摘要
中巴喀喇昆仑公路(简称中巴公路)所处高山峡谷冰川地带,区域构造复杂、地势险峻、气候多变、冰川活跃,地形、地质与水文等工程地质条件极其恶劣,公路沿线雪崩、泥石流、坍方、滑坡、岩崩等冰川成因的地质灾害频发。自1979年通车以来,中巴公路地质病害严重,处于半年通行状态。中巴公路改扩建项目(雷科特大桥-红其拉甫山口)2008年动工,由中国政府援建,将着眼于改善行车路况和地质灾害治理。由于地缘政治与科研条件的限制,国际上对中国公路沿线地质灾害研究并不多见。该文总结5年野外工作成果和资料,尝试对中巴公路地质灾害发育背景、类型、分布规律和发育特征等方面提供总结与评估。
China-Pakistan international Karakoram Highway（ KKH） goes through valley floors of glacialized western Karakoram-Himalaya Mountain（ Trans-Himalaya）,which is characterized by clustering of active surge-type glaciers,conspicuous regional tectonic movement,marked extremity of slope relief,diverse meteorology varied with altitudes of valley slopes and localized geomorphology.Owing to geo-hazards overwhelming KKH,it is so bad for transportation that it has served only for summer period of a year since it put into use in 1979.The KKH Improvement Project（ Thakot Bridge-Khunjerab Pass） entirely aided by Chinese Government was launched in 2008 in order to improve transportation condition and control geo-hazard.Research on geohazard along KKH is seldom documented due to geopolitics restriction on access to field work at Northern Pakistan.By efforts of last five years,geohazards along KKH are outlined as to its geo-environment settings,types,distribution and characteristic.
出处
《灾害学》
CSCD
北大核心
2014年第3期81-90,共10页
Journal of Catastrophology
基金
交通部西部交通建设科技项目“中巴喀喇昆仑公路环境保护与地质灾害防治关键技术研究”(2008 318 221 56)
国家自然科学基金面上项目“砾石土孔隙水压力临界波动现象与泥石流起动”(41071058)
关键词
中巴公路
地质灾害
灾害背景
分布
特征
China-Pakistan international Karakoram Highway（KKH）
geo-hazard
geo-environment settings
distribution
characteristic
