000013369 001__ 13369
000013369 005__ 20161114160338.0
000013369 04107 $$aeng
000013369 046__ $$k2009-06-22
000013369 100__ $$aTomazevic, M.
000013369 24500 $$aSeismic performance of unreinforced and confined masonry structures: shear resistance and displacement capacity

000013369 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013369 260__ $$bNational Technical University of Athens, 2009
000013369 506__ $$arestricted
000013369 520__ $$2eng$$aShear failure, characterized by the occurrence of diagonally oriented cracks, is a typical failure mode of unreinforced and confined masonry walls subjected to in-plane seismic loads. The results of recent experimental studies have been used to compare the results obtained by typical calculation methods with actual situation. It has been shown that the validity of most commonly used equations is limited to specific cases and mechanisms on the basis of which they have been developed. The results of lateral resistance tests of masonry walls and shaking table tests of a number of models of masonry buildings of various structural configurations, built with various materials in different construction systems, have been analyzed to find a correlation between the occurrence of different grades of damage to structural elements, characteristic limit states and displacement capacity. Taking into consideration the correlation between the acceptable level of damage and actual displacement capacity of unreinforced and confined masonry structures, the ranges of values of elastic force reduction factor, used to determine the design seismic loads for different masonry construction systems, have been evaluated. It has been shown that the values, proposed by the recently adopted European standard for earthquake resistant design, are somewhat conservative even in the case where mechanism models and the analysis of the pushover type are used for seismic resistance verification.

000013369 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013369 653__ $$aMasonry, structures, walls, shear resistance, displacement capacity, damage limitation, seismic force reduction factor. Abstract. Shear failure, characterized by the occurrence of diagonally oriented cracks, is a typical failure mode of unreinforced and confined masonry walls subjected to in-plane seismic loads. The results of recent experimental studies have been used to compare the results obtained by typical calculation methods with actual situation. It has been shown that the validity of most commonly used equations is limited to specific cases and mechanisms on the basis of which they have been developed. The results of lateral resistance tests of masonry walls and shaking table tests of a number of models of masonry buildings of various structural configurations, built with various materials in different construction systems, have been analyzed to find a correlation between the occurrence of different grades of damage to structural elements, characteristic limit states and displacement capacity. Taking into consideration the correlation between the acceptable level of damage and actual displacement capacity of unreinforced and confined masonry structures, the ranges of values of elastic force reduction factor, used to determine the design seismic loads for different masonry construction systems, have been evaluated. It has been shown that the values, proposed by the recently adopted European standard for earthquake resistant design, are somewhat conservative even in the case where mechanism models and the analysis of the pushover type are used for seismic resistance verification.

000013369 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013369 720__ $$aTomazevic, M.
000013369 8560_ $$ffischerc@itam.cas.cz
000013369 8564_ $$s959396$$uhttps://invenio.itam.cas.cz/record/13369/files/CD546.pdf$$yOriginal version of the author's contribution as presented on CD, section: Computational assessment of seismic performance of masonry structures - i (MS).
000013369 962__ $$r13074
000013369 980__ $$aPAPER