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Passive pressure in frost zone

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haynewp

haynewp

Structural
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I saw in a geotech report where passive pressure was not allowed to be considered in the frost zone. Why is this?
 
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The thaw following the freezing of the ground destroys the availability of passive resistance - particularly in silty soils.

[pacman]

Please see FAQ731-376 for great suggestions on how to make the best use of Eng-Tips Fora.
 
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