Methodology analysis and diagnosis of wood in preservation historical patrimony.

Abstract

The actual scenery of historical wood buildings is characterized by intense degradation related to the tropical brazilian weather, besides the absence of cultural preservation. Projects of restorations need efficient diagnosis to present good results in stopping the causes of degeneration, and in preserving the architeturals works to the new generations. This research analyses the house called «Grochocki» situated at the Murici Colony, near Curitiba, built by roof timber, trunk and board, with the brazilian wood called Araucaria angustifolia. The « logs home » is a remanent of the traditional polish colonization and the local architectural wood construction of Paraná. This study presents a methodology of analysis and a valuation card considering the preservation. It considers also a visual analysis, a degradation mapping and a non-destructive analysis with the Stress wave timer equipment. One category of deterioration was created and different professionals testified the relevance of the card. Good results in evaluation of the wooden historical patrimony were found. The best prepared professionals capable to realize the diagnosis, proved to be those with the largest kwnoledges in technological and pathological aspects of wood.