Contents
Foreword
Members of the Working Party
Chapter 1 Introduction
1.1. Deserts
1.2. The Working Party
1.3. Structure of the report: contents
References
Chapter 2 Desert environments
2.1. Defining deserts
2.2. Distribution of the world’s deserts
2.3. Causes of aridity
2.4. Controls on the diversity of desert environments
2.5. Past climate change in deserts
2.6. Challenges facing desert environments
References
Chapter 3 Processes and landforms in deserts
3.1. Weathering
3.2. Wind, sand and dust
3.3. Fluvial geomorphology
3.4. Subsurface water, salts and aggressive ground
3.5. Conclusions
References
Chapter 4 Hazards and the desert ground model
4.1. Desert hazards
4.2. Existing desert ground models
4.3. An Earth systems model for desert landscape classification
4.4. Conclusions and recommendations
References
Chapter 5 Soil and rock description and characteristics
5.1. Hot deserts surfaces and soils
5.2. Existing soil and rock characterization and classification schemes
5.3. Recommended method for hot desert soil and rock characterization and classification
References
Chapter 6 Desk study, remote sensing, geographical information systems and field evaluation
6.1. The value of desk study and field evaluation
6.2. Themes for this chapter
6.3. The approach to and scope of desk study and field evaluation
6.4. Desk study
6.5. Remote sensing
6.6. Field evaluation
6.7. Geographical information systems (GIS) and data management
6.8. Reporting of the Stage I investigations (desk studies and field evaluations)
6.9. Case histories
Appendix to Chapter 6: remote sensing and GIS Internet links
References
Chapter 7 Ground investigation, testing and interpretation of results
7.1. Ground investigation methods
7.2. Sampling
7.3. In situ and laboratory testing
7.4. Review of investigation techniques for individual environments
7.5. Interpretation of results and reporting
7.6. Ground investigation during construction
Appendix to Chapter 7: laboratory and in situ testing procedures
References
Chapter 8 Engineering behaviour of desert soils
8.1. Mechanics of sands
8.2. Moisture in desert soils
8.3. Mechanics of partially saturated soils
8.4. Dry soils
8.5. Potentially collapsible soils
8.6. Expansive clays
8.7. Salts
8.8. Mechanics of cemented soils
8.9. Soils from sabkha and salina environments
References
Chapter 9 Materials for construction in deserts
9.1. Engineering materials in the desert environment
9.2. Rock for engineering purposes
9.3. Sand, gravel and crushed rock aggregates
9.4. Materials for road construction
9.5. Concrete and mortars
9.6. Traditional materials for building construction
9.7. Construction and demolition wastes
9.8. Sources of water and water quality
References
Chapter 10 Engineering design and construction
10.1. Earthworks
10.2. Foundations
10.3. Roads and pipelines
10.4. Coastal development
10.5. Flooding and erosion
10.6. Groundwater changes due to urbanization and development
10.7. Wind-blown sand and dust
10.8. Concrete structures
10.9. Traditional construction
10.10. Environmental protection and sustainability
References
Glossary of some engineering and geological terms
Index