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Normas ASTM – AENOR
ASTM C1610/C1610M-06a

ASTM C1610/C1610M-06a

Standard Test Method for Static Segregation of Self-Consolidating Concrete Using Column Technique

Fecha:
2010-12-31 /Historical
Superseeded by:
Significance and Use:

This test method provides users with a laboratory procedure to determine the potential static segregation of self-consolidating concrete.

This test method shall be used to develop self-consolidating concrete mixtures with segregation not exceeding specified limits. Self-consolidating concrete is a fluid concrete that can be prone to segregation if not proportioned to be cohesive. A cohesive self-consolidating concrete is important for all applications but is especially critical for deep-section applications such as walls or columns. Therefore, the degree of segregation can indicate if a mixture is suitable for the application.

Note 1—Some level of segregation is tolerable as long as the desired strength and durability performance is achieved.

Scope:

1.1 This test method covers the determination of static segregation of self-consolidating concrete by measuring the coarse aggregate content in the top and bottom portions of a cylindrical specimen (or column).

1.2 This test method is not applicable to self-consolidating concrete containing lightweight aggregate.

1.3 The values stated in either inch-pounds or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

1.4 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

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. (Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)

Keywords:
coarse aggregate; self-consolidating concrete; stability; static segregation
45,64
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