Abstract
abstract A series of shaking table and tilt tests were conducted with several commonly used strong-motion earthquake accelerographs. Table accelerations up to 0.5 g, both sine waves and recorded earthquake accelerograms, were used to evaluate response characteristics in the 1- to 50-Hz band under strong-motion conditions. All instruments performed within 10 per cent of manufacturers' specifications. No serious parasitic resonances were observed. Timing systems accuracies should be improved for intra-instrument detailed spectral comparisons. The general intuitive feel that mechanical, electronic and recording simplicity are a measure of expected performance for unattended instruments was reinforced by the tests.
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