scholarly journals Pathology of Building Materials in Historic Buildings. Relationship Between Laboratory Testing and Infrared Thermography

2013 ◽  
Vol 64 (313) ◽  
pp. e009 ◽  
Author(s):  
C. Lerma ◽  
Á. Mas ◽  
E. Gil ◽  
J. Vercher ◽  
M. J. Peñalver
Keyword(s):  
Infrared Thermography ◽  
Laboratory Testing ◽  
Building Materials ◽  
Historic Buildings

Beobachtungen zum Stofftransport und zu einhergehenden Schädigungseffekten in porösen Baustoffen / Observations of mass transport and related deterioration mechanisms in porous building materials

2000 ◽  
Vol 6 (4) ◽  
pp. 451-462 ◽  
Author(s):  
L. Franke ◽  
R. Reimann-Oenel
Keyword(s):  
Building Materials ◽  
Life Time ◽  
Water Repellent ◽  
Historic Buildings ◽  
Time Behaviour ◽  
Long Time Behaviour ◽  
Long Time ◽  
Natural Stones ◽  
Coated Surfaces ◽  
Theoretical Considerations

Abstract It is reported about substance migration problems and their consequences, which have been investigated experimentally and which could be particularly relevant with regard to repair and restoration of historic buildings. One aim of the investigations was to find out, whether facades, treated with water repellent agents, showing non treated areas, can be affected in their long time behaviour. Such lacks can be due to non careful application of the repellent agent. In addition, investigations were made to find out. of coatings on salt containing mineral substrates, especially natural stones can reduce their life time. As a result of the experiments and the theoretical considerations, it follows, that a lack in water repellent treatment. could cause the risk of crust-development spallings in environment of non treated spots in the case that substrate is salt contaminated and moisture exchange takes place. All experiments with coatings, performed under the same conditions, show, that the coated surfaces have a more favourable behaviour than the same surfaces without coatings.

scholarly journals Indoor Multi-Risk Scenarios of Climate Change Effects on Building Materials in Scandinavian Countries

Geosciences ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 347 ◽  
Author(s):  
Arian Loli ◽  
Chiara Bertolin
Keyword(s):  
Climate Change ◽  
Building Materials ◽  
Multidisciplinary Approach ◽  
Climatic Changes ◽  
Historic Buildings ◽  
Climate Change Effects ◽  
Change Impact ◽  
The Right ◽  
Time Of Intervention ◽  
Far Future

Within the built environment, historic buildings are among the most vulnerable structures to the climate change impact. In the Scandinavian countries, the risk from climatic changes is more pronounced and the right adaptation interventions should be chosen properly. This article, through a multidisciplinary approach, links the majority of climate-induced decay variables for different building materials with the buildings’ capacity to change due to their protection status. The method tends to be general as it assesses the decay level for different building materials, sizes, and locations. The application of the method in 38 locations in the Scandinavian countries shows that the risk from climatic changes is imminent. In the far future (2071–2100), chemical and biological decays will slightly increase, especially in the southern part of the peninsula, while the mechanical decay of the building materials kept indoors will generally decrease. Furthermore, the merge of the decay results with the protection level of the building will serve as a good indicator to plan the right level and time of intervention for adapting to the future climatic changes.

Circularity and Cultural Heritage Stock

2020 ◽  
pp. 104-128
Keyword(s):  
Cultural Heritage ◽  
Case Studies ◽  
Circular Economy ◽  
Smart City ◽  
Building Materials ◽  
High Impact ◽  
Design Approach ◽  
Historic Buildings ◽  
Heritage Buildings

With the development of a modern designer's workshop, various smart city issues have to be included in line with more conventional analyses. Presently, we also face emerging circular economy theme, which has a high impact not just on the introduction of circular loops into the flow of building materials, but also on the design approach and management choices. Historic heritage buildings should also be considered within this new theme. Most of the existing research either deals with new or modernized buildings, or with the re-use flows of various materials, often coming from historic buildings gone outside the limits of repair. This chapter explains the proposed approach and includes case studies where such an approach has been provided.

scholarly journals Developing Guidelines for the Use of Passive Thermography on Cultural Heritage in Tropical Climates

2020 ◽  
Vol 10 (23) ◽  
pp. 8411
Author(s):  
Manogna Kavuru ◽  
Elisabetta Rosina
Keyword(s):  
Cultural Heritage ◽  
Infrared Thermography ◽  
Environmental Conditions ◽  
Best Practice ◽  
Historic Buildings ◽  
Thermal Camera ◽  
Practical Applications ◽  
Promising Tool ◽  
Practice Methods ◽  
Tropical Climates

Infrared thermography (IRT) has been a very successful tool for the diagnosis and monitoring of cultural heritage restoration projects. It has been used to identify anomalies, moisture issues, etc., in historic buildings. Although it is a promising tool, one of the limitations is that a method to deploy it onsite has not been standardized. This is due to the different variables that might affect thermal signatures captured by the thermal camera, when onsite. Especially since environmental conditions play a major role in thermography, the process must vary from region to region significantly. That said, efforts have been made over the years to establish some base standards for designated purposes of infrared thermography in the construction field. These standards and best practice methods, although comprehensive, do not effectively help with issues that are contextual to the location of the building, for instance, tropical climates, such as India. This paper aims to suggest guidelines for a passive approach of thermography, based on practical applications and procedures followed during the thermographic survey at the former British Residency in Hyderabad, India. Additionally, this paper explores the avenues through which region specific guidelines can be established.

Dual Band Infrared Thermography as a NDT Tool for the Characterization of the Building Materials and Conservation Performance in Historic Structures

1999 ◽  
Vol 591 ◽  
Author(s):  
A. Moropoulou ◽  
N.P. Avdelidis ◽  
M. Koui ◽  
N.K. Kanellopoulos
Keyword(s):  
Porous Materials ◽  
Infrared Thermography ◽  
Building Materials ◽  
Capillary Rise ◽  
Dual Band ◽  
Nondestructive Technique ◽  
Macro Scale ◽  
Historic Monuments ◽  
Repair Mortars

ABSTRACTInfrared thermography is a non-destructive investigation technique, which is largely used because of the outstanding advantages that it is capable to provide in a variety of applications and especially for conservation purposes of historic monuments, where destructive sectioning is prohibited. In the present work, dual band infrared thermography (3–5.4 μm and 8–12 μpm) is used, to evaluate the humidity distribution by capillary rise in reference samples of porous materials in lab, in order to validate the examination of real scale material systems in situ. The combined study of vapor/moisture transport in prototypes simulating porous materials under controlled environmental conditions (Relative Humidity 60–80% & Temperature 25–40°C), provides interpretation tools to the investigation by IR Thermography of transport phenomena occurring at the masonry. The cross-investigation of consolidated porous stones and of repair mortars, in lab and in situ on historic monuments in Greece, permits to evaluate the performance of conservation materials, regarding their compatibility to the porous building stones on historic masonries. It is deduced that Infrared Thermography by recording thermal maps of the real surfaces under study provides information on the differential behavior of the various materials on the masonry scale regarding the water impregnation and evaporation phenomena, which control the weathering effects in porous media. Hence, infrared thermography might be used as a nondestructive technique to evaluate on a micro and macro scale the performance of conservation interventions and materials, in compatibility to the original materials on the level of the structures.

scholarly journals Laser Heating and Infrared Thermography of Building Materials

2021 ◽  
Vol 09 (03) ◽  
pp. 223-229
Author(s):  
Aschalew Kassu ◽  
Carlton Farley III ◽  
Christina P. Tsoli
Keyword(s):  
Infrared Thermography ◽  
Laser Heating ◽  
Building Materials
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