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改革开放以来,特别是21世纪西部大开发战略的实施,广大中西部地区、边远山区公路建设迅猛发展,公路里程快速增长,公路畅通已成为这些地区经济发展和人民生活水平提高的先决条件。然而,每到雨季来临,这些地区的公路和桥梁洪水水毁以及洪水引发的地质灾害(滑坡、塌方、泥石流等)就一直都是公路交通的最大自然灾害。以云南省为例,随着山区公路建设的迅猛发
Since the reform and opening up, especially in the implementation of the strategy for the great development of the western region in the 21st century, the road construction in the vast central and western regions and the remote mountainous areas has witnessed rapid development with the rapid growth of highway mileage and the smooth passage of roads that have become the prerequisites for the economic development and improvement of people’s living standard in these areas. However, with each rainy season, floods of roads and bridges in these areas and flood-triggered geological disasters (landslides, landslides, landslides, etc.) have been the single largest natural disaster in road traffic. Take Yunnan Province as an example, with the rapid development of mountain highway construction