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Methodology of the use of non-invasive surveying methods - ground-penetrating radar, impact-echo method and ultrasonic transmission measurement of the surface to assess the condition and construction details of the sandstone coat of buildings
Havlín, J. ; Slavíková, M. ; Válek, Jan ; Pavelka, K.
The methodology describes principles of selected methods (ground-penetrating radar, impact-echo method, ultrasound), their potentials, limitations and advantages when combined during the survey of stone coats of structures. Further on, the methodology indicates the process of the measurement itself and evaluation of the collected data.
Plný tet:  PDF
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Traditional lime technologies of historical buildings and their use at present. Final report
Válek, Jan
The project was based on a design and construction of a lime kiln. The kiln was tested and described and it enabled to study the effects of traditional lime production on quality of lime. This also allowed to produce lime binders, which were commonly used in the past and were later on abandoned. Research and experimental works focused on quality of lime putties and determining the suitability of different types of previously used materials for production of lime binders. Detailed research of available resources related to the lime production was carried out. The important aim was creation of applied outputs that would be useful in practical care of historical buildings.
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Desing and production of specialized lime binders for restoration of monuments using historical technologies
Válek, Jan ; Matas, Tomáš ; Jiroušek, Josef ; van Halem, Eveline ; Hauková, Petra ; Frankeová, Dita ; Frankl, Jiří ; Tomanová, Olga ; Panáček, Michal
The methodological guideline supports the use of traditional lime materials for repair of historical buildings. It describes the main steps to be carried out when it is required to use a traditional lime mortar. The guideline provides an overview of the circumstances for using traditional technologies which are applied in the design and selection of lime binder and its treatment. It specifies essential procedures and principles that determine traditional production and processing of lime and recommends specific procedures for the lime processing and mortar production. The guideline is intended for architects, building engineers, cultural heritage conservators, conservation scientists, technologists, restorers and practitioners.
Fulltext: content.csg - PDF
Plný tet: 0453847_2015_Valek_et_al_Navrh_a_vyroba_specializovanych_vapennych_pojiv_pro_obnovu_pamatek_s_vyuzitim_historickych_technologii_CM_010 - PDF
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