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近几年来,随着公路建设的迅速发展,公路水毁损失也十分严重。据统计,平均每年的水毁损失为近亿元人民币.给国民经济带来了不良影响。“百害水为先”。在危害公路的众多因素之中,水是主要的自然因素之一。水的作用会加剧路基路面结构的破坏,加快路面使用性能的恶化,缩短道路的使用寿命。因此公路排水是公路工程的重要组成部分。
In recent years, along with the rapid development of highway construction, the loss of highway damage is also very serious. According to statistics, the average annual water damage losses to nearly 100 million yuan, has brought adverse effects on the national economy. “Hundreds of water for the first ”. Among the many factors that endanger roads, water is one of the major natural factors. The role of water will exacerbate the destruction of the roadbed structure, speed up the deteriorating performance of the pavement, shorten the service life of the road. Therefore, highway drainage is an important part of highway engineering.