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ASTM-C1012:2012 Edition(Redline)

ASTM-C1012:2012 Edition(Redline)

$26.65

C1012/C1012M-12 Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution (Redline)

Published By Publication Date Number of Pages
ASTM 2012 7
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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 C452 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 Na 2 SO 4 per m 3 (50 g/L). Other sulfate concentrations or other sulfates such as MgSO 4 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 C109/C109M are cured until they attain a compressive strength of 20.0 Ā± 1.0 MPa [3000 Ā± 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 and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens) C114 Test Methods for Chemical Analysis of Hydraulic Cement C150 Specification for Portland Cement C157/C157M Test Method for Length Change of Hardened Hydraulic-Cement Mortar and Concrete C215 Test Method for Fundamental Transverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens C305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency C348 Test Method for Flexural Strength of Hydraulic-Cement Mortars C349 Test Method for Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure) C452 Test Method for Potential Expansion of Portland-Cement Mortars Exposed to Sulfate C490 Practice for Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes C595 Specification for Blended Hydraulic Cements C597 Test Method for Pulse Velocity Through Concrete C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete C684 Test Method for Making, Accelerated Curing, and Testing Concrete Compression Test Specimens C778 Specification for Sand C917 Test Method for Evaluation of Cement Strength Uniformity From a Single Source C989 Specification for Slag Cement for Use in Concrete and Mortars D1193 Specification for Reagent Water E18 Test Methods for Rockwell Hardness of Metallic Materials

American Concrete Institute Reports

ACIC201-2R-01 Guide to Durable Concrete Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http://www.concrete.org.

Keywords

acceptability; expansion; fly ash; mortars; pozzolans; precision; search report; slag; sulfate attack; sulfate-resisting cements; tests ; Cement mortars; Change in length; Hydraulic cement concrete; Sulfate resistance; Volumetric measurement–cement/concrete

ICS Code

ICS Number Code 91.100.

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