Landscaping License Practice Test

What is the minimum compaction force required for concrete pavers?

1. 3,000 lbs

2. 4,000 lbs

3. 5,000 lbs

4. 6,000 lbs

The correct answer is: 5,000 lbs

The minimum compaction force required for concrete pavers is essential for ensuring that the pavers are properly set and will provide a stable, long-lasting surface. A compaction force of 5,000 lbs is generally recognized as the appropriate threshold for achieving adequate interlock and densification of the base material beneath the pavers. This level of force helps to eliminate air pockets and ensures that the pavers are firmly set, which ultimately contributes to the durability of the paving system. Using a force lower than this minimum can result in an inadequate compaction, leading to future settling or shifting of the pavers. This can cause uneven surfaces and potentially compromise the integrity of the installation, making the area more susceptible to damage from traffic or environmental conditions. The specified force of 5,000 lbs strikes a balance between achieving effective compaction while also being manageable for standard compacting equipment used in landscaping applications.