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- Title
Performance of masonry enclosure walls: lessons learned from recent earthquakes.
- Authors
Vicente, Romeu; Rodrigues, Hugo; Varum, Humberto; Costa, Aníbal; Mendes da Silva, José
- Abstract
This paper discusses the issue of performance requirements and construction criteria for masonry enclosure and infill walls. Vertical building enclosures in European countries are very often constituted by non-load-bearing masonry walls, using horizontally perforated clay bricks. These walls are generally supported and confined by a reinforced concrete frame structure of columns and beams/slabs. Since these walls are commonly considered to be nonstructural elements and their influence on the structural response is ignored, their consideration in the design of structures as well as their connection to the adjacent structural elements is frequently negligent or insufficiently detailed. As a consequence, nonstructural elements, as for wall enclosures, are relatively sensitive to drift and acceleration demands when buildings are subjected to seismic actions. Many international standards and technical documents stress the need for design acceptability criteria for nonstructural elements, however they do not specifically indicate how to prevent collapse and severe cracking, and how to enhance the overall stability in the case of moderate to high seismic loading. Furthermore, a review of appropriate measures to improve enclosure wall performance and both in-plane and out-of-plane integrity under seismic actions is addressed.
- Subjects
EUROPE; CURTAIN wall design &; construction; EFFECT of earthquakes on buildings; BRICKS; STRUCTURAL frames; DYNAMIC testing of materials; EARTHQUAKES
- Publication
Earthquake Engineering & Engineering Vibration, 2012, Vol 11, Issue 2, p23
- ISSN
1671-3664
- Publication type
Article
- DOI
10.1007/s11803-012-0095-3