The data from a standard Proctor test are shown in the table below. a. Determine the maximum dry unit weight and the optimum water content. b. Plot the zero air voids line. c. Determine the degree of saturation at the maximum dry unit weight. Diameter of mold 101.4 mm Height of mold 116.7 mm Mass of mold 4196.50 grams Specific gravity, Gs 2.722

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Soil Compaction Test

Soil compaction is the major area of geotechnical engineering. Soil is composed of multiple pores present on its surface, while the soil is mainly composed of gravel, sand, rocks, etc. The arrangement of these rocks and gravels is such that they build up voids (spaces) between them, which allows spaces for the roots of the plants and crops to spread and absorb the required amount of nutrients. Soil compaction is a major problem primarily caused by human activities, micro-organisms, and other multiple factors.