Investigation on Standardization for Information of Urban Underground Space

In this paper,the current state of the development and application of urban underground space information is reviewed.The composition and system structure of urban underground space information is introduced,and the necessity for information sharing among different departments is discussed.The framework on how to build up a corresponding uniform code is also presented.With the extensive development of urban underground space,the classification and standard for urban underground facilities are needed to ensure the accuracy of information as well as the unity in expression.The standard could be shared between the departments of urban construction and urban management.