Soil Mechanics and Foundation
A grillage foundation

Is treated as spread foundation
Consists of two sets of perpendicularly placed steel beams
All of these
Is provided for heavily loaded isolated columns

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Soil Mechanics and Foundation
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then

The liquid limit of soil always decreases
The liquid limit of soil may increase
The liquid limit of soil always increases
The liquid limit of soil may decrease

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