Research On The Security Management Of Urban Underground Space Based On The Public Governance Theory In The Nanning City As An Example

City underground space, whether it is to deal with the war of air defense needs, lack of usual address ground resources, fully play its due benefits, to human life brought about a sense of security, but also promoted the development of social economy. Taking Nanning city underground space as an example, analyzes the problems of safety management of underground space, because of the lack of a unified management mechanism, disaster accidents easily lead to emerge in an endless stream, city underground space security has become an important part of city public security branch. Mechanism of safety management of city underground space is through the use of a series of system, measures, methods, technologies, unsafe factors effectively the internal and external oversight, timely prevention, early warning may lead to accident, timely disposal of dangerous source, control and avoid accidents. Based on the investigation and statistics of Nanning city underground space is mainly on the development and utilization of the situation, grasp each underground space, the mean flow and dispersion, the existence of potential safety problems and people’s safety awareness, combined with the literature, summarized the research, analysis of the pros and cons, draw a conclusion.First through the start of city underground space, elaborates the concept and characteristics of city underground space, according to the domestic and foreign research situation, development trend of city underground space. Public governance theory from the angle of the security problem, through the theoretical basis of public governance and the main content, extended the polycentric governance trend of public governance. Construction of city underground space security under the diversification of the main governance, the government regulation, enterprise management, under the leadership of the government of the enterprise market on three main management mode under the three modes of governance.Then in Nanning City as an example, to reason and the influence of the necessity of safety management problems, analysis the development of underground space in Nanning city problems, from the rise and development of Nanning city underground space, the Nanning city underground space safety control measures for further instructions.This paper focuses on the way of governance put forward city underground space security, expound on safety management mode of city underground space and evaluation system, based on the evaluation index system principles, main contents lists the safety management evaluation system, so that the decision makers of the city underground space safety tube positioning ability from experience to science evaluation. Safety management system establishment of underground space from the legal level, system level and the level of mechanism, safety management aims to reveal the trend of city underground space consists of dispersed type to unified, centralized and network, three-dimensional, intensive, in-depth, comprehensive development; decision, holding three right, supervision of the establishment and administration according to law is now more mature management mode, the specific performance of the law is complete, sound institutions, clear responsibility, mechanism, rewards and punishments; and research of underground space safety special, is to deal with the current city emergency resources, promote the inevitable requirement of the healthy and orderly development of city underground space.