Grading

Strength-reducing factors
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Understand the growth features in timber and timber degradation
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Strength properties
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Comprehend the strength properties of timber and its structure
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Principles of design with timber
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Understand structural considerations when designing with timber, which factors affect its strength, timber movement, differential movement and the resistance to abrasion and the impact it has.
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Timber strength grading and strength classes
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Acknowledge the different types of strength grading, regulations and standards timber has to go through in order for it to be approved for structural purposes.
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