Monday, 30 June 2014

Danger - quicksands!

'Danger - quicksands! Why do some rocks give way when it rains hard?' This ELI investigates pore water pressure in a sediment and demonstrates how raised pore water pressure can weaken apparently strong rocks/sediments, causing subsidence in buildings or landslides.
Many more such activities can be found on our website; all are FREE to download.

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