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Publications on N. Azimikor

An Experimental Study on the Out-Of-Plane Stability of Reinforced Masonry Shear Walls Under In-Plane Reversed Cyclic Loads
N. Azimikor ; B. Robazza ; K. Elwood ; D.L. Anderson ; S. Brzev
Book Title / Journal: Proceedings of the 15th World Conference on Earthquake Engineering, Lisbon, Portugal
Year: 2012 , Volume: , Series:
Earthquake engineering
Keywords: reinforced masonry ; shear walls ; Seismic resistance
  • Description
    • This paper presents results of an ongoing two-phase experimental research program on the out-of-plane instability of reinforced masonry (RM) shear walls under seismic loading. Phase 1 involves testing of five reinforced masonry uniaxial specimens under reversed cyclic tension and compression. The specimens represented the end zone of a RM shear wall. The purpose of the testing was to gain insight into the factors influencing out-of-plane instability. The design parameters considered in the study include longitudinal reinforcement ratio and height-to-thickness (h/t) ratio. An analytical model was proposed to estimate the magnitude of critical tensile strain leading to out-of-plane instability. Phase 2 involves experimental and analytical study of full-scale RM shear wall specimens subjected to reversed-cyclic lateral loading, with the main objective to develop a rational analysis procedure and criteria for assessing the out-of-plane stability of these walls. This paper presents the results of Phase 1 experimental study and explains the Phase 2 experimental program.
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