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泥石流综合防治及防治工程信息系统

Comprehensive Control and Countermeasure Information System of Debris-Flow

【作者】 陈晓清

【导师】 崔鹏;

【作者基本信息】 西南交通大学 , 防灾减灾工程及防护工程, 2002, 硕士

【摘要】 泥石流是一门新兴的边缘学科,其研究内容和学科体系尚处于不断探索和完善的阶段。泥石流防治是一门应用性很强的泥石流分支学科,与土木工程学和环境保护学的关系密切。 由于泥石流的复杂性,对其特点深入理解尚在探索之中。本项研究总结泥石流防治的基本理论和技术,通过文献分析和野外实地调查,总结了泥石流防治的现状。提出了泥石流防治需解决的问题,主要选择3个具体问题作深入研究: (1)系统比较了梯型槽和V型槽。分析了西部地区约50余处有代表性的泥石流防治工程实例,分别从设计要点、投资概况、运行效果进行阐述,得出了适合两种槽应用的情况,以供以后排导槽设计参考。 (2)在国内首次引入GIS使用间接指标法进行泥石流危险度区划。以往人工进行泥石流危险度区划费时费力,用GIS来做区划,简便、合理和细化。在泥石流资料较缺乏的地区,用间接指标进行泥石流危险度区划,对评价泥石流活动性有重要意义。本区划结果与泥石流分布数据比较,80%以上符合。改进数据和区划模型后会取得更好的效果。该方法可以推广,如滑坡危险度区划、泥石流区域预测等。 (3)搭建了泥石流防治信息系统框架。首先标准化泥石流防治工程信息,确定23个属性,对收集约50余个泥石流防治工程的基本资料进行整理,选出了其中21条泥石流沟建立泥石流防治工程数据库。在数据库的基础上,集成泥石流沟照片及相关图件,建立信息系统,实现了地理数据可视化、专题查询和专题制图等功能,并预留扩展地理分析功能模块的接口。 在上述基础上可以建立泥石流综合防治模式,为非专业设计人员提供指导,也为专业设计人员提供一种评价参考。

【Abstract】 Debris flow is a new interdiscipline, themes of which have been continually explored. Studies of debris flow mitigation emphasize the application and have close relation to civil engineering and environment-protection.Due to the complexity, the essentials of debris flow are hard to be completely understood. In the paper, the basic theory and technique, present mitigation situation are summarized on the base of field investigation and documents. Three problems are specially selected out at present to study in details, specifically,(1) Systematic comparison between ladder-shaped groove and V-shaped groove. On the base of the data from over 50 debris-flow control works in the western China, the design elements, investment and operation function are discussed. The conclusion and advices can find their applications in designing in the future. .(2) GIS is first applied in China to regionalize debris-flow danger degree by using the model based on indirect index method. Traditionally, artificial regionalization expends much manpower and money, and the proposed GIS method is more easy and effective.’In regions lack of data directly concerning distribution of debris flows, this method is suitably to evaluate debris-flow’s activity. Comparison between the resulted divisions and the actual distribution of debris flows shows a good agreement up to 80%. Through optimizing the model, better result will be gained. The method can also be used in regionalizing landslide and forecasting debris flow.(3) Establishment of the frame of countermeasure information system of debris flow. Data involved in the system is standardized in the first place, and all the data are divided into 23 groups such as location, area, and channel length of debris-flow basin. Countermeasure data from 21 debris-flow basins, selected out from 50 studied basins, are used in the information system. In the system, many types of data are integrated. Visualization of geographic information, topic inquiry and topiccartography are implemented. At last, interface for geography analysis module is provided.

  • 【分类号】P642.22
  • 【被引频次】18
  • 【下载频次】1280
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