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In real life, the construction project is faced with many risks. The risk may bring disaster already, also may lead to profits, the key is how to look at risk, and to effectively manage risk. Practice has proved that to be successful to avoid project risk, cost savings, and even increase the profit, the purpose of risk management must be carried out. This paper first analyzes the concept and characteristics of risk, and has the characteristics of the engineering project risk and risk management; Second, the paper puts forward the concept of overall engineering project risk management on the basis of, respectively, for risk identification, risk analysis and assessment, risk control and decision making is expounded; Then, in view of the investment control and cost analysis of the importance of the construction projects, respectively introduces the monte carlo simulation technique and support vector machine (SVM) method, and the two methods in terms of investment control and cost prediction application has carried on the preliminary analysis. Through an instance of the proposed construction project, to predict outcomes of using these two methods respectively. This paper aimed to engineering project risk management theory basis, through has been widely used in engineering project of monte carlo simulation technique and support vector machine (SVM) method, fledgling investment control of construction project is beneficial to explore, and to guide practice.
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