Influence of Chained Masonry on the Seismic Response of Reinforced Concrete Buildings

Abdelkader  NOUR; Abdelkader  BENANANE; Humberto  VARUM

doi:10.48048/wjst.2021.13194

Authors

Abdelkader NOUR Laboratory Materials and Processes of Construction, Faculty of Science and Technology, University of Abdelhamid Ibn Badis, Route natoinale N 11, kharouba, 27000 Mostaganem, Algeria https://orcid.org/0000-0002-3077-6681
Abdelkader BENANANE Laboratory Materials and Processes of Construction, Faculty of Science and Technology, University of Abdelhamid Ibn Badis, Route natoinale N 11, kharouba, 27000 Mostaganem, Algeria https://orcid.org/0000-0002-5527-1268
Humberto VARUM CONSTRUCT-LESE, Department of Civil Engineering, Faculty of Engineering, University of Porto, Porto 4200-465, Portugal https://orcid.org/0000-0003-0215-8701

DOI:

https://doi.org/10.48048/wjst.2021.13194

Keywords:

Chained masonry wall, Seismic response, Reinforced concrete building, Period, ETABS

Abstract

The influence of chained masonry walls, which represents a special case of masonry infill without gap, on the seismic response of reinforced concrete buildings is extremely important due to their wide use in this type of building. We can consider the period of building as the key parameter to study this influence. In this article, we had carried out a comparative study of several 2D models of a multi-storey reinforced concrete building with a brick chained masonry wall using the response spectrum method in the ETABS finite element software, following the prescriptions of the current Algerian seismic code. This study included the use of the number of spans, the span length, the number of storeys, the thickness of the chained masonry wall, the ground soft storey, the openings in the walls, and the short column for studying the influence of these to the walls. The values from the numerical simulation were compared with those from the formula of the period of building, provided by both the Algerian and European codes. Based on the results obtained, we were able to assess the influence of chained masonry walls on the seismic response on this type of buildings. Through this article, we have concluded that these walls have a great influence on the overall behavior of reinforced concrete buildings under seismic loading.

HIGHLIGHTS

Clarify the importance of numerical simulation of chained masonry walls in the design of reinforced concrete buildings
Give recommendations to the current Algerian seismic code for properly design the infilled buildings with chained masonry
Know the great danger marked in the current conceptions, which neglect these walls in the phase of conception
Give to the infilled reinforced concrete buildings an adequate design in case of earthquake loadings

GRAPHICAL ABSTRACT

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