Influence of Masonry Infill Walls on the Seismic Assessment of Non-Seismically Designed RC Framed Structures

• Type: Article in International Scientific Journal
• Date: 2023

Authors

Moreira, RF (Author) Other; Humberto Varum (Author) FEUP; J. M. Castro (Author) FEUP

Journal

Title: Buildings

Vol. 12

Final page: 1148

ISSN: 0007-3725

Publisher: MDPI

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 0 Citations

Scientific classification

CORDIS: Technological sciences > Engineering > Civil engineering > Structural engineering

FOS: Engineering and technology > Civil engineering

Other information

Authenticus ID: P-00Y-CDR

DOI: 10.3390/buildings13051148

Abstract (EN): This paper examines how the decision to include (or exclude) masonry infill walls in the modelling of non-seismically designed RC framed structures can affect the results of the EC8-3 seismic assessment process. A frequently used macro-modelling technique for the simulation of infill panels within bounding RC members is first reviewed. A case-study application follows in which the seismic assessment of a sample structure is carried out, with and without considering the effect of its infill walls, using nonlinear static and dynamic analysis models. The obtained results are then discussed according to the applicable limit states' performance requirements, and conclusions are drawn regarding the overall outcome. The study indicates that, when low and medium seismic input motions constitute the base demand for the assessment of older-type RC framed buildings, the protection provided to the RC members by the confined masonry infill panels should not be neglected. Moreover, it shows that the identification of the most likely collapse mechanism might also be significantly influenced by the modelling decision in question. As such, the default recommendation is to include masonry infill walls in the modelling of such structures.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 34