| Egyptian Journal of Archeological and Restoration Studies

Authors:
Osman, A. ¹ ; Bartz, W. ² ; Kosciuk, J. <sup>3

1</sup> Conservation dept., Faculty of Archaeology, Sohag Univ., Sohag, Egypt.
² Institute of Geological Sciences, Wroclaw Univ., Wroclaw, Poland.
³ History of Architecture, Arts and Technology dept., Wroclaw Univ. of Technology, Wroclaw, Poland.

Abstract:
This paper aims to characterize historical mortars taken from joints in Loom Factory site at Abydos Sohag (Egypt). This characterization includes their composition and technology, their state of preservation as well as provides a guide for their possible conservation process. A multidisciplinary approach has been adopted for investigations. Samples were investigated by means of visual inspection, polarizing microscope (PM), scanning electron microscope (SEM) coupled with energy dispersive X-ray unit (EDX), powder X-ray diffraction (XRD), hydrochloric acid (HCl) attack, sieving analysis, deferential thermal analysis (DTA-TG) and physical tests. Obtained results allowed to fully characterize mineralogical, chemical, and mechanical properties of selected mortar samples. They show a similarity of type, and binder/aggregate ratio. This similarity can be attributed to one building phase using the same source of materials.

Keywords:
Abydos; Loom factory; Mortar; Characterization

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