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Hefazat va Maremat
Volume 5, Issue 1 (3-2022)
KCR 2022, 5(1): 13-34 |
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Fadaei H, Naseri F. Conservation and Restoration of an Achaemenid Column Base from the Hundred-Column Palace in the Persepolis World Heritage Site. KCR 2022; 5 (1) :13-34
URL: http://journal.richt.ir/kcr/article-1-109-en.html
URL: http://journal.richt.ir/kcr/article-1-109-en.html
Assistant Professor, Research Centre for Conservation and Restoration of Cultural Relics, Research Institute of Cultural Heritage and Tourism, Tehran-Iran.
Abstract: (1383 Views)
Persepolis is one of the most prominent remaining stone sites in Iran and the world, showcasing the traditions, culture, and customs of ancient Iranians, and is notable for its structural architecture and visual beauty. The Hundred-Column Hall is the largest columned hall in Persepolis after Apadana and was magnificently adorned with a hundred tall columns. Today, mainly the bases of these columns remain in their original place in this palace. Various stone pieces belonging to other column components, such as column shafts, capitals, and floral motifs, are scattered in the open space of the main hall of the palace, exposed to natural damaging elements and thus urgently requiring conservation efforts. This study focuses on one of the column bases (Base 4D) and, through library, field, and analytical studies and the implementation of an emergency conservation plan, aims to slow the degradation pattern of this limestone base. Previously, most restorations at Persepolis were conducted using sand-cement materials, but with changing perspectives and theoretical foundations in stone conservation, cement use has been discontinued due to its different water absorption and evaporation rates, expansion and contraction coefficients, and irreversibility. XRD analyses indicate that calcium oxide is the predominant component in the samples, with traces of silicate, aluminum, and iron also present in the stone composition. Other oxides are found in minimal amounts, and the stones used are high-purity limestone with low silica content. One of the outcomes of this research is the use of hydraulic lime-based materials known as "Ledan," combined with additives and fillers, applied to deficient and actively fractured sections. This protective mortar, highly compatible with limestone, has strengthened the resistance of cracks and fractures against moisture infiltration and significantly reduced erosion rates.
Keywords: Restoration, Column Base, Achaemenid, Hundred-Column Palace, Persepolis World Heritage Site.
Type of Study: Research, Original, Regular |
Subject:
studying pathology and technologies of abjects
Received: 2024/11/13 | Accepted: 2022/11/1 | Published: 2022/11/1
Received: 2024/11/13 | Accepted: 2022/11/1 | Published: 2022/11/1
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