CHIMNEYS' INFLUENCE ON FIRE RISK OF SOLID WOOD STRUCTURES IN RESIDENTIAL BUILDINGS IN RURAL BALKAN SETTLEMENTS
Journal
Thermal Science
Date Issued
2021
Author(s)
Laban Mirjana
Cvetkovska Meri
Trombeva Gavriloska Ana
Dragancic Suzana
Lazarevska Marijana
Dzolev Igor
DOI
10.2298/TSCI190525138L
Abstract
According to official fire statistics, chimney fires account for almost 20% of all
fires that occur in family residential buildings every year in the Balkan region. The
high temperature from the chimneys may have an influence on fire spreading to
the wooden girders. The objective of the study was to gather and analyse data on
timber structure fire incidents occurring in family residential buildings in lowland
rural settlements in Serbia (2010-2014) and a mountain settlement in Montenegro
(2007-2013) in order to determine the extent to which existing data can be used
in fire risk assessment. Additionally, the chimney-timber floor heat transfer mech anism was investigated, namely, the time dependent temperature distribution in
the cross-section of few types of mostly used chimneys and floor structures were
analysed. This research illustrates how the lack of chimney maintenance and social
vulnerability of the settlements (aged rural population with low incomes, living in
many cases alone in old houses in areas with limited access to distance heating
systems or piped gas) could influence the fire risk in timber structures in rural low land and mountain areas. It is shown that significant differences exist with respect
to fire causation over time and the type of wooden structural elements – due to
different temperature distribution in the cross-sections of the floor structure, both
in lowland and mountain settlements
fires that occur in family residential buildings every year in the Balkan region. The
high temperature from the chimneys may have an influence on fire spreading to
the wooden girders. The objective of the study was to gather and analyse data on
timber structure fire incidents occurring in family residential buildings in lowland
rural settlements in Serbia (2010-2014) and a mountain settlement in Montenegro
(2007-2013) in order to determine the extent to which existing data can be used
in fire risk assessment. Additionally, the chimney-timber floor heat transfer mech anism was investigated, namely, the time dependent temperature distribution in
the cross-section of few types of mostly used chimneys and floor structures were
analysed. This research illustrates how the lack of chimney maintenance and social
vulnerability of the settlements (aged rural population with low incomes, living in
many cases alone in old houses in areas with limited access to distance heating
systems or piped gas) could influence the fire risk in timber structures in rural low land and mountain areas. It is shown that significant differences exist with respect
to fire causation over time and the type of wooden structural elements – due to
different temperature distribution in the cross-sections of the floor structure, both
in lowland and mountain settlements
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