溜砂坡是在特定的地形、地质和气候条件下形成和演化的斜坡重力侵蚀的一种特殊类型.常对公路、铁路、渠道等线路工程构成危害.本文以川藏公路西藏境内中坝段为例,从溜砂坡的分布、基本特征入手,通过现场测试和室内试验,研究溜砂坡的形成、演化规律和防治对策与措施.

Sand-sliding slope is one special kind of gravity weather, which occurred under the given condition of landform, geology and climte, and which usually endanger serverly road, railway and channel. By the way spot survey, test and room model the paper select Road chuanxang in Tibet as sample and start with basic feature, forming and distributing law to study evaluative law of Sand-sliding slope and fast countermeasure.