Grade Stresses and Strength Group of Plantation Timber: Acacia Mangium

Tree of Acacia mangium is one of the prime species in the national plantation forestry programme. The programme was initiated with a vision to offset the shortage of sawn timbers and to level with the current deficit of industry revenue. A continuous acquisition of the physical and mechanical data is carried out to ensure the utmost utilisation of plantation timber outputs. This article provides a comprehensive derivation of timber grade stresses and strength grouping procedure of Acacia mangium planted in Peninsular Malaysia.