Chapter 9 Materials for construction in deserts
Published:January 01, 2012
A. B. Poole, R. Hughes, Engineering Group Working Party, 2012. "Chapter 9 Materials for construction in deserts", Hot Deserts: Engineering, Geology and Geomorphology Engineering Group Working Party Report, M. J. Walker
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Civil engineering constructions of all kinds use large quantities of natural materials ranging from soils and clays through sand, gravel and crushed rock to large blocks of rock, which may be used as armourstone, for shaping into dimension stone, or as cladding, tiles or pavers. Excavation, cuttings and ground preparation associated with many construction projects require large volumes of soil and rock to be removed. Where possible, this bulk material is reused as foundation layers for buildings and roads, and, more commonly, as fill for embankments or bunds.
Today, there is increasing pressure to reuse or recycle the demolition waste materials from redundant buildings. Timber is a scarce commodity in desert regions and is usually imported. Consequently, it is often reused or used as a fuel source. However, it is also becoming more common for solid building wastes such as concrete and brick to be recycled as ‘secondary’ aggregate or fills.
Natural geological materials of all kinds may be found in desert regions and are described in Chapters 3 and 5. They are similar to materials found in other parts of the world, but the special environmental conditions of deserts (as described in Chapters 2–4) can lead to the alteration of these geological materials to form unique associations of rock, and also to create new ones that are specific to deserts.
Where possible, the bulk natural raw materials for construction in deserts are sourced locally, which may imply that less than ideal material will have to be used in
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Hot Deserts: Engineering, Geology and Geomorphology Engineering Group Working Party Report
This volume provides an authoritative and comprehensive state-of-the-art review of hot desert terrains in all parts of the world, their geomaterials and influence on civil engineering site investigation, design and construction. It primarily covers conditions and materials in modern hot deserts, but there is also coverage of unmodified ancient desert soils that exhibit engineering behaviour similar to modern desert materials. Thorough and up-to-date guidance on modern field evaluation and ground investigation techniques in hot arid areas is provided, including reference to a new approach to the desert model and detailed specialized assessments of the latest methods for materials characterization and testing.
The volume is based on world-wide experience in hot desert terrain and draws upon the knowledge and expertise of the members of a Geological Society Engineering Group Working Party comprising practising geologists, geomorphologists and civil engineers with a wealth of varied, but complementary experience of working in hot deserts.
This is an essential reference book for professionals, as well as a valuable textbook for students. It is written in a style that is accessible to the non-specialist. A comprehensive glossary is also included.