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Desiccation in clay soils

Series/doc. No Digest Digest 412
Year 1996
Abstract Desiccation in clay soils can result in shrinkage of the soil and subsidence of the ground; this may lead to damage to buildings. As the soil re-hydrates, it can swell, resulting in ground heave; this may also cause damage to buildings. In many ground investigations, it is important to establish the extent and depth of any desiccation but this is not always easy. This Digest describes the most commonly used techniques for detecting desiccation and gives guidance on how to use the results of some of these techniques to estimate heave potential.
ISBN 9781860810725
Subject(s) Building structure
Groundwork/site investigation for buildings
Building foundations/ground floors
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Publisher BRE
Publisher History BRE is a building science centre that generates new knowledge through research. This is used to create products, tools and standards that drive positive change across the built environment. BRE helps its government and private sector clients meet the significant environmental, social and economic challenges they face in delivering homes, buildings and communities. BRE is owned by the BRE Trust, a registered charity. The Trust uses the profits made by the BRE companies to fund research and education that advances knowledge of the built environment.
Table Of Contents
The significance of desiccation 1
Methods of detecting desiccation 2
Estimating ground heave following tree removal 6
References and further reading 12


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