Experimental Errors In Pseudodynamic Test Using Conventional Testing Devices
Author(s)
C. Cuadra, J. Ogawa
Abstract
Experimental errors in pseudodynamic test
using conventional testing devices
C. Cuadra, J. Ogawa
Department of Architecture and Environmental Engineering,
Akita Prefectural University, Japan
Abstract
The pseudodynamic test technique, used to simulate the seismic behavior of
structural elements, usually has been related to the use of actuators controlled by
servo valves. However, recently, new hardware devices have been developed like a
hydraulic pump system that can adjust the rate of oil flow by using an inverter
motor and a high-speed on-off valve. This equipment permit to use conventional
hydraulic jacks by controlling their movements by means of external signal
obtained from displacement transducers.
In this report an analysis of the experimental errors, occurred during the test using
this new implementation of the pseudodynamic technique, is presented. It is shown
that an appropriate implementation of the control program can reduce the
undershooting errors. Some res
Keywords
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