Combustion properties for tree species of major structural components of traditional wooden buildings

摘要

The wooden buildings in general are always exposed to the fire risks due to a material properties. In the fire risk assessment and the spread simulation for forest fire or common fires as well as the fires in both living and industrial areas, we will be able to elicit more accurate interpretation and results by applying the values of combustion properties according to materials depending upon the species of the trees. Such a combustion property according to each material can be figured out by means of heat release rate, ignition quality, and combustion weight, etc. After distinguished the tree species of major structural components of wooden buildings, the combustion properties of each tree species were measured making use of the Cone Calorimeter (ISO 5660-1). As the species of the trees for pillars, crossbeams, girders, and other supplementary materials of the wooden buildings, P. denstiflora, A. holophyila, Z. serrata, Q. acutissima were mostly used. Accordingly, we conducted an analysis on the HRR, THR, and TTI, etc. From the results, we learned that there were differences in the combustion properties according to each tree species. And it should be used this database upon combustion properties according to the species of the trees for prediction of forest fire as well as of fire behaviors of traditional wooden buildings.