Soil Mechanics and Foundation
A grillage foundation

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

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Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

consolidated undrained test
unconsolidated undrained test
consolidated drained test
unconsolidated drained test

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