A dry sand is placed in a container having a volume of 1⁄4 ft3. The dry soil weight is 27 lb. If the specific gravity of soil solids is 2.75, determine the void ratio of the sand in the container. Also, calculate the dry unit weight in kN/m3 and pcf.

A dry sand is placed in a container having a volume of 1⁄4 ft3. The dry soil weight is 27 lb. If the specific gravity of soil solids is 2.75, determine the void ratio of the sand in the container. Also, calculate the dry unit weight in kN/m3 and pcf.

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter5: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 5.2P

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Concept explainers

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.

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