Answer the following questions: First 5 questions are true or false, the rest ar

Question

Answer the following questions:

First 5 questions are true or false, the rest are fill in blanks

Relative compaction is the ratio of the field density over the maximum dry density. The constant head permeability test is generally performed on silts The falling head permeability test is generally performed on sands Field vanes are used to obtain the drained strength of clays The direct shear test is used to obtain the drained strength of soils The exit gradient is used to calculate the factor of safety against _____ For short term slope stability analyses we must used _____ stresses in the analyses For long term slope stability analyses we must used _____ stresses in the analyses Bishop is the recommended method of slices for _____ failures. Spencer is the recommended method of slices for _____ failures. Provide the names of three different lab tests done to obtain c' and phi' In consolidation theory the settlement of soils is divided into the following three contributions: Provide the names of two different lab tests done to obtain Su Provide the names of two

Explanation / Answer

1) True

Relative compaction is defined as the ratio of the in-place, density of a soil or aggregate to the maximum density

2) False.

Falling head test is for fine grained soil and silt is fine grained.

3) False.

Constant head test is for coarse grained soil and sand is coarse grained.

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