Read e-book online Historic Mortars: Characterisation, Assessment and Repair PDF

By Jan Valek, John J. Hughes, Caspar J. W. P. Groot

ISBN-10: 9400746342

ISBN-13: 9789400746343

ISBN-10: 9400746350

ISBN-13: 9789400746350

This quantity makes a speciality of learn and functional matters attached with mortars on ancient constructions.

The ebook is split into 4 sections: Characterisation of ancient Mortars, fix Mortars and layout concerns, Experimental examine into houses of fix Mortars, and evaluate and trying out. The papers current the newest paintings of researchers of their box. the person contributions have been chosen from the contributions to the 2d ancient Mortars convention, which happened in Prague, September, 22-24, 2010. All papers have been reviewed and stronger as invaluable prior to booklet. This peer overview approach via the editors led to the 34 person contributions incorporated in right here. One additional paper reviewing and summarising cutting-edge wisdom lined by means of this ebook was once further as a beginning and navigational aspect for the reader.

The editors think that having those papers in print is necessary and so they desire that it'll stimulate additional study into historical mortars and similar topics.

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Additional info for Historic Mortars: Characterisation, Assessment and Repair

Example text

The rind makes a distinct boundary with the cementitious matrix. It contains quartz crystals shattered during calcining of the host limestone, and bead-like microstructures with calcium-silica-chloroaluminate cores and drying shrinkage (Figs. 4e, 6a). The cementitious matrix has microcrystalline calcite, vaterite, aragonite and hydrocalumnite (Table 1). The SEM elemental maps (Fig. 5) show concentations of silica (Si), aluminum (Al) and calcium (Ca) associated with CASH at the center of the partially dissolved relict lime clast (Fig.

The third one and a bedding mortar collected on a Meroitic pyramid were composed of siliceous sand bound by about 30% kaolinite-rich clay. A coating mortar collected on another Meroitic pyramid, probably highly lixiviated, had a similar composition with only 11% clay. The other Meroitic samples appeared as conventional fully carbonated lime-sand mortars. The compositions of the decorative surface layers varied from clay to lime or lime-and-gypsum, in the form of painting or applied as fresco. This extreme diversity of compositions observed is particularly interesting from an archaeological point of view.

It contains quartz crystals shattered during calcining of the host limestone, and bead-like microstructures with calcium-silica-chloroaluminate cores and drying shrinkage (Figs. 4e, 6a). The cementitious matrix has microcrystalline calcite, vaterite, aragonite and hydrocalumnite (Table 1). The SEM elemental maps (Fig. 5) show concentations of silica (Si), aluminum (Al) and calcium (Ca) associated with CASH at the center of the partially dissolved relict lime clast (Fig. 4a) and concentrations of calcium, aluminum and chlorine (Cl) in the interfacial zones.

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Historic Mortars: Characterisation, Assessment and Repair by Jan Valek, John J. Hughes, Caspar J. W. P. Groot


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