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Forced vibration test and effect of infilled walls over dynamic behavior of structures
Dynamic specifications of constructions including natural vibrating periods, modes and amount of damping are of the most important factors which specify the kind of behavior to earthquakes. Considering mathematical and theoretical models with respect to the Fact that simplifying approaches are used in them and the impact of non-constructions components are ignored, and as amount of damping in constructions which is based on the kind of these materials being used and the style of construction, the accuracy of these models should be examined on construction materials by shaking tests. In order to detect co-ordination gained from mathematical and theoretical Models with real tests, construction models for buildings with steel structure first mathematically analyzed, and then, it has been put under Steady- state sinusoidal Excitation. A shaker which is able to apply Sinusoidal force at different frequencies has been used. Comparing mathematical and computerized results, its been specified that infilled walls have basic roies in the behavior of construction and it's hardness should be considered in computerized analysis. It, also, shows that the test result on unrigidity and flexibility of the floor which is against applied approaches in computerized models. Before adding infilled walls to computerized models, the result from computerized analysis showed that twisting is brought about at 1.98 HZ, but it was not Observed at/ near to 0.0-12.0 HZ after adding inter- frames to computerized model. This was confirmed by test results and there was no twisting at range of considered frequencies.
Forced vibration test and effect of infilled walls over dynamic behavior of structures
Dynamic specifications of constructions including natural vibrating periods, modes and amount of damping are of the most important factors which specify the kind of behavior to earthquakes. Considering mathematical and theoretical models with respect to the Fact that simplifying approaches are used in them and the impact of non-constructions components are ignored, and as amount of damping in constructions which is based on the kind of these materials being used and the style of construction, the accuracy of these models should be examined on construction materials by shaking tests. In order to detect co-ordination gained from mathematical and theoretical Models with real tests, construction models for buildings with steel structure first mathematically analyzed, and then, it has been put under Steady- state sinusoidal Excitation. A shaker which is able to apply Sinusoidal force at different frequencies has been used. Comparing mathematical and computerized results, its been specified that infilled walls have basic roies in the behavior of construction and it's hardness should be considered in computerized analysis. It, also, shows that the test result on unrigidity and flexibility of the floor which is against applied approaches in computerized models. Before adding infilled walls to computerized models, the result from computerized analysis showed that twisting is brought about at 1.98 HZ, but it was not Observed at/ near to 0.0-12.0 HZ after adding inter- frames to computerized model. This was confirmed by test results and there was no twisting at range of considered frequencies.
Forced vibration test and effect of infilled walls over dynamic behavior of structures
Prüfung mit erzwungener Schwingung und Einflüsse ungefüllter Wände auf das dynamische Verhalten von Bauwerken
Sayari, A. (author)
2006
8 Seiten, 2 Bilder, 12 Tabellen, 2 Quellen
Conference paper
Storage medium
English
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