve of the landslide is very serious, the frequency and intension in recent years are showing a tendency to aggravate. The main factors that control landslide distribution are the geography and landforms, strata and rock type, earthquake, rainfall and human activity.
出处
《西部探矿工程》
CAS
2005年第5期196-198,共3页
West-China Exploration Engineering
关键词
国道212
陇南
滑坡
分布特征
控制因素
National highway 212
Longnan
landslide
distribution characteristics
controlling factor
