Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.
2016
Volume 19
Issue 2
Topic:
Civil Engineering
ELECTRONIC
JOURNAL OF
POLISH
AGRICULTURAL
UNIVERSITIES
Orzechowski M. , Tatko R. 2016. MONITORING DEFLECTIONS OF HISTORICAL LARGE TIMBER ROOF STRUCTURE USING DRAW-WIRE SENSORS, EJPAU 19(2), #02.
Available Online: http://www.ejpau.media.pl/volume19/issue2/abs-02.html

MONITORING DEFLECTIONS OF HISTORICAL LARGE TIMBER ROOF STRUCTURE USING DRAW-WIRE SENSORS

Maciej A. Orzechowski, Rados│aw Tatko
Institute of Building Engineering, Wroc│aw University of Environmental and Life Sciences, Wroc│aw, Poland

 

ABSTRACT

This article presents a new approach to monitor structural behavior of large historical timber structures. During the assessment of the method, data was collected at the research station located in the attic of the historical roof structure of a medieval church. The collected data was analyzed in terms of the influence of environmental actions (such as temperate change and wind load) and the results are presented in this article. This project is significant because the measurements of deflections of a very large structure are taken in situ. The article explains the complexity of such measurements as well as provides an overview of selected methods of measurement of structure deformations. A new application of draw-wire sensors as measurement instrument is presented with the results confirming the applicability of such sensors for deflection measurements

Key words: structural health monitoring, draw-wire sensor, environmental actions, timber structure, large structure.


Maciej A. Orzechowski
Institute of Building Engineering, Wroc│aw University of Environmental and Life Sciences, Wroc│aw, Poland

email: maciej.orzechowski@up.wroc.pl

Rados│aw Tatko
Institute of Building Engineering, Wroc│aw University of Environmental and Life Sciences, Wroc│aw, Poland

email: radoslaw.tatko@up.wroc.pl

Responses to this article, comments are invited and should be submitted within three months of the publication of the article. If accepted for publication, they will be published in the chapter headed 'Discussions' and hyperlinked to the article.