Compaction Factor Test for Concrete Workability

The compaction factor is primarily used in the field of concrete construction to assess the workability and density of the concrete mix. However, it can also be applied in other areas where compaction plays a crucial role, such as soil mechanics and geotechnical engineering.

To calculate the compaction factor, you need to determine the weight of partially compacted concrete (W1) and the weight of fully compacted concrete (W2). Subtract the weight of the empty cylinder (W) from both values and apply the formula: Compaction Factor = (W1 - W) / (W2 - W).

A compaction factor of 0.95 indicates that the partially compacted concrete weighs 95% of the weight of fully compacted concrete.

The compaction factor value is the ratio of the weight of partially compacted concrete to the weight of fully compacted concrete. It is used to assess the workability and density of the concrete mixture. The value is calculated as (W1 - W) / (W2 - W), where W1 represents the weight of partially compacted concrete, W2 represents the weight of fully compacted concrete, and W represents the weight of the empty cylinder.

The two methods of compaction test are the standard Proctor compaction test and the modified Proctor compaction test.