by Dionisio Bernal, Arash Nasseri and Yalcin Bulut
Bernal, Dionisio, Arash Nasseri and Yalcin Bulut (2006). Instability Inducing Potential of Near Fault Ground Motions SMIP06
Seminar on Utilization of Strong-Motion Data, p. 41 - 62.
Click on the link below for the full text:
Gravity imposes a lower bound on the strength needed for stable response. Collapse spectra are plots of this
strength vs. period for constant values of a parameter that characterizes gravity. The paper contains formulas
for collapse spectral ordinates for near fault conditions and shows that the collapse mechanism in buildings
is not statistically dependent on whether the excitation is near fault or far field. Safety against instability
can be predicted using the provided expressions and results from a pushover analysis. The near fault condition
is not found to be a critical consideration from an instability perspective.