A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Performance of Two Unreinforced Masonry Churches in Greece Under Gravitation and Earthquake Actions
The seismic performance of “Greek” churches made by low-strength unreinforced masonry is examined. These structures were damaged during recent strong seismic activity in Greece combined with long term effects from foundation settlement. Measurements from shear-sliding laboratory tests of stone masonry triplets are presented and discussed together with corresponding numerical simulation results in an effort to quantify the in-plane sliding shear failure criterion. The cohesive surface interaction constitutive law was employed in forming realistic limit-state criteria for such weak mortar stone masonry. Next, the performance of specific “Greek” churches is numerically simulated employing simplified dynamic linear elastic analysis and assumed limit-state criteria. This simplified approach yielded realistic predictions of the observed performance. However, the necessity to obtain a comprehensive set of measured strength properties for such type of masonry construction is underlined. From this simplified dynamic linear elastic analysis it can be concluded that the soil-foundation deformability results in a significant increase in the tensile stress demands at critical regions. This conclusion is also in agreement with the observed damage.
The Performance of Two Unreinforced Masonry Churches in Greece Under Gravitation and Earthquake Actions
The seismic performance of “Greek” churches made by low-strength unreinforced masonry is examined. These structures were damaged during recent strong seismic activity in Greece combined with long term effects from foundation settlement. Measurements from shear-sliding laboratory tests of stone masonry triplets are presented and discussed together with corresponding numerical simulation results in an effort to quantify the in-plane sliding shear failure criterion. The cohesive surface interaction constitutive law was employed in forming realistic limit-state criteria for such weak mortar stone masonry. Next, the performance of specific “Greek” churches is numerically simulated employing simplified dynamic linear elastic analysis and assumed limit-state criteria. This simplified approach yielded realistic predictions of the observed performance. However, the necessity to obtain a comprehensive set of measured strength properties for such type of masonry construction is underlined. From this simplified dynamic linear elastic analysis it can be concluded that the soil-foundation deformability results in a significant increase in the tensile stress demands at critical regions. This conclusion is also in agreement with the observed damage.
The Performance of Two Unreinforced Masonry Churches in Greece Under Gravitation and Earthquake Actions
Lecture Notes in Civil Engineering
Vayas, Ioannis (editor) / Mazzolani, Federico M. (editor) / Manos, George C. (author) / Kotoulas, Lambros (author) / Matsou, V. (author) / Felekidou, Olga (author) / Arnaoutis, J. (author) / Katakalos, Konstantinos (author)
International Conference on Protection of Historical Constructions ; 2021 ; Athens, Greece
2021-12-04
20 pages
Article/Chapter (Book)
Electronic Resource
English
Earthquake resistance of unreinforced masonry buildings
| British Library Conference Proceedings | 1996
| Taylor & Francis Verlag | 2017