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A warehouse 40 ft x 100 ft in plan is to be constructed on the soil profile shown in the sketch below. The structure will be supported by a slab which is assumed to distribute the building loads

A warehouse, 40 ft x 100 ft in plan, is to be constructed on the soil profile shown in the sketch below. The structure will be supported by a slab which is assumed

to distribute the building loads uniformly to the soil. Laboratory one-dimensional consolidation tests on the clay reveal that the magnitude of ?p’ increases approximately uniformly with depth and is about 1550 psf greater than ?o’. A review of the local geologic history indicates that wind-
blown sand dune had passed over the area at one time, accounting for the uniform increase in ?p’.

Values of Cc, Cr, and eo determined from laboratory tests on three samples obtained from different depths are:

Sample

Depth (ft)

Cc

Cr

eo

1

25

0.62

0.060

0.81

2

35

0.60

0.072

0.76

3

45

0.66

0.074

0.68

Determine the maximum differential settlement at the ground surface due to the consolidation of the clay stratum.

May 26 2020 View more View Less

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