丽攀高速公路项目施工安全风险管理的研究

发布时间：2019-05-10 00:23

【摘要】：随着我国社会经济的跨越式进步,私家汽车保有量急剧上升,物流的快速增长和运输需求的继续增加,对高速公路的需求量越来越大。高速公路专供汽车高速、安全、舒适行驶,是衡量一个国家道路交通现代化水平的重要标志,同时也是国家经济发展要求的必然产物。在施工过程中必须对整个过程做到安全、规范、具有实效性的管理,这是整个施工过程中非常重要的风险管理机制,这也被称作项目风险安全管理。在施工前对施工对象进行风险评估,具体了解整个工程的风险情况,并判别出风险大小,根据具体的风险指数来制定相应的应对措施,尽可能的使整个工程的风险指数降到最低,保证工程能够安全施工。本文梳理了国内外关于高速公路风险管理的研究成果,系统阐述总结了高速公路施工安全风险管理的相关理论,总结了工程项目管理概念、特征、项目管理任务和类型,并定义了公路工程施工风险,厘清了公路工程施工安全风险发生的机理,归纳了风险管理的流程。本文在掌握丽攀高速公路的概况、水文地质情况、高速公路施工的重点和难点工程基础上,识别了丽攀高速公路风险因素；分别对丽攀高速公路的路基工程、桥梁工程、隧道工程等主要分项工程的风险进行了分析：系统分析了路基土石方工程的挖土方、挖石方,路基坡面防护以及路基填方等项目中的施工工艺和作业工种情况,分析其可能存在风险因素；系统分析了丽攀高速公路中桥梁基础、下部构造和上部构造的施工以及隧道工程地质条件、隧道通风、隧道供电和给排水的施工过程及可能存在风险因素；运用模糊综合评价方法,从人的因素、物的因素、环境因素和组织因素四个方面评估了丽攀高速公路施工安全风险。根据评估的结果,本文最后制定了路基土石方、桥梁工程和隧道工程施工过程的应对举措。
[Abstract]:With the leap-forward progress of social economy in our country, the number of private cars has risen sharply, the rapid growth of logistics and the continuous increase of transportation demand, the demand for expressway is increasing. Highway is designed for high speed, safe and comfortable driving, which is an important symbol to measure the modernization level of road traffic in a country, and it is also the inevitable product of the requirements of national economic development. In the construction process, we must be safe, standardized and effective management of the whole process, which is a very important risk management mechanism in the whole construction process, which is also called project risk safety management. Before construction, the risk assessment of the construction object is carried out, the risk situation of the whole project is understood concretely, and the risk size is identified, and the corresponding countermeasures are formulated according to the specific risk index. As far as possible, the risk index of the whole project can be minimized to ensure the safe construction of the project. This paper combs the research results of highway risk management at home and abroad, systematically expounds and summarizes the relevant theories of highway construction safety risk management, and summarizes the concept, characteristics, project management tasks and types of engineering project management. The construction risk of highway engineering is defined, the mechanism of safety risk of highway engineering construction is clarified, and the process of risk management is summarized. On the basis of mastering the general situation of Lipan Expressway, hydrogeological conditions, the key and difficult projects of expressway construction, this paper identifies the risk factors of Lipan Expressway. The risk of subgrade engineering, bridge engineering, tunnel engineering and other main sub-projects of Lipan Expressway is analyzed respectively. The earthwork and rock excavation of subgrade earthwork are systematically analyzed. The construction technology and work types in subgrade slope protection and subgrade filling projects are analyzed, and the possible risk factors are analyzed. The construction of bridge foundation, lower structure and superstructure, as well as the engineering geological conditions of tunnel, tunnel ventilation, tunnel power supply and drainage construction process and possible risk factors are systematically analyzed. The construction safety risk of Lipan Expressway is evaluated from four aspects: human factor, material factor, environmental factor and organizational factor by using fuzzy comprehensive evaluation method. According to the results of the evaluation, the countermeasures of subgrade earthwork, bridge engineering and tunnel construction process are worked out at the end of this paper.
【学位授予单位】：重庆交通大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U415.12

【参考文献】