ASTM C1262 PDF
The following summarizes the contents of ASTM C and key components of the test methods used to determine relative freeze thaw durability. This does not. ASTM C Standard Test Method for Evaluating the Freeze-Thaw The following summarizes the contents of ASTM C and key components of the test. Buy ASTM C Standard Test Method for Evaluating the Freeze-Thaw Durability of Manufactured Concrete Masonry Units and Related Concrete Units.
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A copy of the full standard is available upon request.
Consider any pieces that separated from the specimen as part of the residue. This does not provide a comparison to field performance but a systematic approach to testing.
The units shall be free from visible cracks or structural defects. Link to Active This link will always route to the current Active version of the standard. Some values have only SI units because the inch-pound equivalents are not used in practice. Remove a single specimen from its container.
However, other means could be used to obtain similar architectural effects like tumbling, grinding, and slumping. Using fingertips and a squeeze bottle, remove loose particles from all surfaces of the specimen, again being careful to collect all rinse water or saline solution and loose particles in the specimen container.
Combining values from the two systems may result in non-conformance with this standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Each specimen shall bemarked with a unique identification number on the non-molded surface of the specimen.
Close the container lid tightly and store the container on a level surface in laboratory air as defined in 6. The testing laboratory performing this test method should be evaluated in accordance with Practice C Replace the specimen in the container.
It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Immediately rinse the specimen with water if the specimen is tested in saline solution, use saline solutiontorinse the specimen usinga squeeze bottle,being careful to collect in the specimen container the rinse water or saline solution and all loose particles from the specimen.
Do not fully immerse coupons in water. Pour the test solution from the specimen container through the filter paper to collect the residue spall from the test specimen. Historical Version s – view previous versions of standard.
This summary attempts to provide the information which is most commonly used, but Allan Block does not claim that all information contained in the standard is represented. Open containers to adtm inspect the condition of the specimens and to adjust the test solution level to comply with 7. In the case of a unit with an exposed architectural or other nonplanar surface, cut the coupon from another flat molded surface ideally as far as possible from the architectural or other nonplanar face and in no case less than 2 in.
Remove the specimen from the container, pourthe rinse water or saline solution through the filter paper, and rinse the specimen container until all residue spall in the specimen container is collected on the filter paper.
Related concrete units include units such as hollow and solid concrete masonry units, concrete brick, and concrete roof pavers. Cut the coupon from the exposed surface of the unit as the unit is used in service unless the exposed surface is an architectural or other nonplanar surface see Note 6. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but x1262 not provided as part of the standard. Immediately following saw-cutting, remove loose particles and residue from the coupon by rinsing in tap water and brushing with a soft bristle brush.
Work Item s – proposed revisions of this standard. Related concrete units include units such as hollow and solid concrete masonry units, wstm brick, and concrete roof pavers. The following summarizes the contents of ASTM C and key components of the test methods used to determine relative freeze thaw durability.
Where the coupon thickness is less than 1. Do not saw-cut test specimens from units that have been previously oven dried. Do not pour test solution directly onto the specimen.
Rinse the residue from specimens tested in saline solution three times with water to remove any soluble salt.
ASTM C Standard Specification for Segmental Retaining Wall Units
Note 6 – Split-faced surfaces are the most common surfaces used to provide an architectural appearance to segmental retaining walls.
Report these values for each specimen as well as the average of the specimens tested. Do not subject test specimens to oven-drying prior to completion of freeze-thaw testing.