Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Microstructural Characterization and Mechanical Properties of Roman Mortars for their Restoration Case of the Historic site of Volubilis (Morocco)

Version 1 : Received: 11 December 2019 / Approved: 12 December 2019 / Online: 12 December 2019 (09:59:49 CET)

How to cite: Ammari, A.; Dekayir, A.; Mohamed Amine, B. Microstructural Characterization and Mechanical Properties of Roman Mortars for their Restoration Case of the Historic site of Volubilis (Morocco). Preprints 2019, 2019120169 (doi: 10.20944/preprints201912.0169.v1). Ammari, A.; Dekayir, A.; Mohamed Amine, B. Microstructural Characterization and Mechanical Properties of Roman Mortars for their Restoration Case of the Historic site of Volubilis (Morocco). Preprints 2019, 2019120169 (doi: 10.20944/preprints201912.0169.v1).

Abstract

The objective of this study is to conduct a mineralogical and chemical characterization of the mortars Roman archaeological site of Volubilis to rebuild spare mortars for restoration. We take samples of mortar, broken tile palate garden, and pavement mosaic Falavius Germanus houses. The analysis by X-ray diffraction reveals the coarse mortar Flavius Germanus is made of quartz and calcite with feldspar and probably, mica and dolomite in small amounts. The binder end is formed calcite and quartz. However, the broken tile mortar is formed by coarse particles, clay base mixed with a binder phase dominated by calcite. These results allowed us to reformulate spare mortars for the restoration of damaged Roman mosaics. The mortars are made up by 63.6% of lime and 36.4% of sand(with 4.19% of large grain, 71, 04% of coarse sand, 24.22%, of fine sand and 0.55% fines parts).The performance of these mortars was tested by mechanical testing.

Subject Areas

mortar mosaic; volubilis; characterization; mineralogical; testing; mechanical.

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