National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Monitoring the condition of the archaeological sites of Prague Castle
Válek, Jan ; Kozlovcev, Petr ; Kotková, Kristýna ; Fialová, Anna ; Svorová Pawełkowicz, Sylwia ; Frankl, Jiří
In order to study microclimatic conditions, monitoring of selected archaeological terrains of Prague Castle was carried out in the period from August 2020 to May 2023. The internal climate of the area under the third courtyard of Prague Castle, also called Great Excavations, was monitored in the given time range. During the monitoring campaign, sensors were also placed in the area of the Small Excavations and the archaeological terrain of St. George's Monastery at various times. In particular, relative humidity, air and materials temperatures, moisture content of building materials, etc. were monitored. Samples of building materials were also taken and analysed, and the presence of biological degradation agents was monitored. The research focused in detail on describing the temperature and relative humidity of the indoor environment in relation to the moisture content of the materials and their potential degradation agents. These are primarily represented here by water-soluble salts. Their hazardousness in terms of damage to historic materials is influenced by variations in relative humidity and evaporation of water from capillary pores in combination with temperature. Research has shown that the most significant problem for sites is flooding or water seepage through the ground, surrounding structures or ceiling.

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