Following the liquid limit test, a plastic limit test was conducted on the same soil following ASTM D4318 and the following data were obtained: Sample # 3 Can # Mass of can + the moist thread crumbles (grams) Mass of can + the dry thread crumbles (grams) Mass of the can, Mc (grams) 6- The water content in sample 1 is --,-- % 7- The water content in sample 2 is --,-- % 8- The water content in sample 3 is --,-- % 9- The plastic limit is --,-- % 10- The plasticity index --,-- % 1 A-4 15.47 14.79 11.56 2 A-5 16 15.23 11.68 A-6 16.27 15.46 11.68

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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.