Relationship between Values and Assessment Values with Conservation Approach in Iranian Historical Cities

Value literally means to assess the worth of something against something else. The importance of the assessment of this word in the economic areas in a few past years has led the recognition of urban values especially in their historical parts. It is hypothesis that recognition, assessment, and introducing the existing values in historical cities have a direct relationship with the selection of the intervention approach in the process of conservation and development. The purpose of research, considering the mentioned assumption, is to find a response for this question: How do the existing values in historical cities affect the process of selection of the intervention approach? This study is a fundamental-theoretical research that has been done by interpretational-historical method and the selection statistical population are the four cities of Isfahan-Shiraz-Tehran- and Mashhad among Iran’s historical cities in order to special urban values. Obtained results show identifying and introducing the existing values in historical cities, in past century, has directly been related to the selection the intervention approach in Iran’s cities and regarding cases in which the results were not proportional to predicted goals, it was because of neglecting the existing values in cities and nonmaterial values such as artistic, social, economic, and political values are related to the urban fabric values of historical cities and the removal of physical values would cause the removal other values of Iran’s cities