The specimens were tested under low-reversed cyclic loading, and were evaluated in terms of failure mode, skeleton curves, stiffness, energy dissipation, and drift capacity.
Based on low cyclic loading tests of eight column specimens, the failure patterns, hysteresis loops, load carrying capacity, displacement and ductility factor, skeleton curves, stiffness degradation and energy dissipation capacity of frost-damaged concrete columns were analyzed.
This study shows that the combined use of these two coefficients permits the accurate prediction of the load deformation curve (initial stiffness, strength, and post-yield stiffness) of SMRF affected by the P Δ phenomenon.
Load versus displacement curves, tensile stiffness versus tensile load curves and relative deformation versus tensile load curves were measured.
The results are analysed with regard to the load displacement curve, bending stiffness, cracking load, yield strength and failure load.
Results are analyzed with regard to the load displacement curve, bending stiffness, cracking load, yield strength and failure load.
In this paper, the failure mode, hysteresis loop, strain of steel reinforcement, energy dissipation capacity, skeleton curve, deterioration, stiffness and ductility factor and torsional bearing capacity calculation of RAC and MRAC beams subjected to combined cyclic torsion were compared and investigated.
From the linear region of the load (F deflection (d) curve, the stiffness S was calculated (S = F/ d).
Subsequently, the failure mode, ultimate strength, load versus displacement curves, load versus strain distribution curves, initial stiffness, and ductility of the specimens were obtained and analyzed.
Three metrics were calculated from the resulting force-displacement curve: Terminal Instantaneous Stiffness (TIS, stiffness at the end point of the curve), k (average stiffness), and Regional Stiffness (RS, average stiffness in each 10% interval of the curve).
