CHARACTERISATION AND GRADING OF TWO SELECTED TIMBER SPECIES GROWN IN KWARA STATE NIGERIA

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dc.contributor.authorJIMOH, A.A.
dc.contributor.authorAINA, S.T.
dc.date.accessioned2018-12-20T09:30:30Z
dc.date.available2018-12-20T09:30:30Z
dc.date.issued2017
dc.description.abstractThis study investigates the physical and mechanical properties of two timber species for structural use. Three logs of each specie were obtained at different areas of Kwara State, of Nigeria which is located north in the periphery of the south-western rain forest area,sliced into 2” by 12” size before seasoning naturally and their structural/strength properties were determined at a moisture content of 18%. These logs were cut into test samples for the determination of their properties. A total of 351 samples (45 samples for each test) free from visible defects was used for each specie. Basic physical properties of the samples like moisture content, specific gravity and density was determined. Tensile strength, modulus of rupture, modulus of elasticity, compression, shear and hardness were the mechanical tests carried out according to BS 373 (1957), CP112 (1971), NCP2 (1973), EC5 (1995) and BS 5268 (2002) specifications on Universal Testing Machine (UTM). Results were analysed statistically using Analysis of Variance (ANOVA). A. Indica was graded into strength class D40 while X. Aethiopica was grade into strength class D70.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1515
dc.language.isoenen_US
dc.publisherFACULTY OF ENGINEERING , UNIVERSITY OF NIGERIA, NSUKKAen_US
dc.relation.ispartofseriesVOL. 36 NO. 4;
dc.subjectAzadirachta indicaen_US
dc.subjectCharacterisationen_US
dc.subjectGradingen_US
dc.subjectMechanical propertiesen_US
dc.subjectPhysical propertiesen_US
dc.subjectStructural timberen_US
dc.subjectXylopia aethiopicaen_US
dc.titleCHARACTERISATION AND GRADING OF TWO SELECTED TIMBER SPECIES GROWN IN KWARA STATE NIGERIAen_US
dc.typeArticleen_US

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