Abstract
Infrared Thermography (IRT) is a technique used in the inspection of constructive elements in buildings. It has a great potential for the investigation of pathological manifestations because it is a strictly non-destructive procedure that could be rapidly applied in fieldwork. This research analyzes the possibility of using active IRT to detect internal defects caused by xylophagous insects in bamboo culms, in order to apply it in the fieldwork for the inspection of pathological manifestations in buildings. In laboratory, samples of bamboo culms of Bambusa tuldoides and Phyllostachys bambusoides species were submitted to a thermographic experiment using a thermographic camera and FLIR B400 software. Subsequently, the potential for using this technique in the fieldwork was evaluated. The results point the limitations of both, technique and method used, to identify perforations of diameter less than or equal to 3 mm located in the inner wall of the bamboo culms.
Highlights
The utilization of bamboo in the civil construction might become a sustainable alternative considering its potential for renovation, abundance, and fast growth
The durability of a construction and its constructive components is a requirement of users regarding the performance (International Organization for Standardization, 2011); (Associação Brasileira de Normas Técnicas, 2013)
The study of the condition and conservation of bamboo elements used in buildings contributes to increase the knowledge on this subject that has been little explored and, to make possible to determine its durability
Summary
The utilization of bamboo in the civil construction might become a sustainable alternative considering its potential for renovation, abundance, and fast growth. The durability of a construction and its constructive components is a requirement of users regarding the performance (International Organization for Standardization, 2011); (Associação Brasileira de Normas Técnicas, 2013). In this sense, the study of the condition and conservation of bamboo elements used in buildings contributes to increase the knowledge on this subject that has been little explored and, to make possible to determine its durability. To inspect bamboo elements, it is necessary to complement it with other inspection procedures to identify the state of internal impairment parts that show signs of deterioration, facilitating the decision-making related to preventive or palliative treatments (Jaramillo and Librelotto, 2018); (Jaramillo, 2019)
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