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ASTM C938-10

Standard Practice for Proportioning Grout Mixtures for Preplaced-Aggregate Concrete

Automaticky přeložený název:

Standardní praktiky pro dávkování spárovací hmotou směsí pro Preplaced-kamenivem

NORMA vydána dne 15.6.2010

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Informace o normě:

Označení normy: ASTM C938-10
Poznámka: NEPLATNÁ
Datum vydání normy: 15.6.2010
Kód zboží: NS-15746
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Beton. Betonové prefabrikáty

Anotace textu normy ASTM C938-10 :

Keywords:

concrete grouts, pre-placed aggregate, ICS Number Code 91.100.30 (Concrete and concrete products)

Doplňující informace

Significance and Use

This practice provides a standard procedure for selecting proportions for mixtures of grout to be used at fluid consistency in the production of PA concrete meeting applicable criteria for strength, density, and other properties.

This practice is also useful for determining the composition of grout mixed at fluid consistency and meeting specified requirements for filling voids, cavities, and spaces in rock, foundations, and concrete structures.

1. Scope

1.1 This practice describes the laboratory procedure for selecting proportions for grout mixtures required in the production of preplaced-aggregate (PA) concrete.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

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.

2. Referenced Documents

C219-20a	Standard Terminology Relating to Hydraulic and Other Inorganic Cements (Includes all amendments and changes 8/28/2020).
C618-23e1	Standard Specification for Coal Ash and Raw or Calcined Natural Pozzolan for Use in Concrete (Includes all amendments and changes 3/21/2023).
C125-21a	Standard Terminology Relating to Concrete and Concrete Aggregates (Includes all amendments and changes 10/14/2021).
C637-20	Standard Specification for Aggregates for Radiation-Shielding Concrete
C937-23	Standard Specification for Grout Fluidifier for Preplaced-Aggregate Concrete
C150/C150M-22	Standard Specification for Portland Cement
C939/C939M-22	Standard Test Method for Flow of Grout for Preplaced-Aggregate Concrete (Flow Cone Method)
C940-22	Standard Test Method for Expansion and Bleeding of Freshly Mixed Grouts for Preplaced-Aggregate Concrete in the Laboratory
C941-23	Standard Test Method for Water Retentivity of Grout Mixtures for Preplaced-Aggregate Concrete in the Laboratory
C942-15	Standard Test Method for Compressive Strength of Grouts for Preplaced-Aggregate Concrete in the Laboratory
C943-17	Standard Practice for Making Test Cylinders and Prisms for Determining Strength and Density of Preplaced-Aggregate Concrete in the Laboratory
C185-20	Standard Test Method for Air Content of Hydraulic Cement Mortar