| FORE0010-1 | |||||
| Wood science | |||||
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Duration :
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| 24h Th, 10h Pr, 12h SEM, 2h FT | |||||
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Number of credits :
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Lecturer :
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| Jacques Hebert | |||||
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Language(s) of instruction :
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| French language | |||||
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Organisation and examination :
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| Teaching in the first semester, review in January | |||||
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Units courses prerequisite and corequisite :
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| Prerequisite or corequisite units are presented within each program | |||||
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Learning unit contents :
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| . Physical, mechanical, biological properties : - moisture content, density, hardness; - strength and stiffness; - conductivity, combustibility,... . Wood defects due to growth excess, physical agents, plants or animals and man actions. . Microdensitometry, theory and practice. . Macroscopic recognition of temperate species wood samples. . Grading rules and standards for timber . "Assessment of strength and stiffness on structural wood, relationships between visual grading, strength measurement and machine stress grading" is replaced by the third part (12h) of the lecture INGE0004-2 "Procédés généraux de construction" given by Pr. Latteur on wood-based structures calculation. . Seminar (2h) by a scientific collaborator | |||||
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Learning outcomes of the learning unit :
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| The students will develop a knowledge of wood characteristics including properties and defects. After completing the course the student is expected to assess wood quality by means of suitable techniques such as measurements, grading and other tests argue consequences of silviculture options on wood characteristics (spruce) recognize the most common temperate species from a wood sample perform the calculation of a simple wooden structure | |||||
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Prerequisite knowledge and skills :
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| wood anatomy | |||||
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Planned learning activities and teaching methods :
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Mode of delivery (face-to-face ; distance-learning) :
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| Lectures : 24h Practical Works : 20h Seminars : 2h Field-study trip and visits : 2h |
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Recommended or required readings :
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| Madsen B (1992) Structural behaviour of timber, 405 p. + appendix Walker JCF (1993) Primary wood processing, 595 p. Zobel BJ, van Buijtenen JP (1989) Wood variation : its causes and control, 362 p. |
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Assessment methods and criteria :
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| Written examination (75%) Practical examination (25%) | |||||
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Work placement(s) :
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Organizational remarks :
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Contacts :
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| HEBERT Jacques Bât. GE Gembloux Agro-Bio Tech Passage des Déportés 2 5030 Gembloux Belgique +32 81 622295 jhebert@ulg.ac.be | |||||