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Normas ASTM – AENOR
ASTM C1552-09a

ASTM C1552-09a

Standard Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing

Fecha:
2012-12-19 /Historical
Superseeded by:
Significance and Use:

This practice describes procedures for providing plane surfaces on the two bearing surfaces of units and prisms. The purpose of this standard is to provide consistent and standardized procedures for capping units and prisms for compression testing. The procedures are based on those contained (or previously contained) in Test Methods C140, Practice C617, and Test Method C1314.

Note 2—Specimens capped using this practice will vary significantly in size and weight. Appropriate care and handling may differ based on specimen size and weight. Provide care and handling as needed to provide for proper capping based on the physical characteristics of the specimen being capped.

Scope:

1.1 This practice covers apparatus, materials, and procedures for capping concrete masonry units, related units, including coupons or other specimens obtained from such units, and masonry prisms for compression testing.

Note 1—The testing laboratory performing these test methods should be evaluated in accordance with Practice C1093.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:
cap; capping; capping materials; capping plate; casting plate; compressive strength; gypsum cement; sulfur; Capping concrete materials/applications; Casting plate; Compression testing--cement/concrete; Gypsum cement; Masonry prisms; Masonry units
45,51
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