​WOOD

A Fascinating Natural Resource



Book description

With wood as a most useful, environmentally friendly and versatile natural resource on the planet earth, with a great deal of uses and  potentials just like any other material of significance such as metals, plastics and composites etc. Notably, wood is a big source of inspiration in that it possesses a structure of infinite variation of details and designs which makes no two wood specimens from the same source identical! These exciting attributes and many more make its study most significant and therefore explicitly explored in this book.

The book was prepared to satisfy the curricula requirements of wood structures and product attributes approved by the national and international boards for technical education, and other apex examination commissions around the world. It therefore meets the needs of high schools, monotechnics, polytechnics, research organizations and universities.

​Table of content

Preface   viii

Section One     CHARACTERISTIC NATURE OF  WOOD.. 1

CHAPTER 1          Wood and Wood Quality.. 2   ​​N399.00  ($1)

1                  Introduction. 2

1.1              Tree description. 2

1.2              Nature of wood.. 7

1.3              Wood sections. 8

1.4              Wood macroscopic structure. 11

1.5              Wood microscopic structure. 16

1.6              Hardwood and softwood microscopy. 23

1.7              Wood classification. 31

1.8              Wood variability. 32

1.9              Wood quality. 42

1.10            Wood serviceability. 46

CHAPTER 2          ​Tree Species: Identification and Descriptions.. 48   ​​N399.00  ($1)

2                  Introduction. 48

2.1              Common exotic hardwoods in Europe, America and Asia. 50

2.2              Common exotic softwoods in Europe, America and Asia. 86

2.3              Common domestic hardwoods of African origin. 102

2.4              Common domestic woods of Nigerian origin. 142

2.4.1          Tree species found in the northern Nigeria. 142

2.4.2          Tree species found in the southern Nigeria. 162

2.5              Bamboo.. 187

CHAPTER 3           ​Engineering Properties of Wood.. 192   ​​N399.00  ($1)

3                  Introduction. 192

3.1              Physical characteristic properties. 192

3.2              Strength (mechanical) properties. 200

3.3              Hardness properties. 204

3.4              Thermal characteristic properties. 205

3.5              Electrical characteristic properties. 206

Section Two         ECONOMIC VALUES OF WOOD & DEFECTS.. 208

CHAPTER 4                               Economic Values of Wood.. 209   ​​N399.00  ($1)

4                  Introduction. 209

4.1              Choice of wood.. 209

4.2              Wood utilization. 210

4.3              Economic values of wood.. 210

4.4              Sustaining wood resources. 211

CHAPTER 5          Wood Defects.. 212   ​​N399.00  ($1)

5                  Introduction. 212

5.1              Classification of defects. 213

5.1.1          Defects due to natural forces. 214

5.1.2          Defects due to wood conversion processes. 230

5.1.3          Defects due to wood seasoning.. 232

5.1.4          Defects due to wood drying.. 234

5.1.5          Defects due to fungi attack. 235

5.1.6          Defects due to insect and pest attacks. 238

5.1.7          Effects of wood defects. 241

5.2              Wood deterioration and control 241

Section Three       WOOD PRODUCTS & FASCINATION... 247

CHAPTER 6       Wood Products.. 248   ​​N399.00  ($1)

6                  Introduction. 248

6.1              Natural wood products. 248

6.2              Engineered wood products. 252

6.2.1          Panel based engineered wood products. 259

6.2.2          Lumber based engineered wood products. 268

6.3              Specialty wood products. 271

6.4              Pulp and paper products. 272

Chapter 7       Fascinating Trees and Products.. 277   ​​N399.00  ($1)

7                  Introduction. 277

7.1              Amazing trees. 277

7.2              Bizarre tree trunks. 286

7.3              Age long trees. 289

7.4              Thrilling tree branches and roots. 300

7.5              Artful trees. 308

7.6              Trees  and national identity. 321

Chapter 8        Outlook on Nigeria Wood Sector. 327   ​​N399.00  ($1)

8                  Introduction. 327

8.1              Nigeria wood product sector 327

8.2              Nigeria wood products demand.. 328

8.3              Nigeria wood product supply. 329

8.4              Nigeria domestic woods supply. 330

Appendix                  Quantities for measurement 331

References. 336

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