Term of the Day for Sunday, March 6, 2016

stratification

Definitions (5)

1. The separation of overwet or overvibrated concrete into horizontal layers with increasingly lighter material toward the top. Water, laitance, mortar, and coarse aggregate will tend to occupy successively lower positions in that order.

2. A layered structure in concrete resulting from placing of successive batches that differ in appearance.

3. The occurrence in aggregate stockpiles of layers of differing grading or composition.

4. A layered structure in a rock formation.

5. The flow at the junction of two airstreams in layers that prevent the proper mixing of the two airstreams.


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