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DEGRADATION UNDER ENVIRONMENTAL FACTORS OF HERITAGE BUILDINGS AFFECTED BY THE MAJOR EARTHQUAKE OF MARCH 4, 1977
Abstract
This paper studies one of the biggest problems facing older buildings or historic monuments like ascendant humidity that occurs upward because water migrates into the walls from different sources from the soil found in foundation. The experimental researches have been made in the basement of the Faculty of Mechanical Engineering from Craiova, which is a heritage building that was badly affected by the earthquake from 1977. The subsequent rehabilitation was unable to repair the damage of the building's foundation. Starting from the evidence and conclusions following instrumentation dynamics of this building previously completed in the area affected by humidity. From measurements of humidity and analyzed infrared images made in the damaged area analyzed in this study, the important conclusion illustrates that the causes of massive degradation in basement walls affected by the ascending humidity led to visible changes in the properties of materials, resulting in crumbling bricks, corroded fittings. Cracks appeared in the foundation after major seismic movements from 1940, 1977 and those of low intensity since 1986, 1990 and 2004 is one of the causes of raising humidity and aggressive degradations of the basement.
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References6
Official Monitor with heritage buildings
CALBUREANU X.M., Contributions above the Influence of the Strong Vrancea Seismic Movements in Oltenia Region by the Effects of the Major 1977 Earthquakes on Specific Type of Building, Scientific Bulletin UTCB, Dec. 2013, L-ISSN 1224-628X
CALBUREANU X.M, thesis: SEISMIC ASSESSMENT OF CRAIOVA CITY TERRITORY AND THE BEHAVIOR OF CERTAIN CATEGORIES OF BUILDINGS DURING THE EARTHQUAKE OF MARCH 4, 1977, 211 pag. Technical University of Civil Engineering, Bucharest, Faculty of Civil, Industrial and Agricultural Construction, cond. Prof. Univ. Dr. Ing. Mihail IFRIM, from 27.03.2014.
. MOGOSANU A.M., CALBUREANU X.M, DUTA A., SASS L., STANESCU G., Studies of the Sustainability and Degradations of Massive Masonry Buildings, International Congress SMAT Romania, Oct. 2014, Tome I p429-436.
MOHELNIKOVA J., MISAK O. “Energy Rating Concept and Retrofit of Building Envelopes” in Proceedings of the 5th WSEAS International Conference on Environment, Ecosystems and Development, Italy, Nov. 2006 pp148-152.
STREZA T, CÂMPIAN C, POP M., Humidity Removal Methods in Building Walls, Construction Magazine nr. 131, 2016, pag. 58-60.
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