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Doplňující informace

ASTM C1012-04

Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution

Automaticky přeložený název:

Standardní zkušební metoda pro Délka Změna Hydraulic - cementové malty vystaven roztoku síranů

NORMA vydána dne 1.1.2004

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Provedení	PDF - okamžité stažení - 1 996.70 Kč Tištěné - 1 996.70 Kč
Dostupnost	SKLADEM
Cena	1 996.70 Kč bez DPH
1 996.70 Kč

Informace o normě:

Označení normy: ASTM C1012-04
Poznámka: NEPLATNÁ
Datum vydání normy: 1.1.2004
Kód zboží: NS-9050
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM C1012-04 :

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

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. Method C 452 is suitable for evaluating portland cements but not blended cements or blends of portland cement with pozzolans or slags.

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 MgSO₄ may be used to simulate the environmental exposure of interest. Further discussion of these and other technical issues is given in the Appendix.

1. Scope

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 C 109/C 109M 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 SI units are to be regarded as the standard. The values shown in parentheses are 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.

Note 1—Warning: Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.

2. Referenced Documents

C490-07	Standard Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete
C452-21	Standard Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate
C595-08	Standard Specification for Blended Hydraulic Cements
C597-22	Standard Test Method for Ultrasonic Pulse Velocity Through Concrete
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).
C684-99	Standard Test Method for Making, Accelerated Curing, and Testing Concrete Compression Test Specimens
C778-21	Standard Specification for Standard Sand
C917-05	Standard Test Method for Evaluation of Cement Strength Uniformity From a Single Source
C989-10	Standard Specification for Slag Cement for Use in Concrete and Mortars
D1193-06(2018)	Standard Specification for Reagent Water
E18-22	Standard Test Methods for Rockwell Hardness of Metallic Materials
ACI C201-2R-01	Guide to Durable Concrete
C511-21	Standard Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes
C349-18	Standard Test Method for Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure)
C348-21	Standard Test Method for Flexural Strength of Hydraulic-Cement Mortars
C305-20	Standard Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency
C215-19	Standard Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens
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
C109/C109M-23	Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50?mm [2 in.] Cube Specimens)

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