بررسي دوام چوبهاي ساج ، بالايو، كرويينگ و چنگال مورد مصرف در سازه هاي چوبي در مقابل حفاران دريايي در سواحل استان هرمزگان

Samples of teak, keruing, balau and chengal were treated (impregnated) by coal tar oil (Creosote) using ruping method. The treated samples were compared with control samples of exotic wood, beech and oak (Iranian wood species) were also installed in sea water according to IRG/WP/4432. During 6, 9, 21, 28, 46 months, the samples were inspected according with recommendation of IRG/Wp/4432. During this installation period, all the control samples (no treated), expect chengal, were seriously attacked by marine borers. All the treated samples, expect balau, after 46 months installation in sea water, were undamaged. Treated samples of Balau after 21 months were attacked by marine Borers.