Maryam , Ashkan (2010) Historic domes in the Middle East and central Asia: A study on pointed discontinuous double-shell domes / Maryam Ashkan. PhD thesis, University of Malaya.
Abstract
This research presents a developed geometric approach for deriving the typologies and geometries of discontinuous double-shell domes, specially pointed types, in Islamic architecture. In addition, common morphological and typological characteristics of Eastern domes are put forward. Firstly, an outline of the origin and development of Eastern domes are addressed since the early through to the late Islamic periods. Common formal architectural language of Eastern domes are established by estimation of 53 samples of domes amongst eight countries; these are Iran, Iraq, Afghanistan, Pakistan, Kazakhstan, Uzbekistan, Turkmenistan and Turkey. In this regard, multifold approaches for analyzing those samples are organized into two certain parts. Besides, using al-Kashi geometrical features, a four centerd profile as an initial shape is constructed based on new geometric parameters to deduce the geometric commonalities of two aspects of formal language (typologies and geometries) of such domes. Common geometric prototypes for typical profile shared by the study cases are generated and formulated according to a proposed system. The theoritical frame work for the formal language of eastern domes, especially, pointed discontinuous double-shell domes is structured to indicate a moderate development of this sort of Islamic domes and highlight the specific geometric relationship between the Islamic dome configurations and practical mathematic rules many decades. It can also be established firstly, a basic approach for considering the geometric compositional designs and typological derivations of the other Eastern domes and secondly may a basis for an approach in treating such historic structures in historic conservation programs.
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