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A platform for research: civil engineering, architecture and urbanism
Non-Ductile Behavior of Reinforced Concrete Frames With Masonry Infill Panels Subjected to In-Plane Loading
Lessons learned from earthquakes in the last 50 years have spurred changes in building seismic code requirements, making it necessary to determine the seismic vulnerability of old military structures. This study addresses a popular type of building in high seismic zones that has lateral load-resisting systems constructed from reinforced concrete (R/C) frames with masonry infill panels. An experimental program was carried out to evaluate this structural system. Five single-story half-scale laboratory models with different numbers of bays were constructed. The five models represent: a single-bay bare frame, single-bay with concrete masonry unit (CMU) infill, single-bay with brick infill, double-bay with CMU infill, and triple-bay with brick infill. These models were fully instrumented and tested under lateral in-plane loading to failure. Non-linear finite element analyses were carried out on the experimental models. Load-deflection curves for finite element analysis (FEA) reasonably predicted experimental behavior of specimens in terms of deflection. Ultimate failure load corresponding to each specimen was predicted with accuracy. Finally, a new idealized analytical model was proposed to determine the capacity evaluation of this structural system. Post-yield behavior, residual strength, and the effects of bay multiplicity on structural behavior are also presented.
Non-Ductile Behavior of Reinforced Concrete Frames With Masonry Infill Panels Subjected to In-Plane Loading
Lessons learned from earthquakes in the last 50 years have spurred changes in building seismic code requirements, making it necessary to determine the seismic vulnerability of old military structures. This study addresses a popular type of building in high seismic zones that has lateral load-resisting systems constructed from reinforced concrete (R/C) frames with masonry infill panels. An experimental program was carried out to evaluate this structural system. Five single-story half-scale laboratory models with different numbers of bays were constructed. The five models represent: a single-bay bare frame, single-bay with concrete masonry unit (CMU) infill, single-bay with brick infill, double-bay with CMU infill, and triple-bay with brick infill. These models were fully instrumented and tested under lateral in-plane loading to failure. Non-linear finite element analyses were carried out on the experimental models. Load-deflection curves for finite element analysis (FEA) reasonably predicted experimental behavior of specimens in terms of deflection. Ultimate failure load corresponding to each specimen was predicted with accuracy. Finally, a new idealized analytical model was proposed to determine the capacity evaluation of this structural system. Post-yield behavior, residual strength, and the effects of bay multiplicity on structural behavior are also presented.
Non-Ductile Behavior of Reinforced Concrete Frames With Masonry Infill Panels Subjected to In-Plane Loading
G. Al-Chaar (author)
1998
278 pages
Report
No indication
English
Composite Materials , Construction Equipment, Materials, & Supplies , Logistics Military Facilities & Supplies , Loads(Forces) , Buildings , Frames , Masonry , Reinforced concrete , Structural engineering , Test and evaluation , Mathematical models , Military facilities , Scale models , Experimental design , Finite element analysis , Vulnerability , Deflection , Strength(Mechanics) , Nonlinear systems , Residuals , Army corps of engineers , Earthquakes , Failure(Mechanics) , Seismology , Housing(Dwellings) , Bays , Brick , Infill panels , In plane loading , Nonductile , Lateral load resistance , Single bay bare frame , Cmu(Concrete masonry unit) , Seismic vulnerabilitly
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