Exam 2 Cm3503 Study Guide With Complete
Solutions Graded A+ Year 2025/26 Updated
To increase their unit weights
To increase the strength of the soil
To decrease the amount of settlement of structures.
To increase the stability of slopes.
Effects of compacting loose soils:
Compaction
is the densification of soil by removal of air and water by means of mechanical
energy.
Dry Unit Weight
Compaction is measured by
softening agent
Water acts as a ______ _____ and allows movement of soil particles.
Density (or dry unit weight) and moisture content
A proctor curve (compaction curve) shows:
1. Moisture Content
2. Soil Type
3. Compaction Effort
3 things that affect compaction
increased; increases
As the compaction effort is ______ , the maximum dry unit weight _____.
increased; decreased
As the compaction effort is _____, the optimum moisture content is _____.
The Standard Proctor Test
Solutions Graded A+ Year 2025/26 Updated
To increase their unit weights
To increase the strength of the soil
To decrease the amount of settlement of structures.
To increase the stability of slopes.
Effects of compacting loose soils:
Compaction
is the densification of soil by removal of air and water by means of mechanical
energy.
Dry Unit Weight
Compaction is measured by
softening agent
Water acts as a ______ _____ and allows movement of soil particles.
Density (or dry unit weight) and moisture content
A proctor curve (compaction curve) shows:
1. Moisture Content
2. Soil Type
3. Compaction Effort
3 things that affect compaction
increased; increases
As the compaction effort is ______ , the maximum dry unit weight _____.
increased; decreased
As the compaction effort is _____, the optimum moisture content is _____.
The Standard Proctor Test