山区公路泥石流水毁灾害研究现状与趋势

发布时间：2018-03-20 13:15

本文选题：道路工程　切入点：研究现状　出处：《重庆交通大学学报(自然科学版)》2014年05期 　论文类型：期刊论文

【摘要】：公路泥石流水毁灾害是我国山区公路建设与养护的重大地质灾害类型,具有出现频率高、分布范围广、灾情严重等基本特性。基于对国内外研究文献的检索和分析,山区公路泥石流水毁灾害研究现状可概化为4个方面,即公路水毁机制、泥石流动力学、公路水毁危险性评价和公路水毁防治技术,详细梳理了每方面的研究进展;基于山区公路泥石流水毁灾害减灾需求,指出了现有研究存在的薄弱环节,如泥石流磨蚀作用及泥石流沉积物固结机理、泥石流淤埋路段、沿河公路路基缺口部位公路交通应急通行技术、沿河公路路基及桥涵水毁力学机制;提出了进一步实施山区公路泥石流水毁灾害防灾减灾研究的4个方向,即泥石流复杂介质动力学特性、沿河公路路基及桥涵水毁机制、公路水毁路段应急通行技术、公路泥石流水毁灾害应急安全警报方法、系统与设备,详细解读了每个研究方向的主要思路。
[Abstract]:Highway debris flow disaster is a major geological hazard type of highway construction and maintenance in mountainous area of China. It has the basic characteristics of high frequency, wide distribution and serious disaster. The present situation of research on debris flow damage in mountainous area can be generalized into four aspects, namely, the mechanism of highway water destruction, the dynamics of debris flow, the risk assessment of highway water damage and the prevention and control technology of highway water damage, and the research progress in every aspect is summarized in detail. Based on the demand for disaster reduction of debris flow in mountainous area, the paper points out the weak links of existing research, such as debris flow erosion, the consolidation mechanism of debris flow sediment, and the buried section of debris flow. The highway traffic emergency passage technology, the mechanics mechanism of water destruction of roadbed and bridge and culvert along river highway, and the four directions of further research on disaster prevention and mitigation of highway debris flow disaster in mountainous area are put forward. That is, the dynamic characteristics of the complex medium of debris flow, the mechanism of water destruction of roadbed and bridge and culvert along the river, the emergency passage technology of highway section destroyed by water, the method, system and equipment of emergency safety warning of highway debris flow disaster. The main ideas of each research direction are explained in detail.
【作者单位】：重庆交通大学岩土工程研究所;
【基金】：国家自然科学基金项目(41071017) 中国博士后科学基金项目(200902288,20080430095)
【分类号】：U418.54;U418.56

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