Principle of mechanical properties of Hornbeam wood (Carpinus betulus L.) at different regions of northern part of Iran
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In this study, mechanical properties of Hornbeam wood (Carpinus betulus L.) at four different locations of Caspian forests (North of Iran) are investigated. The locations are including Asalem (37°56´55. N, 48°52´84. E), Visar (36°11´57. N, 51°06´26. E), Sangdeh (36°05´28. N, 52°25´41. E) and Golestan (36°25´41. N, 51°35´25. E). The test materials were derived from randomly chosen trees. Mechanical properties such as static bending strength, compression strength parallel to grain, impact strength and shear strength are measured on two moisture levels: green and air-dried (12 % moisture content). The results are obtained for the species at different geographical locations, ages, and mechanical properties.