Abstract
ABSTRACT A study focused on evaluating the influence of higher modes of vibration on the seismic design of buildings with viscous dampers is presented. In the first part of the study, expressions to estimate velocity and acceleration correction factors, applicable to Mexico City, are proposed. In the second part, a numerical evaluation of two buildings with different characteristics is presented. Results show that both higher modes and velocity correction factors contribute up to 52% in the maximum force developed in the damping system at the upper stories of the building. Acceleration correction factors and higher modes contribute at less 16% in the floor acceleration response.
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