ASTM C1645-22 PDF Download

ASTM C1645-22 is a standard test method that evaluates the freeze-thaw and de-icing salt durability of solid concrete interlocking paving units. The test method is specifically designed for interlocking concrete paving units that meet the dimensional requirements outlined in Specification C936/C936M. The purpose of this test method is to assess the resistance of these units to freezing and thawing conditions, either in tap water or a 3% saline solution, depending on their intended use in real-world applications.

By subjecting the concrete paving units to freeze-thaw cycles, this standard can determine their durability and ability to withstand the effects of freeze-thaw cycles and de-icing salt exposure. The test solution used in the evaluation is chosen based on the anticipated usage of the paving units. The objective is to simulate the environmental conditions and stresses that the units may encounter during their service life.