| In recent years, along with the economy globalization and the emerging political, economic social and technological developments, the construction industry has encountered increasing competitive pressure. Due to the long construction period, numerous involved parties, complicated techniques and geographical disperse, construction projects are generally faced with the problems of too many risk factors and inefficient management, which not only affect the quality, schedule and cost of construction projects, but also decrease the projects, benefit. Though the theoretical research of risk management of the domestic and international construction project has already possessed quite high level now, and there are a lot of the methods of project risk analysis and appraise, the practical application of those methods are not induced systematically, so in the face of the concrete project risk, often choose the impertinence analytical technology. The final result is the understanding and analysis to the risk of the project is not enough, increases the degree of difficulty of risk management, influences the quality, progress and cost goal of the engineering construction directly, and damages benefit of the project. The paper`s research is based on the actuality of the actuality of the front. This text expatiate the relevant knowledge of the risk and risk management theories at first. On the base of the risk study of the home and overseas scholars, bring forward a new definition about risk, and point out the aim and meaning of risk management, and establish a new process of risk management. Then the text detailedly introduce 13 risk analysis technologies which are applied now, deeply analyses and explains the pluses and minuses of different and suitable condition of these risk analysis technologies, and compare with these technologies each other fore and aft. Construct with the Wuhan Changjiang River submarine shield tunnel construction project as example, using the Fault Tree Analysis method, analyze the safety accident of the leakage of the Wuhan Changjiang tunnel construction project, and obtain the compositor of the fabric significance of the basis affair. Accordingly instruct the handler specially guard against the basis affair which have the further fabric significance, adopt relevant measure, and advance the security of construction. Using the method of R=P×C, analyze the construction risk of the Wuhan Changjiang River submarine shield tunnel construction project, confirm the level of the risk factors, and the understanding to the risk factor become quantificational from nonfigurative cognition. Definitude the aim of risk management, accordingly realize the logical and economical risk management. On the base, detailedly expatiates how to choose the risk analysis tool according to the actual conditions, consequently realize effective risk management. Finally introduces knowledge management in risk management, sets up the risk management system in construction enterprise and between enterprises, expect to realize the risk management that is optimized most with a kind of brand-new risk mode. |
