Public test guide

Aggregate soundness

Accelerates repeated weathering action to assess whether aggregate is likely to break down under environmental exposure.

Plain-language explanation

What the test tells you.

The project specification controls the exact method and acceptance requirement.

Prepared aggregate is cycled through the specified chemical solution and drying process, then checked for loss.

Graded aggregate, specified solution, controlled containers, drying oven, sieves and balance.

Mass loss or breakdown after the required number of cycles.

Supports durability selection for aggregate exposed to wetting, drying or other severe service conditions.

Typical test sequence

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Send the project, sample quantity, location and required completion date.