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由于具有突发性、危害性大等特点,崩塌落石病害一直为山区既有线路病害防治中的重点。以既有襄渝线王家沟隧道工程为背景,在既有线崩塌落石病害采用棚洞结构进行防护方面做了一些新的尝试,解决了既有线与临近增建二线相邻且间隔较大条件下崩塌落石病害防护工程综合设计技术问题,可为我国山区铁路崩塌落石灾害防护治理工程提供有益的参考和借鉴。
Due to the characteristics of being sudden and harmful, collapse and rockfall diseases have always been the key points in the prevention and treatment of existing line diseases in mountainous areas. Based on the existing Wangjiagou Tunnel Project of Xiang-Yu Line, some new attempts have been made to adopt the shed-hole structure for the prevention of landslide-rock diseases in existing buildings, and to solve the problem that existing and adjacent buildings are adjacent to each other with relatively large intervals Collapse rockfall disease protection project comprehensive design technical problems, can provide a useful reference and reference for the mountainous area of China railway collapse collapse prevention and treatment project.