The unit weight of a compacted sand backfill was determined by field measurement to be 1738 kg/m3. The water content and void ratio of the laboratory compacted soil was 10.2% and 60.7% respectively. What was the degree of compaction achieved in field? Assume water content remain constant (G = 2.7).

The unit weight of a compacted sand backfill was determined by field measurement to be 1738 kg/m3. The water content and void ratio of the laboratory compacted soil was 10.2% and 60.7% respectively. What was the degree of compaction achieved in field? Assume water content remain constant (G = 2.7).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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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The unit weight of a compacted sand backfill was determined by field
measurement to be 1738 kg/m3. The water content and void ratio of the laboratory compacted soil was
10.2% and 60.7% respectively. What was the degree of compaction achieved in field? Assume water
content remain constant (G = 2.7).
%3!

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