ASTM C1506-08

Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters

SIGNIFICANCE AND USE
This test method provides a means for determining the ability of mortars and plasters to retain water under suction. Test results may be used to determine compliance with specifications.
The results obtained using this test method can be used to compare the relative ability of mortars and plasters to retain water under suction.
The results obtained using this test method for masonry mortars do not necessarily indicate the degree of water retention when used with masonry units, since the amount of water absorbed by the unit depends on the rate of absorption of the masonry unit.
The results obtained using this test method for plasters (stucco) do not necessarily indicate the degree of water retention when the plaster is applied as a second coat on the surface of a previously applied plaster base coat, since the amount of water absorbed from the second coat of plaster depends on the rate of absorption of the base coat. This is also true when a plaster is applied as a coating on masonry units.
SCOPE
1.1 This test method provides for the determination of water retention of hydraulic cement-based mortars and plasters.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)

General Information

• Status: Historical
• Publication Date: 30-Jun-2008
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C01 - Cement
• Drafting Committee: C01.22 - Workability

Relations

• Replaces: ASTM C1506-03 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters
• Effective Date: 01-Jul-2008
• Replaced By: ASTM C1506-09 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters
• Effective Date: 01-Dec-2009
• Referred By: ASTM C1713-23 - Standard Specification for Mortars for the Repair of Historic Masonry
• Effective Date: 01-Jul-2008
• Referred By: ASTM C1329/C1329M-23 - Standard Specification for Mortar Cement
• Effective Date: 01-Jul-2008
• Referred By: ASTM C1328/C1328M-23 - Standard Specification for Plastic (Stucco) Cement
• Effective Date: 01-Jul-2008
• Referred By: ASTM C1222-23 - Standard Practice for Evaluation of Laboratories Testing Hydraulic Cement
• Effective Date: 01-Jul-2008
• Referred By: ASTM C1093-23 - Standard Practice for Accreditation of Testing Agencies for Masonry
• Effective Date: 01-Jul-2008
• Referred By: ASTM C91/C91M-23 - Standard Specification for Masonry Cement
• Effective Date: 01-Jul-2008
• Referred By: ASTM C1922-23 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters by Way of Water Loss
• Effective Date: 01-Jul-2008
• Referred By: ASTM C270-19ae1 - Standard Specification for Mortar for Unit Masonry
• Effective Date: 01-Jul-2008
• Referred By: ASTM C183/C183M-23 - Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
• Effective Date: 01-Jul-2008

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
Designation:C1506–08
Standard Test Method for
Water Retention of Hydraulic Cement-Based Mortars and
1
Plasters
This standard is issued under the fixed designation C1506; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 3. Summary of Test Method
1.1 This test method provides for the determination of water 3.1 The flow of the mortar or plaster is determined. The
retention of hydraulic cement-based mortars and plasters. mortar or plaster is then subjected to a controlled vacuum
1.2 The values stated in SI units are to be regarded as suction for 60 s, after which the flow is again determined. The
standard. No other units of measurement are included in this water retention is the final flow divided by the initial flow
standard. expressed as a percentage.
1.3 This standard does not purport to address all of the
4. Significance and Use
safety concerns, if any, associated with its use. It is the
4.1 This test method provides a means for determining the
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- ability of mortars and plasters to retain water under suction.
Test results may be used to determine compliance with
bility of regulatory limitations prior to use. (Warning—Fresh
hydraulic cementitious mixtures are caustic and may cause specifications.
2
4.2 The results obtained using this test method can be used
chemical burns to skin and tissue upon prolonged exposure.)
to compare the relative ability of mortars and plasters to retain
2. Referenced Documents
water under suction.
3
2.1 ASTM Standards: 4.3 The results obtained using this test method for masonry
C109/C109M Test Method for Compressive Strength of mortars do not necessarily indicate the degree of water
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube retention when used with masonry units, since the amount of
Specimens) water absorbed by the unit depends on the rate of absorption of
C185 Test Method for Air Content of Hydraulic Cement the masonry unit.
Mortar 4.4 The results obtained using this test method for plasters
C230/C230M Specification for Flow Table for Use in Tests (stucco) do not necessarily indicate the degree of water
of Hydraulic Cement retention when the plaster is applied as a second coat on the
C305 Practice for Mechanical Mixing of Hydraulic Cement surface of a previously applied plaster base coat, since the
Pastes and Mortars of Plastic Consistency amount of water absorbed from the second coat of plaster
C511 Specification for Mixing Rooms, Moist Cabinets, depends on the rate of absorption of the base coat. This is also
Moist Rooms, and Water Storage Tanks Used in the true when a plaster is applied as a coating on masonry units.
Testing of Hydraulic Cements and Concretes
5. Apparatus
C670 Practice for Preparing Precision and Bias Statements
for Test Methods for Construction Materials 5.1 Tamper, conforming to Test Method C109/C109M.
5.2 Straightedge, conforming to Test Method C185.
C1437 Test Method for Flow of Hydraulic Cement Mortar
5.3 Flow Table, conforming to Specification C230/C230M.
5.4 Mixing Apparatus, conforming to the requirements pre-
1
scribed in Practice C305.
This test method is under the jurisdiction ofASTM Committee C01 on Cement
and is the direct responsibility of Subcommittee C01.22 on Workability. 5.5 Filtration Assembly, an apparatus essentially as shown
Current edition approved July 1, 2008. Published August 2008. Originally
in Fig. 1 shall be used. This apparatus consists of a perforated
approved in 2001. Last previous edition approved in 2003 as C1506–03. DOI:
dish resting on a funnel, which is connected by a three-way
10.1520/C1506-08.
2
stopcock to a vacuum flask, to which a controlled vacuum is
Section on Safety, Manual of Cement Testing, Annual Book of ASTM
Standards, Vol 04.01.
applied. The perforated dish shall be made of metal not
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
attacked by masonry mortar or plaster (Note 1).The metal base
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
of the dish shall have a thickness of 2.0 6 0.3 mm and shall
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. conform to the requirements given in Fig. 1.The stopcock bore
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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C1506–08
NOTE—The gasket
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:C1506–03 Designation:C1506–08
Standard Test Method for
Water Retention of Hydraulic Cement-Based Mortars and
1
Plasters
This standard is issued under the fixed designation C 1506; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This test method provides for the determination of water retention of hydraulic cement-based mortars and plasters.
1.2
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and
2
tissue upon prolonged exposure.)
2. Referenced Documents
3
2.1 ASTM Standards:
C 109/C 109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)
C 185 Test Method for Air Content of Hydraulic Cement Mortar
C 230/C 230M Specification for Flow Table for Use in Tests of Hydraulic Cement
3
C 305PracticeforMechanicalMixingofHydraulicCementPastesandMortarsofPlasticConsistency PracticeforMechanical
Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency
C 511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of
Hydraulic Cements and Concretes
C 670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
C 1437 Test Method for Flow of Hydraulic Cement Mortar
3. Summary of Test Method
3.1 The flow of the mortar or plaster is determined. The mortar or plaster is then subjected to a controlled vacuum suction for
60 s, after which the flow is again determined. The water retention is the final flow divided by the initial flow expressed as a
percentage.
4. Significance and Use
4.1 This test method provides a means for determining the ability of mortars and plasters to retain water under suction. Test
results may be used to determine compliance with specifications.
4.2 The results obtained using this test method can be used to compare the relative ability of mortars and plasters to retain water
under suction.
4.3 The results obtained using this test method for masonry mortars do not necessarily indicate the degree of water retention
when used with masonry units, since the amount of water absorbed by the unit depends on the rate of absorption of the masonry
unit.
4.4 The results obtained using this test method for plasters (stucco) do not necessarily indicate the degree of water retention
when the plaster is applied as a second coat on the surface of a previously applied plaster base coat, since the amount of water
absorbed from the second coat of plaster depends on the rate of absorption of the base coat. This is also true when a plaster is
applied as a coating on masonry units.
1
This test method is under the jurisdiction of ASTM Committee C01 on Cement and is the direct responsibility of Subcommittee C01.22 on Workability.
Current edition approved Jan. 10, 2003. Published February 2003. Originally approved in 2001. Last previous edition approved in 2001 as C1506–01.
Current edition approved July 1, 2008. Published August 2008. Originally approved in 2001. Last previous edition approved in 2003 as C 1506–03.
2
Section on Safety, Manual of Cement Testing, Annual Book of ASTM Standards, Vol 04.01.
3
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at [e-mail]. For Annual Book ofASTM Standards
, Vol 04.01.volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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C1506–08
5. Apparatus
5.1 Tamper, conforming to Test Method C 109/C 109M.
5.2 Straightedge, conforming to Test Method C 185.
5.3 Flow Table, conforming to Specification C 230/C 230M.
5.4 Mixing Apparatus, conforming to the requirements pres
...