Papers by Giovanni Leucci
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Remote Sensing
The Castle of Melfi is placed on a hilltop overlooking the modern town and it includes many build... more The Castle of Melfi is placed on a hilltop overlooking the modern town and it includes many buildings that have been modified and expanded over time. Its Norman-era core was probably built between the end of the 11th and the start of the 12th century on top of an earlier Byzantine castrum; it was enlarged during the reign of Frederick II and additional alterations were undertaken during the reigns of the Angevin and Aragonese. Integrated ground-penetrating radar (GPR) and electrical resistivity tomography (ERT) surveys were carried out inside two courtyards of the westernmost part of the castle, the Cortile degli Armigeri and the Cortile del Mortorio, and in an external eastern wall area in order to identify ancient buried structures through two different methods of investigation and to compare the results.
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In Apulia Region there is a dense historical-architectural and archaeological heritage built with... more In Apulia Region there is a dense historical-architectural and archaeological heritage built with soft calcarenitic stones. These materials present significant problems of conservation related to their low durability and therefore know the intrinsic characteristics is crucial to evaluate the performance properties and their susceptibility to degradation. To evaluate the physical-mechanical characteristics of the stone materials is very useful to use non-destructive and non-invasive technologies such as ultrasonic, applicable both in situ and in the laboratory. The factors influencing the propagation of elastic waves in the rocks are the structure, density, size and shape of the granules, porosity, anisotropy, the water content, stress and temperature. In this paper the effects of saturation on the elastic wave velocity and the relationship between density and elastic wave velocity were studied on some Apulia’s porous calcarenites such as Leccese stone, the Ostuni stone and the calca...
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NDT, Jun 22, 2024
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EGUGA, Apr 1, 2015
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Remote Sensing of Environment, 2016
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Heritage, Mar 12, 2023
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Papers by Giovanni Leucci