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Bazaar of Tehran, once a commercial marketplace and the heart of the city during the Qajar era, still remains Tehran’s leading commercial center in spite of the changes that have been made to its Corporal and functional character. There are various functional and Corporal qualities in this historic bazaar that could as yet be discovered, provided that these qualities are surveyed and classified to achieve a better understanding about this bazaar and its durability in terms of Corporal and functional aspects. In addition to the Corporal and functional durability, the historical and cultural values are esteemed very significantly in relation to the conservation of the objective and conceptual reality belonging to Tehran’s historic bazaar. The aim of this study, therefore, is to assess the attitudes of the local community merchants in the historic bazaar of Tehran concerning the market and the conservation processes; this has to be done in a manner with which we could not only develop a new classification of various Corporal and functional qualities besides the historical and cultural values in this bazaar, but also could discover the reasons for these variations. Hence, the tradespeople were interviewed about their opinions of the underlying causes of the lack of durability in certain domains and regions so that we could arrive at better decisions while getting the historic bazaars prepared to be conserved. The methodology of this study is based on the attitude measurement research through questionnaires. According to the results of the interview surveys, the most significant causes of the current lacking Corporal and functional qualities of Tehran’s historic bazaar could be outlined as: the decrease in the sense of belonging to the Bazaar among the traders, the heightened inclinations towards the renovation in sense of substituting the conventional traditional qualities with the modernized types of elements, the diminishing partnership of the merchants in conservation actions which is resulted from the lack of the working knowledge in the conservational processes, the decline in the tendencies among the traders to continue the cultural qualities of Bazaar as its conventional tradition, reduction in the level of overall satisfaction among the merchants whose workplaces are either situated in the non-intervened parts of Bazaar, or in the places where the interventions have been a mixture of authentic and rudimentary actions, and at last, to the contrary to what has been stated, the satisfaction of those who work in the renewed and modernized parts of the structure of Bazaar.

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Historical Bazar of Tehran, which has been the commercial center and the heart of the city in Ghajar eras, still is the commercial center of Tehran despite some changes that have been made in its corpus and function. It is one of the most memorable treasuries of historic Tehran along with Arg and baghemelli Complex.There are various functional and corporal aspects of Tehran’s historic bazar that could be discovered if there are studied and classified. The goal of this study is to introduce the classifications of different corporal and functional qualities of Tehran’s historic bazar. This study has been done by descriptive historical method which is based on a quantitive qualitative study. In this paper the assessment of corporal and spatial parts of Tehran bazar is based on a Matrix formed of three corporal scales and two functional scales which are as follows: “assessment of corporal integrity”, “Qualitative measurement form and historical corpus”, “Evaluation of corporal interventions”, “Functional mobility assessment”, “Measurement functional durability”.Finally after the evaluation of historic bazar of Tehran in terms of durability in two dimensions of corporal and functional, which was based on the mentioned Matrix 184 states were found. 43 states of those possessed values, of which 9 possessed more values. In this study these values have been found and presented as dominant qualities in corporal and functional resilience of Tehran’s historic bazar.

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Abstract
Nowadays, societies are witnessing demolished buildings that dishevel the city. There are many problems in the destruction of any concrete or steel structural building. Several reasons, including the advancement of technology on the one hand and cultural disease on the other hand, have resulted in the catastrophe of destruction and transportation of the rubbles in our society. Many countries in the world have taken effective steps to increase the useful life of buildings, and there are many recommendations for maintaining energy and national resources and land resources. The necessity of prolonging the useful life of buildings in our country is one of the issues that has been forgotten after Iran’s arrival to modernity. In the meantime, the durability of architecture in the traditional Iranian society has always been the focus of attention and the archetype of this architecture has been a guarantee of the long service life of buildings throughout the time. In the historical fabrics of Iran, there are buildings that have a useful life of several hundred years. Hence, the purpose of this study is to identify architectural factors affecting the useful life of traditional architecture. From the perspective of the research methodology, the research method of this study is qualitative and is based on a theoretical theory. In this research, a procedural approach is taken from the induction and is based on data analysis. By systematically gathering data using library resources, field studies, interviews with people and traditional architects and inductive analysis of knowledge about the long useful life of traditional architecture is obtained in the form of theoretical apparatus and has been stated as the “effective architectural factors on the durability of the traditional architecture of the Central Plateau of Iran”. Continuity of the body and use are two general principles for the durability of traditional Iranian architecture. Considerations regarding the location and deployment of a city or building, materials, techniques of construction and preservation of the building result in the continuation of the architectural structure. On the other hand, the survival of the body depends on the continuous use of the building. To survive, architecture must respond to the needs of the community day. The presence and flexibility of traditional architecture ensures its function continuity.