Dimension stones of the North Hungarian masonry arch bridges

Bögöly, Gyula and Török, Ákos and Görög, Péter (2015) Dimension stones of the North Hungarian masonry arch bridges. Central European Geology, 58 (3). pp. 230-245. ISSN 1788-2281

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Abstract

Stone masonry arch bridges in North Hungary represent cultural heritage values. For the maintenance and preservation of these bridges detailed mapping of lithologies and weathering forms are required. The purpose of this paper is to present the identified lithotypes, their conditions (weathering grade) and their petrophysical properties by using in situ lithological mapping, documentation of weathering forms, non-destructive tests and laboratory analyses. Furthermore these analyses demonstrate the difficulties of characterization and diagnostics of the historical construction materials. Additionally the results of condition assessments and the properties of the four different dimension stones from four different sites provide examples for the large dissimilarities regarding the strength parameters. The above-listed parameters are required as input data for stability calculations and modeling of these structures.

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