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P. Beran, "The Impact of the Masonry Temperature during Restoration to the Thermal Stress of Historic Masonry", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 68, 2015. doi:10.4203/ccp.108.68

Keywords: historic masonry, temperature, solar radiation, reference year, finite element, thermal expansion.

Summary

One of the usual defects of historical masonry is missing joint mortar. New mortar has to be inserted into the joints during repair. This paper is focused on the dependence of thermal stress in historic heterogeneous masonry on the temperature during repair. The specification of heterogeneous masonry means that the mortar and stones have different values of thermal expansion coefficient. For this purpose the three-dimensional numerical finite element model of masonry was created and was loaded by the extreme climatic effects during the "reference year" in Prague Castle, Czech Republic. The analysed interval of temperatures during the restoration starts at the temperature of 5 degrees C and ends at 30 degrees C. The best temperature during restoration is not an average air temperature during the year, it is approximately the average value of the maximal and minimal surface temperature during the year. In the paper the south western insolated wall, of Prague Castele, between exterior and interior was analysed. The best season for repair of the south western wall was confirmed to be August by analysis.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 68 The Impact of the Masonry Temperature during Restoration to the Thermal Stress of Historic Masonry P. Beran Centre of Excellence Telc, Institute of Theoretical and Applied Mechanics of the Academy of Sciences of the Czech Republic, v. v. i., Czech Republic doi:10.4203/ccp.108.68 purchase the full-text of this paper Full Bibliographic Reference for this paper P. Beran, "The Impact of the Masonry Temperature during Restoration to the Thermal Stress of Historic Masonry", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 68, 2015. doi:10.4203/ccp.108.68 Keywords: historic masonry, temperature, solar radiation, reference year, finite element, thermal expansion. Summary One of the usual defects of historical masonry is missing joint mortar. New mortar has to be inserted into the joints during repair. This paper is focused on the dependence of thermal stress in historic heterogeneous masonry on the temperature during repair. The specification of heterogeneous masonry means that the mortar and stones have different values of thermal expansion coefficient. For this purpose the three-dimensional numerical finite element model of masonry was created and was loaded by the extreme climatic effects during the "reference year" in Prague Castle, Czech Republic. The analysed interval of temperatures during the restoration starts at the temperature of 5 degrees C and ends at 30 degrees C. The best temperature during restoration is not an average air temperature during the year, it is approximately the average value of the maximal and minimal surface temperature during the year. In the paper the south western insolated wall, of Prague Castele, between exterior and interior was analysed. The best season for repair of the south western wall was confirmed to be August by analysis. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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