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1.1 ,This test method covers the resistance to freezing and thawing of dry-cast segmental retaining wall (SRW) units (see Specification C1372) and related concrete units. Units are tested in a test solution that is either potable tap water or 3 % saline solution depending on the intended use of the units in actual service.
Note 1: ,Related concrete units include units such as hollow and solid concrete masonry units, concrete brick, and concrete roof pavers.