02-11-2016, 02:11 PM
1463510794-PresentationONTIMBER.pptx (Size: 2.58 MB / Downloads: 13)
Introduction of Timber : The timber which is suitable or fit for Engineering construction or Engineering purpose is called timber.
TYPES OF TREES:
1.Endogenous trees2.Exogenous trees
Exogenous
Conifers or evergreen
e.g. pine, deodar
Deciduous
e.g. teak, Sal etc.
Seasoning of Timber & its types
NATURAL SEASONING
ARTIFICIAL SEASONING :
Kiln seasoning
Chemical seasoning
Electric seasoning
Water seasoning
Conclusion: The wood or timber is the most valuable raw material of the building industry, possesses of various properties such as low heat conductivity, small bulk density relative high strength etc.