scholarly journals Seismic behaviour of reinforced concrete frame with infill panels

2018 ◽  
Vol 149 ◽  
pp. 02064
Author(s):  
Sanaa Elmalyh ◽  
Azzeddine Bouyahyaoui ◽  
Taoufik Cherradi
Keyword(s):  
Reinforced Concrete ◽  
Reinforced Concrete Frame ◽  
Seismic Behaviour ◽  
Concrete Frame ◽  
Infill Panels

scholarly journals Analysis Of Masonry Infilled RC Frame Structures Under Lateral Loading

2015 ◽  
Vol 11 (1) ◽  
pp. 29-39 ◽  
Author(s):  
Mircea Barnaure ◽  
Daniel Nicolae Stoica
Keyword(s):  
Reinforced Concrete ◽  
Numerical Models ◽  
Reinforced Concrete Frame ◽  
Structural Behaviour ◽  
Seismic Behaviour ◽  
Concrete Frame ◽  
Infill Panels ◽  
Frame System ◽  
European Regulations ◽  
Rc Frame Structures

Abstract Partition walls are often made of masonry in Romania. Although they are usually considered non-structural elements in the case of reinforced concrete framed structures, the infill panels contribute significantly to the seismic behaviour of the building. Their impact is difficult to assess, mainly because the interaction between the bounding frame and the infill is an intricate issue. This paper analyses the structural behaviour of a masonry infilled reinforced concrete frame system subjected to in - plane loading. Three numerical models are proposed and their results are compared in terms of stiffness and strength of the structure. The role of the openings in the infill panel on the behaviour is analysed and discussed. The effect of gaps between the frame and the infill on the structural behaviour is also investigated. Comparisons are made with the in-force Romanian and European regulations provisions.

scholarly journals Seismic behaviour of reinforced concrete frame with infill panels

2018 ◽  
Vol 149 ◽  
pp. 02064
Author(s):  
Sanaa Elmalyh ◽  
Azzeddine Bouyahyaoui ◽  
Taoufik Cherradi
Keyword(s):  
Failure Modes ◽  
Damping Ratio ◽  
Steel Frames ◽  
Axial Loading ◽  
Response Strength ◽  
Nonlinear Behaviour ◽  
Reinforced Concrete Frame ◽  
Seismic Behaviour ◽  
Concrete Frame ◽  
Infill Panels

Infill panels are usually used in structures; therefore, it is very important to study their behaviour and their influence on bare frames. Several models had been proposed to understand the effect of the infill panels on structure. The aim of this work is to identify the effect of the presence of infill panels on bare frames. The diagonal stiffness and shear compression failure of the structure, the nonlinear behaviour of the infilled frame under axial loading and the relation between the strength, ductility and stress-strain of different previous experiments will be presented. Experimental research on the interaction between the steel frames and infill panels has been done to determine the behaviour of steel frames with different types of infill walls. Many frames with composite panels subjected to cyclic-loading were realized to determine the damping ratio, the static and dynamic response, strength and stiffness degradation of infill elements. The objective of this paper is to represent and analyze the hysteretic behaviour, failure modes, and the variation of different parameters of the infilled bare frame like stiffness, strength, ductility and loading displacement curves.

scholarly journals Effect of Masonry Infill Panels on the Seismic Response of Reinforced Concrete Frame Structures

2021 ◽  
Vol 7 (11) ◽  
pp. 1853-1867
Author(s):  
Ali Zine ◽  
Abdelkrim Kadid ◽  
Abdallah Zatar
Keyword(s):  
Reinforced Concrete ◽  
Seismic Response ◽  
Pushover Analysis ◽  
Reinforced Concrete Frame ◽  
Masonry Infill ◽  
Concrete Frame ◽  
Capacity Curves ◽  
Infill Panels ◽  
Highly Nonlinear ◽  
Non Linear

The present work concerns the numerical investigation of reinforced concrete frame buildings containing masonry infill panel under seismic loading that are widely used even in high seismicity areas. In seismic zones, these frames with masonry infill panels are generally considered as higher earthquake risk buildings. As a result there is a growing need to evaluate their level of seismic performance. The numerical modelling of infilled frames structures is a complex task, as they exhibit highly nonlinear inelastic behaviour, due to the interaction of the masonry infill panel and the surrounding frame. The available modelling approaches for masonry infill can be grouped into two principal types; Micro models and Macro models. A two dimensional model of the structure is used to carry out non-linear static analysis. Beams and columns are modelled as non-linear with lumped plasticity where the hinges are concentrated at both ends of the beams and the columns. This study is based on structures with design and detailing characteristics typical of Algerian construction model. In this regard, a non-linear pushover analysis has been conducted on three considered structures, of two, four and eight stories. Each structure is analysed as a bare frame and with two different infill configurations (totally infilled, and partially infilled). The main results that can be obtained from a pushover analysis are the capacity curves and the distribution of plastic hinges in structures. The addition of infill walls results in an increase in both the rigidity and strength of the structures. The results indicate that the presence of non-structural masonry infills can significantly modify the seismic response of reinforced concrete "frames". The initial rigidity and strength of the fully filled frame are considerably improved and the patterns of the hinges are influenced by structural elements type depending on the dynamic characteristics of the structures. Doi: 10.28991/cej-2021-03091764 Full Text: PDF

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