深基坑工程风险管理研究

发布时间：2018-02-05 22:03

本文关键词： 深基坑工程风险管理层次分析法模糊综合评价法　出处：《合肥工业大学》2013年硕士论文　论文类型：学位论文

【摘要】：深基坑是一项涉及多门学科、诸多方面的复杂系统工程，稍有不慎可能会造成巨大的经济损失和社会影响。近年来，随着城市建设的高速发展，深基坑工程不断涌现；屡屡发生事故引起了人们高度重视。因此，如何减少深基坑工程事故发生的频率和损失成为亟待研究的课题。本文首先简述了深基坑工程的特点；对近年来发生的深基坑工程事故统计分析，查找出事故发生的原因；同时介绍了风险管理的基本理论。其次对深基坑工程风险管理过程进行深入探讨；利用目前建筑工程组织与管理的模式和经验，，深入实务管理层面对深基坑工程风险进行管理。最后结合工程实例，从宏观和微观两方面对深基坑工程进行深入分析，采用专家调查法和分解分析法识别工程中存在的风险，选择层次分析法和模糊综合评价法对工程风险进行评估并采取相应风险控制措施。同时，通过深基坑变形监测数据绘制累计水平位移与时间的变化曲线，并结合工况和所处自然环境找出基坑变形的主要原因并制定控制变形的措施。深基坑是一项风险较大的工程，对其进行风险管理具有一定现实意义。本文提出了一些关于风险实务管理和风险评估方面的见解，为深基坑工程管理人员认识、分析和应对风险提供了一种思路，同时也促进了深基坑工程风险管理思想的推广。
[Abstract]:Deep foundation pit is a complex system engineering involving many disciplines and many aspects. A little carelessness may cause huge economic loss and social impact. In recent years, with the rapid development of urban construction. The deep foundation pit engineering emerges continuously; The frequent occurrence of accidents has aroused great attention. Therefore, how to reduce the frequency and loss of deep foundation pit accidents has become an urgent research topic. In this paper, the characteristics of deep foundation pit engineering are introduced. Based on the statistical analysis of the accidents of deep foundation pit in recent years, the causes of the accidents are found out. At the same time, the basic theory of risk management is introduced. Secondly, the risk management process of deep foundation pit engineering is deeply discussed. Based on the current mode and experience of construction engineering organization and management, the management of deep foundation pit project is deeply managed. Finally, an engineering example is given. The deep foundation pit engineering is deeply analyzed from macro and micro aspects, and the risk of deep foundation pit engineering is identified by expert investigation method and decomposition analysis method. AHP and fuzzy comprehensive evaluation are selected to evaluate the engineering risk and the corresponding risk control measures are taken. At the same time, the cumulative horizontal displacement and time variation curves are drawn through the deformation monitoring data of deep foundation pit. Combined with the working conditions and the natural environment, the main causes of foundation pit deformation are found out and the measures to control the deformation are made. Deep foundation pit is a risky project, it has certain practical significance to carry out risk management. This paper puts forward some opinions on risk management and risk assessment. It provides a way for the managers to understand, analyze and deal with the risks, and also promotes the promotion of risk management in deep foundation pit engineering.
【学位授予单位】：合肥工业大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TU753

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