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NEPLATNÁ ASTM C1012/C1012M-18b 15.12.2018 náhled

Doplňující informace

ASTM C1012/C1012M-18b

Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution (Includes all amendments And changes 4/4/2024).

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NORMA vydána dne 15.12.2018

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Informace o normě:

Označení normy: ASTM C1012/C1012M-18b
Poznámka: NEPLATNÁ
Datum vydání normy: 15.12.2018
Kód zboží: NS-910526
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Cement. Sádra. Vápno. Malta

Anotace textu normy ASTM C1012/C1012M-18b :

Keywords:

acceptability, expansion, fly ash, mortars, pozzolans, precision, search report, slag, sulfate attack, sulfate-resisting cements, tests ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

Doplňující informace

Significance and Use

3.1 This test method provides a means of assessing the sulfate resistance of mortars made using portland cement, blends of portland cement with pozzolans or slags, and blended hydraulic cements. Test Method C452 is suitable for evaluating portland cements but not blended cements or blends of portland cement with pozzolans or slags.

3.2 The standard exposure solution used in this test method, unless otherwise directed, contains 352 moles of Na₂SO₄ per m³ (50 g/L). Other sulfate concentrations or other sulfates such as MgSO_{1.1 This test method covers the
determination of length change of mortar bars immersed in a sulfate
solution. Mortar bars made using mortar described in Test Method
C109/C109M are cured until
they attain a compressive strength of 20.0 ± 1.0 MPa [3000 ± 150
psi], as measured using cubes made of the same mortar, before the
bars are immersed.}

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

C917-05	Standard Test Method for Evaluation of Cement Strength Uniformity From a Single Source
C109/C109M-23	Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50?mm [2 in.] Cube Specimens)
C305-20	Standard Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency
C348-21	Standard Test Method for Flexural Strength of Hydraulic-Cement Mortars
C349-18	Standard Test Method for Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure)
C452-21	Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate
C511-21	Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
C989-10	Standard Specification for Slag Cement for Use in Concrete and Mortars
C1157-08	Standard Performance Specification for Hydraulic Cement
D1193-06(2018)	Standard Specification for Reagent Water
E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
E177-20	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
C778-21	Standard Specification for Standard Sand
ACI C201-2R-01	Guide to Durable Concrete Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.concrete.org.
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).
C597-22	Standard Test Method for Ultrasonic Pulse Velocity Through Concrete
C595-08	Standard Specification for Blended Hydraulic Cements
C490-07	Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete
C157/C157M-17	Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete
C150-07	Standard Specification for Portland Cement
C114-23	Standard Test Methods for Chemical Analysis of Hydraulic Cement
C215-19	Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens

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