Modern Trends in Experimental Earthquake Engineering Research
Tomme: LVI (LX) Fascicle: 4 | 2010
Pages: 43-54
Abstract text:
The recent advances in experimental procedures in the field of earthquake engineering research are presented. The extensive damages caused by the earthquakes during the last decade led to a gradual change in the general public awareness of this type of natural disaster. The scientific community intensified its efforts to better understand the way different types of structures behave under seismic excitations in order to increase their safety. Shaking table tests have the advantage of well controlled large amplitude, multi-axis input motions and easier experimental measurements. Their use is justified if the purpose of the test was to validate the numerical model or to understand the basic failure mechanisms of either a structure or a structural element. Developments in earthquake geotechnical engineering, including understanding the ground behaviour during seismic shaking, effects of the earthquake on the geotechnical facilities, thorough studies on the site amplification, have also shown tremendous progress. The numerical simulation is a powerful tool especially when the analytical solutions are very complex or can not be found by elementary means. The already existing models have proven to be able to accurately predict the results obtained through classic or innovative experimental techniques.
Key Words:
shaking table tests; superstructures; numerical simulations.
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