Abstract
It has already been proved that infill walls have great impact on the behavior of the frame systems, especially under earthquake-like lateral loads. Infill walls are generally considered as partition members between spaces in concrete frame systems. They are generally included into calculations as dead loads exerted on beams, but they have various impacts on the behavior of frame-wall systems. Therefore, the well-known behavior of infill walls will have positive contributions. In the present study, a 10-story building was modeled with brick and aerated concrete infill walls. Window and door spaces were taken into consideration. Infill walls were modeled with the equivalent compression strut method. Changes in building rigidity, period, lateral displacement, base shear force and building behavior were investigated with relevant analyses.
Highlights
Along with increasing sheltering demands, construction industry is continuously growing
With the use of aerated concrete instead of brick in infill walls, the building’s total weight decreased by 11.36%, period values decreased by 7.25%, base shear force values decreased by 6.91% and displacements decreased by 6.72%6.96%
Weight and modulus of elasticity together reduced period values by 13.68%, shear force values by 7.35% and displacements by between 31.50%-33.26%
Summary
Along with increasing sheltering demands, construction industry is continuously growing. Infill walls have significant effects on the bearing-system of the building under lateral loads, the behavior of these walls under lateral loads, like earthquake loads, should be well elucidated. Negative impacts of such walls are generally attributed to the diverse range of materials, the diversity in their strength, and insufficient inspections of present implementations. These walls are reflected in calculations as the members increasing only the dead loads of the building and their load-bearing behaviors are generally neglected. The behavior and effects of infill walls with two different materials were investigated
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