his work proposes the dynamic analysis of a pedestrian walkway. This walkway is placed within the 'Ospedale di Circolo' Hospital complex in Varese. In order to prevent any vibration serviceability issue a dynamic analysis has been committed. Ambient vibration data and vibration data in operating conditions, that is, while people walked along the footbridge, were collected. In order to assess the serviceability of this structure, a complete modal analysis was first performed. This allowed identifying the main resonances of the structure in the range of frequencies potentially at risk because of a possible synchronization with the walking people loading. Vibration levels were then verified according to ISO 10137, and other international standards. A comparison between vibration levels determined according to the normative regulations and those measured in operating conditions is finally proposed. © The Society for Experimental Mechanics, Inc. 2013.
Operational Modal Analysis of a Slender Footbridge to Serviceability PurposesTopics in Dynamics of Civil Structures, Volume 4 / Anna, Cappellini; Stefano, Manzoni; Vanali, Marcello; Elena, Mola. - (2013), pp. 403-414. [10.1007/978-1-4614-6555-3_44]
Operational Modal Analysis of a Slender Footbridge to Serviceability PurposesTopics in Dynamics of Civil Structures, Volume 4
VANALI, Marcello;
2013-01-01
Abstract
his work proposes the dynamic analysis of a pedestrian walkway. This walkway is placed within the 'Ospedale di Circolo' Hospital complex in Varese. In order to prevent any vibration serviceability issue a dynamic analysis has been committed. Ambient vibration data and vibration data in operating conditions, that is, while people walked along the footbridge, were collected. In order to assess the serviceability of this structure, a complete modal analysis was first performed. This allowed identifying the main resonances of the structure in the range of frequencies potentially at risk because of a possible synchronization with the walking people loading. Vibration levels were then verified according to ISO 10137, and other international standards. A comparison between vibration levels determined according to the normative regulations and those measured in operating conditions is finally proposed. © The Society for Experimental Mechanics, Inc. 2013.File | Dimensione | Formato | |
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