Structural evaluation of an earthen building from operational modal analysis

Rafael Aguilar, Mario Solís, César Chácara, Álvaro Ruiz

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

1 Cita (Scopus)


This paper evaluates the structural behavior of a nineteenth century historical construction of rammed earth built in Lima (Perú). The dynamic response of the building was experimentally analyzed from Operational Modal Analysis tests. A FE model was built in order to approach the experimental behavior. Manual calibration of material properties and interaction with surrounding buildings were considered in order to achieve this goal. Due to the complexity of the structure, the level of damage and possible non-linear effects, only the first two modes were considered to be clear enough for calibration purposes. The building is a three story construction made of adobe masonry and a traditional composite material made of wood, cane and mud known as “quincha”. Experimental and numerical results evidenced the different behavior of the quincha and adobe walls in terms of flexibility. Moreover, loss of connectivity or stiffness between floors and walls is observed from the relative displacements between different parts of the building. The paper contributes to the application of vibration based structural health monitoring techniques to earthen historical constructions.

Idioma originalInglés
Título de la publicación alojadaMechanics of Biological Systems and Materials - Proceedings of the 2013 Annual Conference on Experimental and Applied Mechanics
EditorialSpringer New York LLC
Número de páginas9
ISBN (versión impresa)9783319007762
EstadoPublicada - 2014
Evento32nd IMAC Conference and Exposition on Structural Dynamics, 2014 - Orlando, FL, Estados Unidos
Duración: 3 feb. 20146 feb. 2014

Serie de la publicación

NombreConference Proceedings of the Society for Experimental Mechanics Series
ISSN (versión impresa)2191-5644
ISSN (versión digital)2191-5652


Conferencia32nd IMAC Conference and Exposition on Structural Dynamics, 2014
País/TerritorioEstados Unidos
CiudadOrlando, FL


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