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NEPLATNÁ ASTM C311/C311M-13 1.2.2013 náhled

Doplňující informace

ASTM C311/C311M-13

Standard Test Methods for Sampling and Testing Fly Ash or Natural Pozzolans for Use in Portland-Cement Concrete

Automaticky přeložený název:

Standardní zkušební metody pro odběr vzorků a testování popílku nebo přírodní pucolánů pro použití v Portland-cementárna betonu

NORMA vydána dne 1.2.2013

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Informace o normě:

Označení normy: ASTM C311/C311M-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.2.2013
Kód zboží: NS-12920
Počet stran: 10
Přibližná hmotnost: 30 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Beton. Betonové prefabrikáty

Anotace textu normy ASTM C311/C311M-13 :

Keywords:
fly ash, natural pozzolan, ICS Number Code 91.100.30 (Concrete and concrete products)

Doplňující informace

Significance and Use

4.1 These test methods are used to develop data for comparison with the requirements of Specification C618 or Specification C1697. These test methods are based on standardized testing in the laboratory and are not intended to simulate job conditions.

4.1.1 Strength Activity Index—The test for strength activity index is used to determine whether fly ash or natural pozzolan results in an acceptable level of strength development when used with hydraulic cement in concrete. Since the test is performed with mortar, the results may not provide a direct correlation of how the fly ash or natural pozzolan will contribute to strength in concrete.

4.1.2 Chemical Tests—The chemical component determinations and the limits placed on each do not predict the performance of a fly ash or natural pozzolan with hydraulic cement in concrete, but collectively help describe composition and uniformity of the material.

1. Scope

1.1 These test methods cover procedures for sampling and testing fly ash and raw or calcined pozzolans for use in portland-cement concrete.

1.2 The procedures appear in the following order:

Sections

Sampling

CHEMICAL ANALYSIS

Reagents and apparatus

Moisture content

Loss on ignition

Silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide, sulfur trioxide, sodium oxide
and potassium oxide

Available alkali

Ammonia

PHYSICAL TESTS

Density

Fineness

Increase of drying shrinkage of mortar bars

21-23

Soundness

Air-entrainment of mortar

Strength activity index with portland cement

27-30

Water requirement

Effectiveness of Fly Ash or Natural Pozzolan in
Controlling Alkali-Silica Reactions

Effectiveness of Fly Ash or Natural Pozzolan in
Contributing to Sulfate Resistance

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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.

1.4 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.

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

2. Referenced Documents

C188-17(2023)	Standard Test Method for Density of Hydraulic Cement
C185-20	Standard Test Method for Air Content of Hydraulic Cement Mortar
C1437-20	Standard Test Method for Flow of Hydraulic Cement Mortar
C1012-04	Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution
C778-21	Standard Specification for Standard Sand
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).
C604-18(2023)	Standard Test Method for True Specific Gravity of Refractory Materials by Gas-Comparison Pycnometer
C441-05	Standard Test Method for Effectiveness of Pozzolans or Ground Blast-Furnace Slag in Preventing Excessive Expansion of Concrete Due to the Alkali-Silica Reaction
C227-10	Standard Test Method for Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar-Bar Method) (Withdrawn 2018)
C226-22	Standard Specification for Air-Entraining Additions for Use in the Manufacture of Air-Entraining Hydraulic Cement
C151-05	Standard Test Method for Autoclave Expansion of Hydraulic Cement
C150-07	Standard Specification for Portland Cement
C125-21a	Standard Terminology Relating to Concrete and Concrete Aggregates (Includes all amendments and changes 10/14/2021).
C109/C109M-23	Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 50?mm [2 in.] Cube Specimens)
C114-23	Standard Test Methods for Chemical Analysis of Hydraulic Cement
C33-07	Standard Specification for Concrete Aggregates
ACI 201.2R	Guide to Durable Concrete
C157/C157M-17	Standard Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete
E11-22	Standard Specification for Woven Wire Test Sieve Cloth and Test Sieves
D4326-21	Standard Test Method for Major and Minor Elements in Coal Ash By X-Ray Fluorescence
C1697-21	Standard Specification for Blended Supplementary Cementitious Materials
C670-24a	Standard Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials (Includes all amendments and changes 3/11/2024).
C430-17	Standard Test Method for Fineness of Hydraulic Cement by the 45-µm (No. 325) Sieve
C219-20a	Standard Terminology Relating to Hydraulic and Other Inorganic Cements (Includes all amendments and changes 8/28/2020).
C204-24	Standard Test Methods for Fineness of Hydraulic Cement by Air-Permeability Apparatus
D1426-15(2021)e1	Standard Test Methods for Ammonia Nitrogen In Water (Includes all amendments and changes 12/22/2021).

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ASTM C33/C33M-13..

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ASTM C330/C330M-14..

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