Geometry and Proportion of Conical Domes' Plans in Iran: Reviewing Case Studies

Sepideh Sadat Korsavi, Mohammad Aliabadi

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The aim of this paper is to identify descriptive and quantitative features of conical domes to introduce geometry and proportion of their plans through analytic reviewing of case studies. Since geometry and proportion have been studied in conical domes, plans of conical domes need more attention in terms of geometry and proportion. Authors hypothesized that with introducing a new Ratio, analyzing geometry would be possible. This Ratio revealed nearly the value of √2 or √3 which is one of the most important Ratios in Islamic architecture. Authors have presented diagrams of superimposed squares and circles to suggest principles of designing with such Ratios. All kinds of plans whether circles or polygons can be designed based on these diagrams since circle is the basic geometry in Islamic architecture. Studying conical domes is important since studies show that their construction has lasted until Qajari era and may continue despite advances in other kinds of domes. Such studies strengthen the connection between
past and present architecture of Iranian architecture.
Original languageEnglish
Article number1000137
Number of pages7
JournalJournal of Architectural Engineering Technology
Issue number1
Publication statusPublished - 27 Apr 2015
Externally publishedYes

Bibliographical note

Copyright: © 2015 Korsavi S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and
source are credited.


  • Conical domes
  • Plan form
  • Ratio
  • Proportions
  • Geometry


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