Systemic Analysis of the Equilibrium Process in the Structural Components of Historical Buildings Case Study: Graphical Analysis of a Quadrilateral Vault

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Document Type : Original

Authors

1 Arch. Conservation, School of Architecture, College of Fine Arts, University of Tehran

2 School of Architecture, Faculty fine arts, University of Tehran

3 School of Architecture, Faculty of Fine Arts, University of Tehran

Abstract

The behavior of historical buildings is not easily predictable, and one way to better understand this behavior is to consider it as a complex system. In complex systems theory, phenomena are viewed layer by layer and the focus is on the relationships between information. Systems, with the different nature of their processes in each layer, exhibit a specific behavioral pattern, and the behavior of the entire system becomes predictable through the synergy of these layers. From the perspective of this theory, behavior in a historical building encompasses a more comprehensive concept and does not only include the structure. On the other hand, the history of structural analysis in historical buildings shows the importance of geometry in maintaining the equilibrium of the building.While machine tools that are common today use other principles in their analyses and do not provide reliable results due to their simplistic assumptions. In this article, by explaining the conceptual framework for understanding a historical building based on the theory of complex systems, it is argued that analyzing behavior in a historical building, on the one hand, depends on examining the processes of the different layers of the building, and on the other hand, it requires the application of empirical knowledge in such buildings. Then, by examining the historical course of equilibrium analysis in historical buildings, it is concluded that by combining the limit method and the graphical statics tool, the complexity of the behavior in the structural elements of a historical building can be evaluated through the analysis of an information-driven process, from the path of the thrust force in the building. This descriptive-analytical article presents its proposal in a practical way by implementing this method on a Quadrilateral vault as a component of a historical building.

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