Heave: geohazard storage tank model video

Pennington, Catherine. Heave: geohazard storage tank model video. 11 July 2013, [Output (Electronic)]

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A video published on the BGS YouTube channel shows the effect of a clay swelling due to water ingress and the subsequent damage to the house above. This hazard is known as heave and is associated with the shrinking and swelling properties of clays. This tends to be a problem in areas of dry climates subject to occasional heavy rain. As the clay gets wetter, it swells and pushes the ground above it upwards damaging the house. Shrinkage of clay (the opposite process) tends to be more dominant in wetter climates subject to occasional prolonged dry spells.

Item Type: Output (Electronic)
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Date made live: 28 Mar 2014 15:24 +0 (UTC)

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