Sustaining modern heritage buildings: Visual defect categorisation guides for the general condition survey of rendered-painted facades

Ertemir, D Y and Edis, E (2023) Sustaining modern heritage buildings: Visual defect categorisation guides for the general condition survey of rendered-painted facades. International Journal of Building Pathology and Adaptation, 41(3), pp. 606-624. ISSN 23984708

Abstract

Purpose: Regular inspection and maintenance is recommended to preserve and sustain built cultural heritage. Systematising inspection processes and knowledge on defects, and providing pictorial guides for evaluating defects is an approach that may facilitate their condition survey. Generating pictorial guides for preliminary visual inspection of Modern Heritage buildings with rendered-painted facade concerning two defects (i.e. crack and efflorescence) is aimed in this study. These guides are thought as aids in determining the defect levels and deciding the necessity of advanced examination and/or maintenance. Analysing briefly the evolution of crack over time in the inspected buildings under environmental conditions of Istanbul (Turkey) is also aimed. Design/methodology/approach: Preliminary guide generation was based mainly on literature survey on defects, and visual data collection from eight Modern Movement examples in Istanbul. The guides were then refined through systematic visual inspection of three buildings among them. Evolution of crack over time was analysed through a second inspection performed after 2.5 years. Findings: Visual inspections showed that crack is the commonest defect occurring mostly on projecting structural members, while efflorescence is less in number. Comparison of cracks' visuals taken in the first and second inspections showed that deterioration process is slow. Originality/value: Modern heritage buildings usually have some characteristic features, which may sometimes lead to accumulation of defects at certain locations or may lead to formation of certain defects. Generating visual guides as a start for an initiative for a comprehensive defects catalogue particular for Modern Movement buildings in line with associated cultural heritage standards may contribute to their preservation by easing the condition surveys.

Item Type: Article
Uncontrolled Keywords: built heritage; crack; degradation over time; efflorescence; modern movement; pictorial guide; visual inspection
Index terms: heritage building, methodology, evolution, environmental conditions, Istanbul, movement, deterioration, visual inspection, survey, Turkey, built heritage, inspection, degradation
Subjects: heritage and conservation, quality assurance, Geography, research methods, environmental science, professional practice, material degradation and durability, health behaviours and lifestyles, construction type, data collection methods
Topics: Quality Management, Design Practice, Construction Materials, Engineering Principles, Geographical Context, Research Practice, Sustainability, Construction Technology
Descriptive scope: 4 PCTE

N.B. Descriptive scope is a count of how many of the five facets of empirical research are indicated by the words used in title, abstract and keywords. It is not intended as a judgement on the research; merely a count of the kind of word we would expect to indicate Phenomenon, Concepts, Theoretical framing, Empirical techniques, Analytical techniques. If all five are present, then a code of “5 PCTEA” will indicate this. If you feel the coding for this record is questionable, we welcome discussion around the terms we matched or the way we categorized them. The facet you would expect may not be coded, or a facet may be coded inappropriately. This can also bear on a larger question, of which facets should be treated as defining in construction management research. Please get in touch, and we will look at it. More details here