Materiales de Construcción, Vol 61, No 301 (2011)

Detection of the seasonal cyclic movement in historic buildings by means of surveying techniques


https://doi.org/10.3989/mc.2011.54409

J. M. Valle-Melón
Universidad del País Vasco, Spain

Á. Rodríguez-Miranda
Universidad del País Vasco, Spain

P. Pérez-Vidiella
Universidad del País Vasco, Spain

Abstract


As in other engineering structures, historic buildings are conditioned by atmospheric changes which affect their size and shape. These effects follow a more or less cyclic pattern and do not normally put the stability of such buildings in jeopardy since they are part of their natural dynamics. Nevertheless, the study of these effects provides valuable information to understand the behavior of both the building and the materials it is made of.
This paper arose from the project of geometric monitoring of a presumably unstable historic building: the church of Santa María la Blanca in Agoncillo (La Rioja, Spain), which is being observed with conventional surveying equipment. The computations of the different epochs show several movements that can be explained as due to seasonal cycles.

Keywords


cyclic movements; monitoring; surveying; heritage

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References


(1) Valle Melón, J. M.; Rodríguez Miranda, Á.; Pérez Vidiella, P. (2008). Evaluation of the conventional surveying equipment applied to deformation analysis of heritage buildings. A case study: the bell tower or Santa María la Blanca church in Agoncillo (La Rioja, Spain), en Measuring the changes, 13th FIG International Symposium on Deformation Measurements and Analysis and 4th IAG Symposium on Geodesy for Geotechnical and Structural Engineering, 12-15 de mayo de 2008, Lisboa (Portugal), 11 pp., http://www.fig.net/commission6/lisbon_2008/papers/pas12/pas12_02_vallemelon_mc045.pdf], acceso en julio de 2009.

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