Critical assessment of interstory drift measurements / Derek A. Skolnik in Journal of structural engineering, Vol. 136 N° 12 (Décembre 2010)  

Public ISBD [article]  inJournal of structural engineering > Vol. 136 N° 12 (Décembre 2010) . - pp. 1574-1584 Titre : Critical assessment of interstory drift measurements Type de document : texte imprimé Auteurs : Derek A. Skolnik, Auteur ; John W. Wallace, Auteur Année de publication : 2011 Article en page(s) : pp. 1574-1584 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Data processing Displacement Acceleration Sensors Buildings Instrumentation Drif Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Interstory drift, the relative translational displacement between two consecutive floors, is an important engineering demand parameter and indicator of structural performance. The structural engineering community would benefit well from accurate measurements of interstory drift, especially where structures undergo inelastic deformation. Unfortunately, the most common method for obtaining interstory drift, double integration of measured acceleration, is problematic. Several issues associated with this method (e.g., signal processing steps and sparse instrumentation) are illustrated using data from shake table studies and two extensively instrumented buildings. Some alternative contact and noncontact methods for obtaining interstory drift are then presented. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i12/p1574_s1?isAuthorized=no [article] Critical assessment of interstory drift measurements [texte imprimé] / Derek A. Skolnik, Auteur ; John W. Wallace, Auteur . - 2011 . - pp. 1574-1584. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 136 N° 12 (Décembre 2010) . - pp. 1574-1584 Mots-clés : Data processing Displacement Acceleration Sensors Buildings Instrumentation Drif Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Interstory drift, the relative translational displacement between two consecutive floors, is an important engineering demand parameter and indicator of structural performance. The structural engineering community would benefit well from accurate measurements of interstory drift, especially where structures undergo inelastic deformation. Unfortunately, the most common method for obtaining interstory drift, double integration of measured acceleration, is problematic. Several issues associated with this method (e.g., signal processing steps and sparse instrumentation) are illustrated using data from shake table studies and two extensively instrumented buildings. Some alternative contact and noncontact methods for obtaining interstory drift are then presented. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i12/p1574_s1?isAuthorized=no

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