USING HARD-SHELL MOLDING IN RESTORATION AND RECONSTRUCTION OF CAPITALS OF SADAGHIANI HOUSE OF TABRIZ TO CONSERVE AND PROMOTE THE QUALITY OF ORIGINAL SPECIMEN FORM DETAILS

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IMANI EBRAHIM

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Journal: Journal of Research on Archaeometry Year:2018 | Volume:4 | Issue:1 Page(s): 95-100

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Title

USING HARD-SHELL MOLDING IN RESTORATION AND RECONSTRUCTION OF CAPITALS OF SADAGHIANI HOUSE OF TABRIZ TO CONSERVE AND PROMOTE THE QUALITY OF ORIGINAL SPECIMEN FORM DETAILS

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IMANI EBRAHIM | Issue Writer Certificate

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Abstract

Special potentials of plaster, including low price comparing to other materials, optimal resistance to environmental conditions, fast hardening, ductility and good paintability, make it one of the most used materials in Iranian architecture during the various historical periods. These features results in using the plasters as the main material in the interior decoration of monuments in most historical periods. On the other hand, easy ductility and fast hardening encourage the Iranian architects to use plaster in the various faç ade decorations of monuments. However, vulnerability to moisture and rapid climate changes in the mountainous regions reduce the life expectancy of plaster, where it becomes vulnerable in the exterior decorations of monuments. These drawbacks make the restoration and reconstruction of exterior facade adornments of historical monuments to be established in the short-term periods. The complex of Sadaghiani House of Tabriz is one of the monuments adapted on List of National Sites by No. 7498 on February 1, 2003. The house has plenty of plaster works in decoration of monument facade and capitals. This complex was built in mid of Qajar Era and a vast section of house had been demolished for different reasons, where the plaster capitals had also been fully damaged. Following the retrofitting, the restoration of complex commenced in 2012 submitting to Tabriz Islamic Art University. After reconstruction of various sections of monument and as a practical examples of plaster artworks restoration, some of the remaining capitals restored and reconstructed. These capitals possesses complex form elements and details, and consequently, their reconstruction is costly and time-consuming process. Hence, using alternative methods and the potential of techniques in relevant domains stands necessary. To duplicate the reconstructed capitals while maintaining the form features and structural details of samples, the method of hard-shell molding was employed which is appropriate for molding of artistic and industrial works that have complex form elements and negative spaces in their structure. This method entails a good robustness because of having a hard shell that is usually made of FRP polymer matrix composites. In casting, assembly and installing mold on the determined site and using a flexible core, usually made of silicon resin, reduce the number of mold pieces and creates form details and negative spaces with an optimum quality. In this regard, one of the remaining capitals with more complete form details was selected as the reference, then the stages of restoration implemented and, finally the stages of molding and duplication of original sample carried out. Using this method of molding and reconstruction of demolished samples causes the improvement in the quality, robustness, where the process of restoration and reconstruction has been briefly reported in the present report.

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APA: Copy

IMANI, EBRAHIM. (2018). USING HARD-SHELL MOLDING IN RESTORATION AND RECONSTRUCTION OF CAPITALS OF SADAGHIANI HOUSE OF TABRIZ TO CONSERVE AND PROMOTE THE QUALITY OF ORIGINAL SPECIMEN FORM DETAILS. JOURNAL OF RESEARCH ON ARCHAEOMETRY, 4(1 ), 95-100. SID. https://sid.ir/paper/264087/en

Vancouver: Copy

IMANI EBRAHIM. USING HARD-SHELL MOLDING IN RESTORATION AND RECONSTRUCTION OF CAPITALS OF SADAGHIANI HOUSE OF TABRIZ TO CONSERVE AND PROMOTE THE QUALITY OF ORIGINAL SPECIMEN FORM DETAILS. JOURNAL OF RESEARCH ON ARCHAEOMETRY[Internet]. 2018;4(1 ):95-100. Available from: https://sid.ir/paper/264087/en

IEEE: Copy

EBRAHIM IMANI, “USING HARD-SHELL MOLDING IN RESTORATION AND RECONSTRUCTION OF CAPITALS OF SADAGHIANI HOUSE OF TABRIZ TO CONSERVE AND PROMOTE THE QUALITY OF ORIGINAL SPECIMEN FORM DETAILS,” JOURNAL OF RESEARCH ON ARCHAEOMETRY, vol. 4, no. 1 , pp. 95–100, 2018, [Online]. Available: https://sid.ir/paper/264087/en

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