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Project social stability risk analysis use a variety of management theory and technology, quantitative and qualitative, combined with technical, index evaluation and experience judge, among them: risk assessment is mainly adopt risk factor control check list, risk probability matrix, computation of risk index method analysis, estimate, determine project risk level; risk prevention and resolving measures are mainly to lighten, resolve, and avoid the social stability in different stages of the project risk factors, the effective measures to achieve the goal of low degree of risk control and influence. Introduction The risk analysis of social stability of engineering project uses a variety of management science and technology, adopting the combination of quantitative and qualitative, comprehensive and technical, indicator evaluation and empirical judgment. Risk assessment, mainly through the use of risk factors control checklist, subjective probability expert estimation, risk probability-impact matrix, risk index calculation, comprehensive assessment method and participatory evaluation methods to analyze, estimate, and judge the project risk level. Measures to prevent and resolve risks, mainly put forward the effective measures, to resolve and avoid the project social stability risk factors in different stages, sort out and divide the main body of responsibility and the assisting unit of measures in each time period, identify the responsibility and the assisting unit, determine the division of responsibilities, implementation time and requirements, etc. Efforts should be made to fully implement relevant measures to reduce the impact of social stability risks and achieve the goal of controllable risks and low impact. Research and Application Status The research on social stability risk assessment and countermeasures is mainly reflected in the multi-angle and interdisciplinary analysis and exploration on the aspects of assessment method, assessment process, mitigation measures and measures guarantee mechanism. Gao Shan [1] analyze the analytical and participatory evaluation models of social stability risk. In addition, a new model combining the two models is proposed to remedy the defects of the two models, it gives better play to the evaluation of the two models. Chengshubo [2] propose16 influencing factors on the construction of a subway project in zhengzhou, the analytic hierarchy process (ahp) was used to calculate the weights. According to the degree of influence, puts forward the corresponding preventive and dissolving measures for the first five items with larger influence factors. Suna [3] improved the simplification of existing risk assessment subjects, put forward the model of multisubject evaluation, and citizens and social organizations are invited to participate in the risk assessment, it is conducive to obtaining scientific, fair and objective evaluation results. Finally, she puts forward corresponding countermeasures and Suggestions on resource sharing and feedback mechanism. Jian xinyue [4] made a detailed elaboration on the ahp to evaluate the risk of social stability, and applied it in the second project of zhangjiajie hehua airport. Practice has proved that the application of ahp can assess the risk degree objectively and the result is reliable. Wang bo, Huang dechun [5] based on the characteristics of social system vulnerability of water conservancy projects, introduced four indicators of social risk exposure,public risk cognitive ,sensitivity and coping ability to evaluate the social stability risk of water conservancy projects, and conducted empirical research on a water conservancy project. Xu changming et al. used qualitative risk logic tree method to evaluate the risk of social stability, introduced the analysis principle of this method in detail, and summarized its features and application scope. Cao zuyao et al. described and analyzed the causes of nimby risk concept, and studied, and proposed measures to prevent and resolve nimby risk. Zhou sien et al. adopted the two-stage method to conduct risk investigation and risk factor analysis, introduced the analytic hierarchy process to identify risk factors, and determined the level of risk level according to the risk matrix, and selected a road project for instance analysis. Social Stability Risk Assessment Methods Social Stability Risk Assessment and Risk Rating Judgment Risk estimation is the process of assessing the identified risk (refer with: Fig.1), and making a comprehensive analysis and estimation of the possibility and impact of risk events. The content includes the estimation of risk probability and risk occurrence time. Since the risk database of the project is not complete before implementation, the comprehensive evaluation method based on expert experience is adopted to evaluate the overall risk of the project. Semi-quantitative matrix evaluation method was used to evaluate the main risk factors of the identified project. Specifically, definition, description and quantitative criteria of risk level, degree of risk impact and probability of occurrence of risk is given based on three variables. The risk matrix is given based on three variables for risk assessment. Figure 1. Basic steps and methods of risk assessment. Risk judgment is to estimate the overall initial risk of the project comprehensively on the basis of single-factor risk analysis, compare it with the given risk level evaluation criteria, and determine the initial risk level and the priority of risk prevention, and decide whether to take corresponding preventive measures. The impact of the social stability risk on the project can be divided into three levels: high risk, medium risk and low risk, according to the public's opinions, opposition, Identify evaluation ideas Comprehensive evaluation method

Project Social Stability Risk Assessment and the Resolving Measures Research