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The shape and place of the holes of shear walls are effective on tensions and the elastic and non-elastic transformation and also the formability, bending resistance and capacity of absorbing energy at times of earthquakes. Thus, it is necessary to pay attention to the non-linear behavior of steel shear walls with pops and consider some strategies for reinforcing the sides of the pops. The goal of this project is studying and deeper understanding of the strength and weakness points of pops, the effect of shape and place of pops on the functioning and behavior of shear walls in the non-linear area of steel shear walls. For this purpose, we present the results of a numeric study on steel shear walls with pops. The analyses are done by the limited components Abaqus program and are calibrated by experimental results. An area of subjects that is studied in the steel shear walls with pops includes final load, and load-displacement curves. The numeric results for steel shear walls with pops would also be compared. Finally, the calculated numeric results will be compared with the experimental results. Final load and load-displacement curves gained by the numeric analysis show a good adaptation with the results gained from related experiments. Results of numeric analysis in most cases indicate that this method is a conservative one. Thus, we could use this method in designing applications. Keywords: steel shear walls, non-linear behavior, pops, Abaqus software INTRODUCTIONSteel shear walls have been used since the 70s in various buildings particularly high buildings as a system with appropriate functioning, against the lateral forces. Steel shear wall consists of a refilling steel layer that is surrounded by a system of bars and pillars. This system is like a vertical steel foil bar that is placed in a cantilever way in which the pillars play the role of the wings of foil bar, while bars act as hardeners. High elastic hardness, great formability and hysterias sustainable behavior in coming and going loading are the features of this system. Buildings besides usual loads can undergo limited loads as well. Studying the behavior of buildings against loads like earthquakes, loads caused by clashing of objects and loads resulted from nearby or inside explosions has always been of great significance. Regarding the fact that our country is located in a seismic location and there is the possibility that in the designing of many previous constructs, the earthquake force has not been taken into account, thus, many of these constructs require reinforcement and invigoration against the earthquake force. Reinforcement of constructs for confronting the forces and fluctuations due to earthquake with new and various ways is among the relatively new domains in scientific areas. Steel shear walls are considered an effective construct for providing resistance for high and middle buildings against the lateral forces. The existence of pops in the elements of reinforced concrete changes the simplified suppositions of designing and shou...
The shape and place of the holes of shear walls are effective on tensions and the elastic and non-elastic transformation and also the formability, bending resistance and capacity of absorbing energy at times of earthquakes. Thus, it is necessary to pay attention to the non-linear behavior of steel shear walls with pops and consider some strategies for reinforcing the sides of the pops. The goal of this project is studying and deeper understanding of the strength and weakness points of pops, the effect of shape and place of pops on the functioning and behavior of shear walls in the non-linear area of steel shear walls. For this purpose, we present the results of a numeric study on steel shear walls with pops. The analyses are done by the limited components Abaqus program and are calibrated by experimental results. An area of subjects that is studied in the steel shear walls with pops includes final load, and load-displacement curves. The numeric results for steel shear walls with pops would also be compared. Finally, the calculated numeric results will be compared with the experimental results. Final load and load-displacement curves gained by the numeric analysis show a good adaptation with the results gained from related experiments. Results of numeric analysis in most cases indicate that this method is a conservative one. Thus, we could use this method in designing applications. Keywords: steel shear walls, non-linear behavior, pops, Abaqus software INTRODUCTIONSteel shear walls have been used since the 70s in various buildings particularly high buildings as a system with appropriate functioning, against the lateral forces. Steel shear wall consists of a refilling steel layer that is surrounded by a system of bars and pillars. This system is like a vertical steel foil bar that is placed in a cantilever way in which the pillars play the role of the wings of foil bar, while bars act as hardeners. High elastic hardness, great formability and hysterias sustainable behavior in coming and going loading are the features of this system. Buildings besides usual loads can undergo limited loads as well. Studying the behavior of buildings against loads like earthquakes, loads caused by clashing of objects and loads resulted from nearby or inside explosions has always been of great significance. Regarding the fact that our country is located in a seismic location and there is the possibility that in the designing of many previous constructs, the earthquake force has not been taken into account, thus, many of these constructs require reinforcement and invigoration against the earthquake force. Reinforcement of constructs for confronting the forces and fluctuations due to earthquake with new and various ways is among the relatively new domains in scientific areas. Steel shear walls are considered an effective construct for providing resistance for high and middle buildings against the lateral forces. The existence of pops in the elements of reinforced concrete changes the simplified suppositions of designing and shou...
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