Dry wooden stakes,if driven into a small crac | vedclass

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(A) Imbibition is a special type of diffusion when water is absorbed by solids—colloids—causing them to enormously increase in volume.When dry wooden

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Imbibition

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(A) Imbibition is a special type of diffusion when water is absorbed by solids—colloids—causing them to enormously increase in volume.When dry wooden stakes are placed in a crack and soaked with water,the wood absorbs water through imbibition.This absorption causes the wood to swell,leading to a significant increase in volume.Since the wood is confined within the rock crack,this swelling generates a massive imbibitional pressure,which is sufficient to split the rock.

Dry wooden stakes,if driven into a small crack in a rock and then soaked,can develop enough pressure to split the rock. Such pressure is built up through the phenomenon of

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