红土山隧道塌方事故原因分析和处治方法研究

发布时间：2018-04-25 08:06

本文选题：公路隧道 + 塌方机理　；参考：《重庆交通大学》2015年硕士论文

【摘要】：随着我国经济的飞速发展,基本建设的投入也越来越大了,在这些建设中隧道的建设尤为突出也是尤为重要的。在隧道的建设中,塌方是最常见到的事故之一,塌方容易造成人员伤亡、延误工期、工程费用的增加以及施工单位信誉的降低等,造成了巨大的经济损失以及社会影响。因此,对隧道塌方发生的机理以及塌方发生后的处治措施的研究是十分有意义的。本文以红土山隧道塌方为研究对象,从地质因素、水文因素、设计因素、施工技术因素等方面系统的分析了塌方发生的机理,并对塌方后处治措施进行了系统的总结和分析,论文主要研究工作和成果如下：(1)通过查阅大量公路隧道塌方案例的统计分析,对公路隧道塌方灾害进行了系统的分类,并分析归纳出隧道塌方的主要影响因素与预防措施。(2)以红土山隧道塌方为案例,针对本工程的实际情况,结合现场监测数据详细分析了塌方形成过程中洞周位移变化规律,并对整个塌方的过程作出了详细的描述和分析。(3)以及根据红土山隧道塌方的特点,本文采用了ANSYS软件,对红土山隧道塌方典型断面进行了数值模拟分析,全面分析了地质因素、水文因素、施工因素对塌方的影响。(4)根据塌方发生的原因和特点,提出合理的处治措施及建议,并对加固处理后的隧道的监测数据进行分析,对加固处理后的效果进行系统的评价。
[Abstract]:With the rapid development of economy in our country, the investment of capital construction is more and more large, and the tunnel construction is especially important in these construction. In the construction of tunnel, collapse is one of the most common accidents. It is easy to cause casualties, delay the construction period, increase the project cost and reduce the reputation of the construction unit, causing huge economic losses and social impact. Therefore, it is of great significance to study the mechanism of tunnel collapse and the treatment measures after collapse. Taking the collapse of Hongtuishan tunnel as the research object, this paper systematically analyzes the mechanism of collapse from geological factors, hydrological factors, design factors, construction technical factors and so on, and makes a systematic summary and analysis on the treatment measures after collapse. The main research work and results are as follows: (1) based on the statistical analysis of a large number of highway tunnel collapse cases, the disaster of highway tunnel collapse is systematically classified. The main influencing factors and preventive measures of tunnel collapse are analyzed and concluded. (2) taking Hongtushan tunnel collapse as a case, in view of the actual situation of the project, combined with the field monitoring data, the variation law of displacement around the hole during the formation of the collapse is analyzed in detail. The whole process of collapse is described and analyzed in detail. (3) according to the characteristics of collapse in Hongtuishan tunnel, the typical section of collapse in Hongtuishan tunnel is simulated and analyzed by ANSYS software, and the geological factors are analyzed comprehensively. According to the causes and characteristics of the collapse, the reasonable treatment measures and suggestions are put forward, and the monitoring data of the strengthened tunnel are analyzed. The effect of reinforcement treatment is systematically evaluated.
【学位授予单位】：重庆交通大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U458.3

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