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系统介绍川藏公路二郎山隧道西引道地质灾害的地质环境、发育分布特征 ,对典型滑坡、泥石流地质灾害的形成条件、成因、稳定状况、发展趋势及对引道公路的危害性作出分析和评价。根据不同地质灾害的特点 ,提出整治原则和相应的整治对策
This paper systematically introduces the geo-environment and development distribution of geological disasters in the West Approach Road of Erlangshan Tunnel of Sichuan-Tibet Highway. It also analyzes the formation conditions, causes, stable conditions, development trends of typical landslides and debris flow geological disasters and their harmfulness to the approach road Evaluation. According to the characteristics of different geological disasters, put forward the remediation principles and the corresponding remediation measures