SUMMARY TO TIMBER STRUCTURE DESIGN

1. TIMBER STRUCTURAL DESIGN

1.1. 1. FLEXURAL MEMBER

1.2. 2.COMPRESSION MEMBER

1.3. 3. TENSION MEMBER

2. PERMISSIBLE STRESS DESIGN OF TIMBER

2.1. Malaysian Standard MS 544

2.2. Permissible stress = Grade stress x appropriate modification factor

3. TYPES OF TIMBER

3.1. Softwood vs Hardwood

3.2. Sapwood vs Heartwood

4. DECEFTS IN TIMBER

4.1. 1. Natural Defects

4.2. 2. Chemical Defects

4.3. 3. Conversion Defects

4.4. 4. Seasoning Defects

5. PROPERTIES OF TIMBER

5.1. 1. Moisture content

5.2. 2. Density

5.3. 3. Slope of grain

5.4. 4. Timber defects

5.5. 5. Timber grading

5.5.1. Two types of grading: • Visual grading • Machine grading

5.6. 6. Position in tree and Condition of growth