ASTM C887-79a(1996)e1
(Specification)Standard Specification for Packaged, Dry, Combined Materials for Surface Bonding Mortar
Standard Specification for Packaged, Dry, Combined Materials for Surface Bonding Mortar
SCOPE
1.1 This specification covers the materials, properties, and packaging of dry, combined materials for use as surface bonding mortar with concrete masonry units that have not been prefaced, coated, or painted.
1.2 This specification does not cover design or application. Consult the manufacturer for specific recommendations.
1.3 Appendix X1 of this specification contains the recommended tests for evaluation of surface bonded masonry assemblages used to establish design loads for the composite wall.
1.4 Appendix X1 through Appendix X5 of this specification contain additional tests that may be performed on surface bonding mortar.
1.5 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. This hazard statement applies only to Section 9 of this specification.
1.6 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
General Information
Relations
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NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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.
e1
Designation: C 887 – 79a (Reapproved 1996)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Packaged, Dry, Combined Materials for Surface
Bonding Mortar
This standard is issued under the fixed designation C 887; 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 (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added editorially in June 1996.
1. Scope C 191 Test Method for Time of Setting of Hydraulic Ce-
ment by Vicat Needle
1.1 This specification covers the materials, properties, and
C 207 Specification for Hydrated Lime for Masonry Pur-
packaging of dry, combined materials for use as surface
poses
bonding mortar with concrete masonry units that have not been
C 260 Specification for Air-Entraining Admixtures for Con-
prefaced, coated, or painted.
crete
1.2 This specification does not cover design or application.
C 305 Practice for Mechanical Mixing of Hydraulic Cement
Consult the manufacturer for specific recommendations.
Pastes and Mortars of Plastic Consistency
1.3 Appendix X1 of this specification contains the recom-
C 348 Test Method for Flexural Strength of Hydraulic
mended tests for evaluation of surface bonded masonry assem-
Cement Mortars
blages used to establish design loads for the composite wall.
C 349 Test Method for Compressive Strength of Hydraulic
1.4 Appendix X2 through Appendix X5 of this specification
Cement Mortars (Using Portions of Prisms Broken in
contain additional tests that may be performed on surface
Flexure)
bonding mortar.
C 359 Test Method for Early Stiffening of Portland Cement
1.5 This standard does not purport to address all of the
(Mortar Method)
safety concerns, if any, associated with its use. It is the
C 494 Specification for Chemical Admixtures for Concrete
responsibility of the user of this standard to establish appro-
C 595/C 595M Specification for Blended Hydraulic Ce-
priate safety and health practices and determine the applica-
ments
bility of regulatory limitations prior to use. This hazard
C 618 Specification for Fly Ash and Raw or Calcined
statement applies only to Section 9 of this specification.
Natural Pozzolan for Use as a Mineral Admixture in
1.6 The values stated in inch-pound units are to be regarded
Portland Cement Concrete
as the standard. The values given in parentheses are for
C 666 Test Method for Resistance of Concrete to Rapid
information only.
Freezing and Thawing
2. Referenced Documents
E 72 Methods of Conducting Strength Tests of Panels for
2.1 ASTM Standards: Building Construction
C 91 Specification for Masonry Cement E 96 Test Methods for Water Vapor Transmission of Mate-
rials
C 109/C 109M Test Method for Compressive Strength of
Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube E 119 Test Methods for Fire Tests of Building Construction
2 5
and Materials
Specimens)
C 138 Test Method for Unit Weight, Yield, and Air Content E 447 Test Methods for Compressive Strength of Masonry
3 4
Prisms
(Gravimetric) of Concrete
C 144 Specification for Aggregate for Masonry Mortar E 514 Test Method for Water Penetration and Leakage
2 4
C 150 Specification for Portland Cement Through Masonry
C 187 Test Method for Normal Consistency of Hydraulic E 518 Test Methods for Flexural Bond Strength of Ma-
2 4
Cement sonry
E 519 Test Method for Diagonal Tension (Shear) in Ma-
sonry Assemblages
This specification is under the jurisdiction of ASTM Committee C-12 on
Mortars for Unit Masonry, and is the direct responsibility of Subcommittee C12.06
3. Terminology
on Surface Bonding.
Current edition approved Oct. 26, 1979. Published December 1979. Originally
3.1 Definition:
published as C 887 – 79. Last previous edition C 887 – 79a.
Annual Book of ASTM Standards, Vol 04.01.
3 5
Annual Book of ASTM Standards, Vol 04.02. Annual Book of ASTM Standards, Vol 04.07.
4 6
Annual Book of ASTM Standards, Vol 04.05. Annual Book of ASTM Standards, Vol 04.06.
C 887
TABLE 1 Physical Requirements
3.1.1 surface bonding mortar—a product containing hy-
A
draulic cement, glass fiber reinforcement with or without Flexural Strength (average of three prisms)
inorganic fillers, or organic modifiers in a prepackaged form
The flexural strength of prisms of surface bonding mortar prepared and tested
requiring only the addition of water prior to application.
in accordance with this specification shall be equal to or higher than the
values specified for the ages indicated as follows:
4. Materials and Manufacture
psi (MPa)
1 day 450 3.1
4.1 The materials used as ingredients in packaged, dry,
7 days 700 4.8
combined materials for surface bonding mortar shall conform 28 days 800 5.5
Compressive Strength (average of six modified cubes)
to the following requirements:
4.1.1 Hydraulic Cements—Hydraulic cements used shall
The compressive strength of modified cubes of surface bonding mortar
conform to the following ASTM specifications: prepared and tested in accordance with this specification shall be equal to
or higher than the values specified for the ages indicated as follows:
4.1.1.1 Portland Cement—Type I, IA, II, IIA, III, or IIIA of
Specification C 150.
psi (MPa)
4.1.1.2 Blended Hydraulic Cements—Type IS, ISA, IP, or
1 day 1600 11
28 days 3500 24.1
IPA of Specification C 595.
Time of setting, Vicat needle, initial set,
4.1.1.3 Masonry Cement—Specification C 91.
minimum, min 45
4.1.2 Hydrated Lime—Type S or SA of Specification C 207. final set, max, h 8
Water retention flow after suction, min, % of original 75
4.1.3 Pozzolan—Class N, F, or S of Specification C 618.
flow, min
4.1.4 Aggregates—Aggregates shall conform to Specifica-
tion C 144 with the exception of grading. The maximum
aggregate, and glass fibers shall be such that the requirements
allowable particle size shall not exceed one third of the
of Table 1 will be met when an amount of mixing water is used
recommended application thickness of the surface bonding
that is recommended by the manufacturer to produce a working
mortar with uniform distribution of particle size.
consistency or that produces a consistency penetration of 65 to
4.1.4.1 All aggregates shall be dried, without decomposi-
75 mm by the Cone Penetrometer Test Method of Annex A2.
tion, to a moisture content of less than 0.1 weight %, computed
6. Physical Requirements
on material dried substantially to constant weight at 221 to
6.1 Packaged, dry, combined materials for surface bonding
230°F (105 to 110°C).
mortar shall conform to requirements for physical properties
4.1.5 Glass Fibers—Glass fibers shall be chopped strands
1 prescribed in Table 1, when the prescribed amount of water is
of a minimum ⁄2-in. (13-mm) length to provide significant
added.
reinforcement in a cementitious matrix.
4.1.5.1 Glass fibers for use in surface bonding mortar, that
7. Sampling and Testing
will be subjected to wetting, humid atmosphere, or contact with
7.1 Accuracy of Measurement:
moist ground have the potential to react with the available
7.1.1 Weigh all surface bonding mortar on scales conform-
alkalies present in the portland-cement matrix, causing strength
ing to the applicable sections of National Institute of Standards
reduction of the surface bonding mortar.
and Technology Handbook 44, “Specifications, Tolerances and
4.1.5.2 The producer shall show evidence satisfactory to the
Regulations for Commercial Weighing and Measuring De-
purchaser that glass composition, cement matrix, or both, have
vices.”
been designed to reduce significantly or eliminate this unfa-
NOTE 2—New and reconditioned scales shall be accurate to 60.1 % of
vorable reaction.
the total capacity of the scale. When scales have been in use, they shall be
4.1.6 Additives—Additives may be added as part of the
accurate to 60.4 % of the total capacity of the scale.
packaged, dry, combined materials for purposes such as
7.1.2 Record all weights in pounds or kilograms to a
plasticity, air entrainment, water repellency, set acceleration,
minimum accuracy of 0.1 lb (0.05 kg). Record all weights in
chemical bonding, and coloring. See Specifications C 260 and
grams to an accuracy of1gor0.1%, whichever is greater.
C 494.
4.1.6.1 Admixtures or mortar colors shall not be added to
8. Sampling Surface Bonding Mortar
the surface bonding mortars at the time of mixing unless
8.1 Use the contents of an entire package of surface bonding
provided for in the contract specifications, and, after the
mortar as a sample. Weigh the package, then place it in a clean,
materials are so added, the surface bonding mortars shall
watertight container. Open the package by cutting it down one
conform to the physical requirements prescribed in Table 1.
side and across the top and bottom. Empty the contents of the
4.1.6.2 Antifreeze Compounds—No antifreeze liquid, salts,
package into the container then carefully remove and weigh the
or other substances shall be used in surface bonding mortar to
empty bag. Mix the contents thoroughly by hand, using a scoop
lower the freezing point.
or trowel, then secure a representative sample weighing not
less than 9 lb (4 kg) nor more than 12 lb (5.4 kg). If the package
NOTE 1—Calcium chloride, when provided for in the contract specifi-
cations, and expressly recommended by the manufacturer, may be used as from which the sample is secured weighs 20 lb (9 kg) or more,
an accelerator in amounts not exceeding ⁄2 % by weight of the total bag
reduce its contents to the required weight by quartering.
weight.
9. Mixing and Testing Surface Bonding Mortar
5. Proportioning
9.1 Mortar mixing equipment shall be as specified in Prac-
5.1 The proportions of materials such as hydraulic cements, tice C 305, except that the clearance adjustment bracket shall
C 887
U 5 0.156 W
be set for the largest size aggregate in the mix being tested. The
m
mixing procedure shall be as given in Annex A1.
Y 5 ~1 1 R ! B/U
w
9.2 Determine the surface bonding mortar plastic and
where:
hardened properties using the following appended test
R 5 ratio of weight of mixing water to weight of dry,
methods: w
combined material in batch of surface bonding
9.2.1 Annex A3—Flexural Strength of Surface Bonding
mortar calculated to three decimal places,
Mortar.
B 5 the printed bag weight, and
9.2.2 Annex A4—Compressive Strength of Surface
W 5 weight in grams of surface bonding mortar in the
m
Bonding Mortar.
400-mL measure.
9.2.3 Annex A5—Time of Setting of Surface Bonding
Mortar.
9.4.5 Water retention in percent.
9.2.4 Annex A6—Water Retention of Surface Bonding 9.4.6 Flexural Strength at ages specified in Table 1.
Mortar.
9.4.7 Compressive strength at ages specified in Table 1.
9.3 Mix a representative portion of the sample of the dry, 9.4.8 Time of setting, initial and final in hours.
combined surface bonding mortar weighing 4000 6 3 g. Use a
10. Basis of Rejection
proportionate amount of the water recommended by the
manufacturer to produce a working consistency or a sufficient
10.1 The packaged, dry, combined surface bonding mortar
amount of mixing water to produce a cone penetration of 2 ⁄2
may be rejected if it fails to meet any of the requirements of
to 3 in. (65 to 75 mm). Determine the consistency and weight
this specification.
of 400 mL of the mortar, in accordance with Annex A2, then
10.2 Packages varying more than 2 % from the weight
mold nine 1.575 by 1.575 by 6.3-in. (40 by 40 by 160-mm)
printed on the bag or produce a yield less than that printed on
prisms.
the bag may be rejected, and if the average weight of packages
9.3.1 Calculate the unit weight in pounds/cubic foot
in any shipment as shown by weighing 50 packages taken at
(kilograms/cubic metre) and yield in cubic feet (cubic metres)
random is less than that printed on the bag, the entire shipment
or the yield in square feet/inch (square metres/millimetre) of
may be rejected.
thickness, from the weight of the mortar in the 400-mL
10.3 All broken packages may be rejected.
measure used for the consistency test in Annex A2.
11. Marking and Packaging
9.3.2 Specimens for flexural strength shall be 1.575 by
1.575 by 6.3-in. (40 by 40 by 160-mm) prisms molded, cured,
11.1 All packages shall be identified as conforming to
and tested in accordance with Annex A3, with the broken
Specification C 887 and the net weight in each bag printed
halves of prisms tested in compression as modified cubes in
thereon.
accordance with Annex A4.
11.2 All packages shall be marked appropriately with the
9.3.3 Determine the time of setting by Vicat needles in
manufacturer’s code or open date of production. All containers
accordance with Annex A5.
shall have a prominently located CAUTION STATEMENT,
9.3.4 Determine the water retention in accordance with
warning of potential hazard to handlers of materials therein.
Annex A6.
11.3 The minimum yield in cubic feet (cubic metres) or the
9.4 The report of the tests shall include the following:
yield in square feet/inch (square metres/millimetre) of
9.4.1 Net weight of dry, combined material in the bag
thickness, and the amount of water recommended for mixing
determined to 0.1 lb (0.05 kg), by subtracting the weight of the
shall be marked on the package.
empty bag from the gross weight of the package.
NOTE 4—The amount of water recommended by the manufacturer
9.4.2 Amount of mixing water, W, calculated in pounds
should be the amount required to produce a working consistency under
(kilograms) per bag based on printed weight of the bag (Note
normal 70°F (21°C) climatic conditions.
3).
11.4 Container Construction—The material from which the
9.4.3 Unit weight, U, in pounds/cubic foot (kilograms/cubic
containers are made shall have water vapor transmission not
metre) in accordance with Test Method C 138 (Note 3).
greater than 100 g/m in 24 h as determined in accordance with
9.4.4 Yield, Y, of surface bonding mortar calculated from
Procedure B of Test Methods E 96.
the unit weight in cubic feet (cubic metres) per bag, based on
printed weight of bag (Note 1).
12. Keywords
NOTE 3—Calculate W, U, and Y as follows:
12.1 dry stacked; fiber reinforced; mortar; packaged;
W 5 R B (1) surface bonding
w
C 887
ANNEXES
(Mandatory Information)
A1. LABORATORY MECHANICAL MIXING OF SURFACE BONDING MORTAR
A1.1 Scope A1.4.1.1 Place all the mixing water in the bowl.
A1.4.1.2 Add the surface bonding mortar to the water.
A1.1.1 This method covers the mechanical mixing of
surface bonding mortars of plastic consistency.
A1.4.1.3 Start the mixer
...
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