iTeh StandardsiTeh Standards
EURUSD
Your shopping cart is empty.
ASTM

ASTM C882-99

(Test Method)

Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear

Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear

SCOPE
1.1 This test method covers the determination of the bond strength of epoxy-resin-base bonding systems for use with portland-cement concrete. This test method covers bonding hardened concrete to hardened or freshly-mixed concrete.  
1.2 The values stated in inch-pound units are to be regarded as the standard. SI units may be approximate.
1.3 This standard does not purport to address all of the safety problems, 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. A specific hazard statement is given in Section 8.

General Information

Status
Historical
Publication Date
09-Feb-1999
ICS
91.100.30 - Concrete and concrete products
Technical Committee
C09 - Concrete and Concrete Aggregates
Drafting Committee
C09.25 - Organic Materials for Bonding
Current Stage
Ref Project

Relations

Replaced By
ASTM C882-05 - Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear
Effective Date
01-Nov-2005
Referred By
ASTM C928/C928M-20a - Standard Specification for Packaged, Dry, Rapid-Hardening Cementitious Materials for Concrete Repairs
Effective Date
10-Feb-1999

Buy Standard

ASTM C882-99 - Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant ShearASTM C882-99 - Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear
PreviousNext
Standard
ASTM C882-99 - Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear
English language
4 pages
sale 15% off
Preview
sale 15% off
Preview

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:C882–99
Standard Test Method for
Bond Strength of Epoxy-Resin Systems Used With Concrete
By Slant Shear
This standard is issued under the fixed designation C 882; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope C 881 Specification for Epoxy-Resin-Base Bonding Sys-
tems for Concrete
1.1 This test method covers the determination of the bond
strength of epoxy-resin-base bonding systems for use with
3. Terminology
portland-cement concrete. This test method covers bonding
3.1 See Section on Terminology of Specification C 881.
hardened concrete to hardened or freshly-mixed concrete.
1.2 The values stated in either inch-pound units or SI units
4. Summary of Test Method
are to be regarded separately as standard. Within the text, the
4.1 The bond strength is determined by using the epoxy
SI units are shown in brackets. The values stated in each
system to bond together two equal sections ofa3by 6-in. [75
system are not exact equivalents; therefore, each system shall
by 150-mm] portland-cement mortar cylinder, each section of
be used independently of the other. Combining values from the
which has a diagonally cast bonding area at a 30° angle from
two systems may result in nonconformance with this test
vertical. After suitable curing of the bonding agent, the test is
method.
performed by determining the compressive strength of the
1.3 This standard does not purport to address all of the
composite cylinder.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
5. Significance and Use
priate safety and health practices and determine the applica-
5.1 The strength developed by a bonding system that joins
bility of regulatory limitations prior to use. A specific hazard
two regions of concrete is its most important property.
statement is given in Section 8.
6. Apparatus
2. Referenced Documents
6.1 Apparatus to Mix Portland-Cement Mortar—This ap-
2.1 ASTM Standards:
paratus shall be as described in Test Method C 109/C 109M,
C 39 Test Method for Compressive Strength of Cylindrical
except for the sections on specimen molds, tamper, and testing
Concrete Specimens
machine.
C 109/C 109M Test Method for Compressive Strength of
6.2 Specimen Molds—The molds shall be constructed in the
Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube
form of right cylinders, 3 6 ⁄16 in. [75 6 2 mm] in inside
Specimens)
diameter and 6 6 ⁄16 in. [150 6 2 mm] high. All molds shall
C 150 Specification for Portland Cement
be either selected or machined so that the maximum range of
C 192 Practice for Making and Curing Concrete Specimens
the differences in each of the dimensions of the group of molds
in the Laboratory
is less than ⁄64 in. [0.5 mm]. The molds shall be made of metal
C 511 Specification for Moist Cabinets, Moist Rooms and
not attacked by portland-cement mortar. The side of the mold
Water Storage Tanks Used in the Testing of Hydraulic
3 shall be sufficiently rigid to prevent spreading or warping. The
Cements and Concretes
molds shall be made watertight before use. A satisfactory
C 617 Practice for Capping Cylindrical Concrete Speci-
2 material for this purpose is the paraffin-rosin mixture described
mens
in Test Method C 109/C 109M.
6.3 Dummy Section—A dummy section (Fig. 1) shall be
machined of a hard material that is not attacked by portland-
ThistestmethodisunderthejurisdictionofASTMCommitteeC-9onConcrete
and Concrete Aggregates, and is the direct responsibility of Subcommittee C09.25
cement mortar. It shall fit the mold and be equal to half the
on Organic Materials for Bonding.
volume of the cylinder, but at an angle of 30° from the vertical.
Current edition approved Feb. 10, 1999. Published May 1999. Originally
Additional dummy sections can be made by casting an epoxy-
published as C 882 – 78. Last previous edition C 882 – 91.
Annual Book of ASTM Standards, Vol 04.02. resin mortar against the machined dummy section contained in
Annual Book of ASTM Standards, Vol 04.01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C882–99
7.3 A3by6-in.[75by150-mm]cylinderofthemortarshall
have a compressive strength, when tested in accordance with
11.3, of at least 4500 psi [31 MPa] at 28-days age.
8. Hazards
8.1 Warning—Epoxy resins contain irritants, especially to
the skin, eyes, and respiratory system. Persons handling these
materials shall use appropriate protective clothing, including
rubber or plastic gloves. If an epoxy resin should contact the
skin, it shall be removed immediately with a dry cloth or paper
towel, and the area of contact shall be washed thoroughly with
soap and water. Solvents shall not be used, because they carry
Dimensions
in. mm the irritant into the skin. Cured epoxy resins are innocuous.
A—Diameter 3.000 [7562]
B—Height 5.598 [14062]
9. Sampling
C—Slant height 6.000 [15062]
D—Base height 0.402 [1062]
9.1 Take samples in accordance with Specification C 881.
FIG. 1 Dummy Section
10. Test Specimens
a specimen mold. Due precautions, such as waxing, shall be
10.1 Three composite test specimens are required for all
taken to prevent the bonding of the epoxy-resin mortar to the Types of resin systems.
machined dummy section or the mold.
10.2 Conditioning:
6.4 Tamping Rod—The tamping rod shall be a round rod of
10.2.1 Types I, III, IV, VI, and VII Systems—Condition the
brass or plastic, ⁄8 in. [10 mm] in diameter and approximately resin system components, the mortar sections, and all equip-
12in.[300mm]long,havingbothendsroundedtohemispheri-
ment that will contact the resin to the temperatures appropriate
cal tips. for the class of resin system used, as specified in Specification
6.5 Apparatus for Mixing Epoxy-Resin Bonding System—A
C 881, except for Type VI and Type VII systems condition the
glass, plastic, or metal container of approximately 3 oz. [0.1 L] mortar sections and all the equipment and materials at the
capacity shall be used to hand-mix the bonding system. A
highest temperature specified in Specification C 881.
tongue depressor or wooden stick of similar dimensions shall 10.2.1.1 Prepare the test specimens at these temperatures
be used as a paddle.
and make provision for maintaining them at these temperatures
6.6 Testing Machine—The testing machine shall be as duringtheentirecuretime.Preparethesurfacetobebondedby
described in Test Method C 39.
sandblasting and dry brushing to remove all loose surface
6.7 Moist Room—The moist room shall conform to the material.
requirements of Specification C 511.
10.2.1.2 Use mortar sections and assemblies that have been
6.8 Temperature-Conditioning Chambers— Rooms or soaked in water for 24 h. Place the face of the mortar sections
chambers in which the temperature is maintained appropriate
to be bonded on an absorbent material for 10 min prior to
to the class of the resin system being tested, in accordance with applying the adhesive. For assembled test specimens, remove
Specification C 881.
all water by shaking. Allow to air dry for 15 min.
10.2.2 Type II and Type VSystems—Since Type II and Type
7. Materials
V resins are appropriate for use only at temperatures that
7.1 Laboratory conditions, materials, proportions, and pro- permit strength gain of the freshly prepared concrete, only the
cedures for mixing the portland-cement m
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

This May Also Interest You

ASTM
ASTM C94/C94M-24a(Specification)
Standard Specification for Ready-Mixed Concrete

ABSTRACT
This specification covers ready-mixed concrete manufactured and delivered to a purchaser in freshly mixed and unhardened state as hereinafter specified. Requirements for quality of concrete shall be either as hereinafter specified or as specified by the purchase. In any case where the requirements of the purchaser differ from these in this specification, the purchaser's specification shall govern. In the absence of designated applicable materials specifications, materials specifications specified shall be used for cementitious materials, hydraulic cement, supplementary cementitious materials, cementitious concrete mixtures, aggregates, air-entraining admixtures, and chemical admixtures. Except as otherwise specifically permitted, cement, aggregate, and admixtures shall be measured by mass. Mixers will be stationary mixers or truck mixers. Agitators will be truck mixers or truck agitators. Test methods for compression, air content, slump, temperature shall be performed. For s strength test, at least two standard test specimens shall be made.
SCOPE
1.1 This specification covers ready-mixed concrete as defined in 3.2.2 (Note 1). Requirements for quality of ready-mixed concrete shall be either as stated in this specification or as ordered by the purchaser. When the purchaser’s requirements, as stated in the order, differ from those in this specification, the purchaser’s requirements shall govern. This specification does not cover the placement, consolidation, curing, or protection of the concrete after delivery to the purchaser.
Note 1: Concrete produced by volumetric batching and continuous mixing is covered in Specification C685/C685M. Fiber-reinforced concrete is covered in Specification C1116/C1116M.  
1.2 As used throughout this specification the producer manufactures ready-mixed concrete and the purchaser buys ready-mixed concrete.  
1.3 The values stated in either SI units, shown in brackets, 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 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.  
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, health, and environmental 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 use.2)  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
    16 pages
    English language
    sale 15% off
  • Technical specification
    16 pages
    English language
    sale 15% off
ASTM
ASTM C31/C31M-24a(Practice)
Standard Practice for Making and Curing Concrete Test Specimens in the Field

SIGNIFICANCE AND USE
4.1 This practice provides standardized requirements for making, and curing test specimens in the field. This practice also provides requirements for transporting test specimens to the laboratory, and for curing test specimens in the laboratory. Depending on their purpose, test specimens are either standard-cured, or field-cured.  
4.2 Uses of the test results of standard-cured test specimens include the following purposes:  
4.2.1 Acceptance testing for specified concrete strength,  
Note 2: Specification C94/C94M requires compressive-strength test specimens for acceptance to be standard-cured.  
4.2.2 Checking adequacy of mixture proportions for concrete strength, and  
4.2.3 Quality control.  
4.3 Uses of test results of field-cured test specimens include:  
4.3.1 Estimation of the in place concrete strength,  
4.3.2 Comparison with test results of standard cured specimens or with test results from various in-place test methods,  
4.3.3 Adequacy of curing and protection of concrete in the structure,  
4.3.4 Form or shoring removal time requirements, or  
4.3.5 Post-tensioning.
SCOPE
1.1 This practice covers procedures for making and curing cylinder and beam specimens from representative samples of fresh concrete for a construction project.  
1.2 This practice is not intended for making specimens from concrete not having measurable slump or requiring other sizes or shapes of specimens.  
1.3 This practice is not applicable to lightweight insulating concrete or controlled low strength material (CLSM).
Note 1: Test Method C495/C495M covers the preparation of specimens and the determination of the compressive strength of lightweight insulating concrete. Test Method D4832 covers procedures for the preparation, curing, transporting and testing of cylindrical test specimens of CLSM.  
1.4 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.  
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure.2)  
1.6 The text of this standard references notes which provide explanatory material. These notes shall not be considered as requirements of the standard.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    7 pages
    English language
    sale 15% off
  • Standard
    7 pages
    English language
    sale 15% off
ASTM
ASTM C989/C989M-24(Specification)
Standard Specification for Slag Cement for Use in Concrete and Mortars

ABSTRACT
This specification covers three strength grades of finely ground granulated blast-furnace slag (Grades 80, 100, and 120) for use as a cementitious material in concrete and mortars. The slag shall contain no additions and shall conform to the sulfide sulfur and sulfate chemical composition requirement. Physical properties of the slag shall be in accordance with the requirements for fineness as determined by air permeability and air content, slag activity index, and compressive strength.
SCOPE
1.1 This specification covers slag cement for use as a cementitious material in concrete and mortar.  
Note 1: The material described in this specification may be used to produce a blended cement meeting the requirements of Specification C595/C595M or as a separate ingredient in concrete or mortar mixtures. The material may also be useful in a variety of special grouts and mortars, and when used with an appropriate activator, as the principal cementitious material in some applications.
Note 2: Information on technical aspects of the use of the material described in this specification is contained in Appendix X1, Appendix X2, and Appendix X3. More detailed information on that subject is contained in ACI 233R.2  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 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.  
1.4 The following safety hazards caveat pertains only to the test methods described in this specification. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
    7 pages
    English language
    sale 15% off
  • Technical specification
    7 pages
    English language
    sale 15% off
ASTM
ASTM C311/C311M-24(Test Method)
Standard Test Methods for Sampling and Testing Coal Ash or Natural Pozzolans for Use in Concrete

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 coal ash or natural pozzolan results in an acceptable level of strength development when used in concrete. Since the test is performed with mortar, the results may not provide a direct correlation of how the coal 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 coal ash or natural pozzolan in concrete, but collectively help describe composition and uniformity of the material.
SCOPE
1.1 These test methods cover procedures for sampling and testing coal ash and raw or calcined pozzolans for use in concrete.  
1.2 The procedures appear in the following order:    
Sections  
Sampling  
7  
CHEMICAL ANALYSIS  
Reagents and apparatus  
10  
Moisture content  
11 and 12  
Loss on ignition  
13 and 14  
Silicon dioxide, aluminum oxide, iron oxide,
calcium oxide, magnesium oxide, sulfur
trioxide, sodium oxide and potassium
oxide  
15  
Available alkali  
16 and 17  
Ammonia  
18  
PHYSICAL TESTS  
Density  
19  
Fineness  
20  
Increase of drying shrinkage of mortar bars  
21 – 23  
Soundness  
24  
Air-entrainment of mortar  
25 and 26  
Strength activity index  
27 – 30  
Water requirement  
31  
Effectiveness of Coal Ash or Natural Pozzolan in
Controlling Alkali-Silica Reactions  
32  
Effectiveness of Coal Ash or Natural Pozzolan in
Contributing to Sulfate Resistance  
34  
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 are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
Note 1: Sieve size is identified by its standard designation in Specification E11. The alternative designation given in parentheses is for information only and does not represent a different standard sieve size.  
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, health, and environmental 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.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    11 pages
    English language
    sale 15% off
  • Standard
    11 pages
    English language
    sale 15% off
ASTM
ASTM C231/C231M-24(Test Method)
Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method

SIGNIFICANCE AND USE
3.1 This test method covers the determination of the air content of freshly mixed concrete. The test determines the air content of freshly mixed concrete exclusive of any air that may exist inside voids within aggregate particles. For this reason, it is applicable to concrete made with relatively dense aggregate particles and requires determination of the aggregate correction factor (see 6.1 and 9.1).  
3.2 This test method and Test Method C138/C138M and C173/C173M provide pressure, gravimetric, and volumetric procedures, respectively, for determining the air content of freshly mixed concrete. The pressure procedure of this test method gives substantially the same air contents as the other two test methods for concretes made with dense aggregates.  
3.3 The air content of hardened concrete may be either higher or lower than that determined by this test method. This depends upon the methods and amount of consolidation effort applied to the concrete from which the hardened concrete specimen is taken; uniformity and stability of the air bubbles in the fresh and hardened concrete; accuracy of the microscopic examination, if used; time of comparison; environmental exposure; stage in the delivery, placement and consolidation processes at which the air content of the unhardened concrete is determined, that is, before or after the concrete goes through a pump; and other factors.
SCOPE
1.1 This test method covers determination of the air content of freshly mixed concrete from observation of the change in volume of concrete with a change in pressure.  
1.2 This test method is intended for use with concretes and mortars made with relatively dense aggregates for which the aggregate correction factor can be satisfactorily determined by the technique described in Section 6. It is not applicable to concretes made with lightweight aggregates, air-cooled blast-furnace slag, or aggregates of high porosity. In these cases, Test Method C173/C173M should be used. This test method is also not applicable to nonplastic concrete such as is commonly used in the manufacture of pipe and concrete masonry units.  
1.3 The text of this test method references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.  
1.4 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.  
1.5 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, health, and environmental 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.2)  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off
ASTM
ASTM C512/C512M-24(Test Method)
Standard Test Method for Creep of Concrete in Compression

SIGNIFICANCE AND USE
4.1 This test method measures the load-induced time-dependent compressive strain at selected ages for concrete under an arbitrary set of controlled environmental conditions.  
4.2 This test method can be used to compare creep potentials of different concretes. A procedure is available, using the developed equation (or graphical plot), for calculating stress from strain data within massive non-reinforced concrete structures. For most specific design applications, the test conditions set forth herein must be modified to more closely simulate the anticipated curing, thermal, exposure, and loading age conditions for the prototype structure. Current theories and effects of material and environmental parameters are presented in ACI SP-135, Symposium on Creep and Shrinkage of Concrete: Effect of Materials and Environment.3  
4.3 In the absence of a satisfactory hypothesis governing creep phenomena, a number of assumptions have been developed that have been generally substantiated by test and experience.  
4.3.1 Creep is proportional to stress from 0 to 40 % of concrete compressive strength.  
4.3.2 Creep has been conclusively shown to be directly proportional to paste content throughout the range of paste contents normally used in concrete. Thus, the creep characteristics of concrete mixtures containing aggregate of maximum size greater than 50 mm [2 in.] may be determined from the creep characteristics of the minus 50-mm [minus 2-in.] fraction obtained by wet-sieving. Multiply the value of the characteristic by the ratio of the cement paste content (proportion by volume) in the full concrete mixture to the paste content of the sieved sample.  
4.4 The use of the logarithmic expression (Section 9) does not imply that the creep strain-time relationship is necessarily an exact logarithmic function; however, for the period of one year, the expression approximates normal creep behavior with sufficient accuracy to make possible the calculation of parameters that are useful...
SCOPE
1.1 This test method covers the determination of the creep of molded concrete cylinders subjected to sustained longitudinal compressive load. This test method is limited to concrete in which the maximum aggregate size does not exceed 50 mm [2 in.].  
1.2 The text of this standard refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    5 pages
    English language
    sale 15% off
  • Standard
    5 pages
    English language
    sale 15% off
ASTM
ASTM C88/C88M-24(Test Method)
Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate

SIGNIFICANCE AND USE
4.1 This test method provides a procedure for making a preliminary estimate of the soundness of aggregates for use in concrete and other purposes. The values obtained may be compared with specifications, for example Specification C33/C33M, that are designed to indicate the suitability of aggregate proposed for use. Since the precision of this test method is poor (Section 13), it may not be suitable for outright rejection of aggregates without confirmation from other tests more closely related to the specific service intended.  
4.2 Values for the permitted-loss percentage by this test method are usually different for fine and coarse aggregates, and attention is called to the fact that test results by use of the two salts differ considerably and care must be exercised in fixing proper limits in any specifications that include requirements for these tests. The test is usually more severe when magnesium sulfate is used; accordingly, limits for percent loss allowed when magnesium sulfate is used are normally higher than limits when sodium sulfate is used.
Note 2: Refer to the appropriate sections in Specification C33/C33M establishing conditions for acceptance of coarse and fine aggregates which fail to meet requirements based on this test.
SCOPE
1.1 This test method covers the testing of aggregates to estimate their soundness when subjected to weathering action in concrete or other applications. This is accomplished by repeated immersion in saturated solutions of sodium or magnesium sulfate followed by oven drying to partially or completely dehydrate the salt precipitated in permeable pore spaces. The internal expansive force, derived from the rehydration of the salt upon re-immersion, simulates the expansion of water on freezing. This test method furnishes information helpful in judging the soundness of aggregates when adequate information is not available from service records of the material exposed to actual weathering conditions.  
1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 Some values have only SI units because the inch-pound equivalents are not used in practice.  
1.4 If the results obtained from another standard are not reported in the same system of units as used by this test method, it is permitted to convert those results using the conversion factors found in the SI Quick Reference Guide.2
Note 1: Sieve size is identified by its standard designation in Specification E11. The alternate designation given in parentheses is for information only and does not represent a different standard sieve size.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    6 pages
    English language
    sale 15% off
  • Standard
    6 pages
    English language
    sale 15% off
ASTM
ASTM C1077-24(Practice)
Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation

SIGNIFICANCE AND USE
4.1 The testing and inspection of concrete and concrete aggregates are important elements in obtaining quality construction. A testing agency providing these services shall be selected with care.  
4.2 A testing agency shall be deemed qualified to perform and report the results of its tests if the agency meets the requirements of this practice. The testing agency services shall be provided under the technical direction of a registered professional engineer.  
4.3 This practice establishes essential characteristics pertaining to the organization, personnel, facilities, and quality systems of the testing agency. This practice may be supplemented by more specific criteria and requirements for particular projects.
SCOPE
1.1 This practice identifies and defines the duties, responsibilities, and minimum technical requirements of testing agency personnel and the minimum technical requirements for equipment utilized in testing concrete and concrete aggregates for use in construction.  
1.2 This practice provides criteria for the evaluation of the capability of a testing agency to perform designated ASTM test methods on concrete and concrete aggregates. It can be used by an evaluation authority in the inspection or accreditation of a testing agency or by other parties to determine if the agency is qualified to conduct the specified tests.
Note 1: Specification E329 provides criteria for the evaluation of agencies that perform the inspection of concrete during placement.  
1.3 This practice provides criteria for Inspection Bodies and Accreditation Bodies that provide services for evaluation of testing agencies in accordance with this practice.  
1.4 The text of this standard references notes and footnotes, which provide explanatory material and shall not be considered as requirements of this standard.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    9 pages
    English language
    sale 15% off
  • Standard
    9 pages
    English language
    sale 15% off
ASTM
ASTM C173/C173M-24(Test Method)
Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method

SIGNIFICANCE AND USE
4.1 This test method covers the determination of the air content of freshly mixed concrete. It measures the air contained in the mortar fraction of the concrete, but is not affected by air that may be present inside porous aggregate particles.  
4.1.1 Therefore, this is the appropriate test to determine the air content of concretes containing lightweight aggregates, air-cooled slag, and highly porous or vesicular natural aggregates.  
4.2 This test method requires the addition of sufficient isopropyl alcohol, when the meter is initially being filled with water, so that after the first or subsequent rollings little or no foam collects in the neck of the top section of the meter. If more foam is present than that equivalent to 2 % air above the water level, the test is declared invalid and must be repeated using a larger quantity of alcohol. Addition of alcohol to dispel foam any time after the initial filling of the meter to the zero mark is not permitted.  
4.3 The air content of hardened concrete may be either higher or lower than that determined by this test method. This depends upon the methods and amounts of consolidation effort applied to the concrete from which the hardened concrete specimen is taken; uniformity and stability of the air bubbles in the fresh and hardened concrete; accuracy of the microscopic examination, if used; time of comparison; environmental exposure; stage in the delivery, placement and consolidation processes at which the air content of the unhardened concrete is determined, that is, before or after the concrete goes through a pump; and other factors.
SCOPE
1.1 This test method covers determination of the air content of freshly mixed concrete containing any type of aggregate, whether it be dense, cellular, or lightweight.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this 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, health, and environmental 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.2)  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off
ASTM
ASTM C882/C882M-23(Test Method)
Standard Test Method for Bond Strength of Bonding Systems Used With Concrete By Slant Shear

ABSTRACT
This test method covers the determination of the bond strength of epoxy-resin-base bonding systems for use with Portland-cement concrete. The test method covers bonding hardened concrete to hardened or freshly-mixed concrete. The bond strength is determined by using the epoxy system to bond together two equal sections of Portland-cement mortar cylinder. After suitable curing of the bonding agent, the test is performed by determining the compressive strength of the composite cylinder. Apparatus to mix Portland-cement mortar shall be as described, except for the sections on specimen molds, tamper, and testing machine. The molds shall be constructed in the form of right cylinders. A dummy section shall be machined of a hard material that is not attacked by Portland-cement mortar. The testing machine shall be as described. Laboratory conditions, materials, proportions, and procedures for mixing the Portland-cement mortar shall be tested to meet the requirements specified.
SIGNIFICANCE AND USE
5.1 The strength developed by a bonding system that joins two regions of concrete is its most important property.
SCOPE
1.1 This test method covers the determination of the bond strength of bonding systems for use with portland-cement concrete. This test method covers bonding hardened concrete to hardened or freshly-mixed concrete.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.3 The text of this standard refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. A specific hazard statement is given in Section 9. (Warning —Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure.2)  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Standard
    6 pages
    English language
    sale 15% off
  • Standard
    6 pages
    English language
    sale 15% off