Ladislav Reinprecht

Wood Deterioration, Protection and Maintenance (eBook, ePUB)

• Format: ePub

Produktbeschreibung

WOOD DETERIORATION, PROTECTION AND MAINTENANCE Wood has low embodied energy, is a renewable resource and can perform extremely well in a range of construction applications, so it is not surprising that there is growing interest in the use of wood in new buildings. As a natural material, wood can be subject to degradation by a range of environmental factors, insects, bacteria or fungi. Advances in the understanding of the degradation processes caused by these factors, as well as increased knowledge about boundary environmental conditions and the extractives that suppress the development of timber pests, have led to new methods of structural, physical and chemical protection of wood and wooden composites. The result is that wood can deliver high-performance, long-life buildings and structures with low environmental impact at relatively modest cost. Wood Deterioration, Protection and Maintenance provides an up-to-date discussion of the natural durability of wood, wood degradation processes, and methods of structural, physical and chemical protection of wood. The important information relating to wood degradation by abiotic and biotic agents in the context of the basic structure of wood is fully discussed, showing how structural changes in damaged wood relate to physical and mechanical properties. Modern active substances in wood protection and the relationships between preservative properties, the anatomical structure and moisture content of wood, and protective processes involving pressure and/or diffusion driving forces are fully illustrated. Mentioned also are principles of wood maintenance, together with modes of damaged wood identification, sterilization and reconstruction. OTHER BOOKS OF INTEREST Wood Modification: Chemical, Thermal and Other Processes Callum A. S. Hill Hardback ISBN 9780470021729 January 2006, Wiley Wood in Construction: How to Avoid Costly Mistakes Jim Coulson Paperback ISBN 9780470657775 March 2012, Wiley Blackwell Structural Timber Design to Eurocode 5, 2nd Edition Jack Porteous, Abdy Kermani Paperback ISBN 9780470675007 May 2013, Wiley Blackwell

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Produktdetails

• Verlag: John Wiley & Sons
• Erscheinungstermin: 8. August 2016
• Englisch
• ISBN-13: 9781119106517
• Artikelnr.: 45682901

Autorenporträt

THE AUTHOR

Prof. Ing. Ladislav Reinprecht is a wood protection specialist at the Faculty of Wood Sciences and Technology, Technical University of Zvolen, Slovak Republic. He holds an MSc in Organic Chemistry from the Slovak Technical University in Bratislava and a PhD in Wood Technology from the Technical University of Zvolen.

Inhaltsangabe

Preface ix

About the Author xi

1 Wood Durability and Lifetime of Wooden Products 1

1.1 Basic information about wood structure and its properties 1

1.1.1 Wood structure 3

1.1.2 Wood properties 10

1.2 Types and principles of wood degradation 12

1.3 Natural durability of wood 14

1.4 Methods of wood protection for improvement its durability 17

1.5 Service life prediction of wooden products 18

1.5.1 Lifetime of wooden products 20

1.5.2 Service life prediction of wooden products by factor method 21

1.5.3 Life cycle assessment of wooden products 22

References 25

Standards 27

2 Abiotic Degradation of Wood 28

2.1 Wood damaged by weather factors 28

2.2 Wood damaged thermally and by fire 34

2.2.1 Thermal wood decomposition 34

2.2.2 Wood burning: fire 36

2.3 Wood damaged by aggressive chemicals 45

2.3.1 Corrosion of wood by chemicals under aerobic conditions 45

2.3.2 Corrosion of wood by chemicals under anaerobic conditions: wood fossilization 49

2.4 Properties of abiotically damaged wood 50

2.4.1 Properties of weathered wood 50

2.4.2 Impact of increased temperature and fire on wood properties 52

2.4.3 Impact of water and other chemicals on wood properties 53

References 57

Standards 61

3 Biological Degradation of Wood 62

3.1 Wood damaged by bacteria 62

3.2 Wood damaged by fungi 65

3.2.1 Reproduction, classification and physiology of wood-damaging fungi 66

3.2.2 Wood-decaying fungi 76

3.2.3 Wood-staining fungi and moulds 88

3.3 Wood damaged by insects 91

3.3.1 Reproduction, classification and physiology of wood-damaging insects 91

3.3.2 Wood-damaging insects 97

3.4 Wood damaged by marine organisms 106

3.4.1 Shipworms 106

3.4.2 Limnoria 107

3.5 Mechanisms of wood biodegradation 108

3.5.1 Biodegradation of cellulose 110

3.5.2 Biodegradation of hemicelluloses 113

3.5.3 Biodegradation of lignin 114

3.6 Properties of biologically damaged wood 117

3.6.1 Properties of rotten wood 117

3.6.2 Properties of wood having galleries 118

References 120

4 Structural Protection of Wood 126

4.1 Methodology of structural protection of wood 126

4.2 Selection of suitable wood materials 126

4.3 Design proposals for permanently low moisture of wood 129

4.3.1 Estimated moisture of wood 129

4.3.2 Shape optimizations for wood moisture reduction 131

4.3.3 Waterproofing and other isolations of wood and wooden composites from water sources 137

4.3.4 Structural design to prevent condensed water generation 140

4.3.5 Regulation of climatic conditions in interiors 141

4.4 Fire sections and other fire-safety measures 142

References 143

Standards 144

5 Chemical Protection of Wood 145

5.1 Methodology, ecology and regulation of chemical protection of wood 145

5.1.1 Methodology and legislation of chemical protection of wood 146

5.1.2 Toxicological and ecotoxicological standpoints of chemical protection of wood 149

5.1.3 Regulation of chemical protection of wood 151

5.2 Preservatives for wood protection 152

5.2.1 Bactericides 152

5.2.2 Fungicides: for decay, sap-stain and mould control 153

5.2.3 Insecticides 163

5.2.4 Fire retardants 167

5.2.5 Protective coatings against we