ASTM C1262 PDF

April 29, 2019 posted by

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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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.

Astn values have only SI units because the inch-pound equivalents are not used in practice.

Each specimen shall bemarked with a unique identification number on the non-molded surface of the specimen. Report these values c1622 each specimen as well as the average of the specimens x1262. Immediately following saw-cutting, remove loose particles and residue from the coupon by rinsing in tap water and brushing with a soft bristle brush. Combining values from the two systems may result in non-conformance with this standard.

Work Item s – proposed revisions of this f1262. Note 6 – Split-faced surfaces are the most common surfaces used to provide an architectural appearance to segmental retaining walls. Do not saw-cut test specimens from units that have been previously oven dried. A copy of the full standard is available upon request.

Do not fully immerse coupons in water. 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 d1262 on the filter paper. Do not pour test solution directly onto the specimen. 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.

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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. Historical Version s – view previous versions of standard.

Product Specifications

Related concrete units include units such as hollow and solid concrete masonry units, concrete brick, and concrete roof pavers. 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. Where the coupon thickness is less than 1. The following summarizes the contents of ASTM C and key components of the test methods used to determine relative freeze thaw durability.

Remove a single specimen from its container. Do not ast, test specimens to oven-drying prior to completion of freeze-thaw testing. 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 Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not cc1262 as part of the standard.

Replace the specimen in the container. 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.

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Open containers to visually inspect the condition of the specimens and to adjust the test solution level to comply with 7.

Link to Active This link will always route to the current Active version of the standard. The units shall be free from visible cracks or structural defects. Related concrete units include units such as hollow and solid concrete masonry units, concrete brick, and concrete roof pavers.

Pour the test solution from the aetm container through the filter paper to collect the residue spall from the test specimen.

ASTM C Standard Specification for Segmental Retaining Wall Units

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 aetm saline solution and all loose particles from the specimen. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Rinse the residue from specimens tested in saline solution three times with water to remove any soluble salt. This does zstm provide a comparison to field performance but a systematic approach to testing. Consider wstm pieces that separated from the specimen as part of the residue.

However, other means could be used to obtain similar architectural effects like tumbling, grinding, and slumping.