iTeh StandardsiTeh Standards
EURUSD
Your shopping cart is empty.
ASTM

ASTM C1357-09

(Test Method)

Standard Test Methods for Evaluating Masonry Bond Strength (Withdrawn 2016)

Standard Test Methods for Evaluating Masonry Bond Strength (Withdrawn 2016)

SIGNIFICANCE AND USE
This test method is intended for use in comparing the bond strengths (under the given conditions) of masonry mortars, as determined in accordance with Test Method C 1072.
This test method could be used, for example, to check one aspect of the quality of mortar products after production, or to indicate the bond potential of a mortar product without requiring the product to be tested in combination with many different units.
This test method uses controlled conditions of fabrication and curing that are not intended to represent field conditions.
This test method uses standard concrete masonry units. Mortars are batched by weight equivalents of volume proportions and are mixed to a prescribed flow. Prisms are constructed using a jig and are bag-cured.
Flexural bond strength determined by this test method shall not be interpreted as the flexural bond strength of a wall (because standard units are not used for wall construction), nor shall it be interpreted as an indication of extent of bond for purposes of water permeability evaluation.
SCOPE
1.1 These test methods cover the evaluation of flexural bond strength, normal to the bed joints, of masonry built of manufactured masonry units, as determined in accordance with Test Method C 1072. Sampling and testing procedures are referenced, and terms are defined. Two different test methods are specified, each for a different purpose:
1.1.1 The first test method is the “Test Method for Laboratory-Prepared Specimens.” Its purpose is to compare the bond strengths (under the given conditions) of masonry mortars. It could be used, for example, to check the quality of mortar products after production, or to indicate the bond strength (under the given conditions) of a mortar product without requiring the product to be tested in combination with many different units. It is not intended to represent field conditions. It uses standard concrete masonry units. Mortars are batched by weight equivalents of volume proportions and are mixed to a prescribed flow. Prisms are constructed using a jig and are bag-cured.
Note 1—Standard fired clay masonry units are under development but are not now available. When their development is complete, they will be incorporated into these test methods.  
1.1.2 The second test method is the “Test Method for Field-Prepared Specimens.” Its purpose is to evaluate the bond strength (under the given conditions) of a particular unit-mortar combination, either for preconstruction evaluation of materials or for quality control purposes during construction. Mortars are batched conventionally, and the flow is not prescribed. Prisms are constructed conventionally (no jig) and are bag-cured.
1.1.3 The two test methods are not consistent, nor are they intended to be. They are intended to be used for two different purposes. To make this clear, the two methods are presented separately.
1.1.4 Appendix X1 suggests two possible criteria for assessing the bond strength values obtained using these test methods. These possible evaluation criteria are given for illustration only and are not mandatory.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.
WITHDRAWN RATIONALE
These standard covers the evaluation of flexural bond strength, normal to the bed joints, of masonry built of manufactured masonry units, as determined in accordance with Test Method C1072. Sampling and testing procedures are referenced, and terms are defined. Two different test methods are specified, each for a diff...

General Information

Status
Withdrawn
Publication Date
31-May-2009
ICS
91.080.30 - Masonry
Technical Committee
C15 - Manufactured Masonry Units
Drafting Committee
C15.04 - Research
Current Stage
Ref Project

Relations

Replaces
ASTM C1357-05 - Standard Test Methods for Evaluating Masonry Bond Strength
Effective Date
01-Jun-2009
Replaced By
ASTM C1072-22 - Standard Test Methods for Measurement of Masonry Flexural Bond Strength
Effective Date
06-Jun-2016
Referred By
ASTM C183/C183M-23 - Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
Effective Date
01-Jun-2009
Referred By
ASTM C901-18 - Standard Specification for Prefabricated Masonry Panels
Effective Date
01-Jun-2009

Buy Standard

ASTM C1357-09 - Standard Test Methods for Evaluating Masonry Bond Strength (Withdrawn 2016)ASTM C1357-09 - Standard Test Methods for Evaluating Masonry Bond Strength (Withdrawn 2016)
PreviousNext
Standard
ASTM C1357-09 - Standard Test Methods for Evaluating Masonry Bond Strength (Withdrawn 2016)
English language
9 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: C1357 − 09
StandardTest Methods for
1
Evaluating Masonry Bond Strength
This standard is issued under the fixed designation C1357; 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.
INTRODUCTION
Bond strength between mortar and masonry units is an important physical property of masonry.
Increased bond strength provides greater resistance to loads and to cracking. Bond strength therefore
influences structural integrity and serviceability.
1. Scope* 1.1.3 The two test methods are not consistent, nor are they
intended to be. They are intended to be used for two different
1.1 Thesetestmethodscovertheevaluationofflexuralbond
purposes. To make this clear, the two methods are presented
strength, normal to the bed joints, of masonry built of manu-
separately.
factured masonry units, as determined in accordance with Test
1.1.4 AppendixX1suggeststwopossiblecriteriaforassess-
Method C1072. Sampling and testing procedures are
ing the bond strength values obtained using these test methods.
referenced, and terms are defined. Two different test methods
Thesepossibleevaluationcriteriaaregivenforillustrationonly
are specified, each for a different purpose:
and are not mandatory.
1.1.1 The first test method is the “Test Method for
1.2 The values stated in inch-pound units are to be regarded
Laboratory-PreparedSpecimens.”Itspurposeistocomparethe
as standard. The values given in parentheses are mathematical
bond strengths (under the given conditions) of masonry mor-
conversions to SI units that are provided for information only
tars. It could be used, for example, to check the quality of
and are not considered standard.
mortar products after production, or to indicate the bond
1.3 This standard does not purport to address all of the
strength (under the given conditions) of a mortar product
safety concerns, if any, associated with its use. It is the
without requiring the product to be tested in combination with
responsibility of the user of this standard to establish appro-
many different units. It is not intended to represent field
priate safety and health practices and determine the applica-
conditions. It uses standard concrete masonry units. Mortars
bility of regulatory limitations prior to use.
are batched by weight equivalents of volume proportions and
are mixed to a prescribed flow. Prisms are constructed using a
2. Referenced Documents
jig and are bag-cured.
2
2.1 ASTM Standards:
C67 Test Methods for Sampling and Testing Brick and
NOTE 1—Standard fired clay masonry units are under development but
are not now available. When their development is complete, they will be Structural Clay Tile
incorporated into these test methods.
C140 Test Methods for Sampling and Testing Concrete
Masonry Units and Related Units
1.1.2 The second test method is the “Test Method for
C230/C230M Specification for Flow Table for Use in Tests
Field-Prepared Specimens.” Its purpose is to evaluate the bond
of Hydraulic Cement
strength(underthegivenconditions)ofaparticularunit-mortar
C270 Specification for Mortar for Unit Masonry
combination, either for preconstruction evaluation of materials
C780 Test Method for Preconstruction and Construction
orforqualitycontrolpurposesduringconstruction.Mortarsare
Evaluation of Mortars for Plain and Reinforced Unit
batched conventionally, and the flow is not prescribed. Prisms
Masonry
are constructed conventionally (no jig) and are bag-cured.
C1072 Test Methods for Measurement of Masonry Flexural
Bond Strength
C1437 Test Method for Flow of Hydraulic Cement Mortar
1
These test methods are under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and are the direct responsibility of Subcommittee
2
C15.04 on Research. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved June 1, 2009. Published June 2009. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1996. Last previous edition approved in 2005 as C1357 – 05. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/C1357-09. 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

---------------------- Page: 1 ----------------------
C1357 − 09
2.2 Other Documents: (because standard units are not used for wall construction), nor
Building Code Requirements for Masonry Structures (ACI shall it be interpreted as an indication of extent of bond for
3
530-99/ASCE 5-99/TMS 4
...

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 C1780-23a(Practice)
Standard Practice for Installation Methods for Cement-based Adhered Masonry Veneer

SCOPE
1.1 This practice is intended to provide accepted procedures to designers and installers of cement-based adhered masonry veneer in residential and commercial construction. This information is meant to complement the specific installation instructions provided by manufacturers of cement-based adhered masonry veneers and recognized building codes, but is not meant to replace them. This practice does not address installation methods or techniques for all materials in the building envelope. This practice covers the installation of cement-based adhered masonry veneer units for application as adhered veneer to exterior and interior walls, columns, landscape structures and other structures suitable to receive adhered veneer. The units included in this practice are manufactured to meet the requirements of Specification C1670/C1670M or C1877. This practice is limited to the installation of units. This practice does not cover all flashing or moisture management requirements. Refer to the applicable building code and project documents for additional flashing and moisture management requirements.
Note 1: The National Concrete Masonry Association (NCMA) publication Installation Guide and Detailing Options for Compliance with ASTM C1780 for Adhered Manufactured Stone Veneer provides generally accepted methods and details for installation and flashing for manufactured stone veneer.
Note 2: This standard was developed for the installation of cement-based adhered veneer units manufactured from wet-cast concrete or dry-cast concrete. Refer to Guide C1242 for installation of adhered natural stone veneer.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 All workmanship and materials related to the installation of cement-based adhered masonry veneer units shall meet the requirements of the contract documents and building code having jurisdiction over the project.  
1.4 The text of this standard 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 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
    7 pages
    English language
    sale 15% off
  • Standard
    7 pages
    English language
    sale 15% off
ASTM
ASTM C1314-23a(Test Method)
Standard Test Method for Compressive Strength of Masonry Prisms

SIGNIFICANCE AND USE
4.1 This test method provides a means of verifying that masonry materials used in construction result in masonry that meets the specified compressive strength (Note 1).
Note 1: A prism is an assembly of components used to measure or verify a property (in this case, the specified compressive strength of masonry, f 'm). Testing of prisms may be part of a project’s field quality control or assurance program. In these cases, prisms are built as companions to a masonry element (for example, a masonry wall, column, pilaster, beam, or other element) at a jobsite where the masonry element is site-constructed, or within a factory or shop where the element is shop-built. These prisms are not intended to replicate or model the performance or design attributes of the as-built element. Prisms may also be fabricated in a laboratory for research purposes (Appendix X2). In each scenario (field or research) the test procedures are structured so that masonry assembly tested compressive strength (fmt) is measured in an accurate and repeatable manner.  
4.2 This test method provides a means of evaluating compressive strength characteristics of in-place masonry construction through testing of prisms obtained from that construction when sampled in accordance with Practice C1532/C1532M. Decisions made in preparing such field-removed prisms for testing, determining the net area, and interpreting the results of compression tests require professional judgment.  
4.3 If this test method is used as a guideline for performing research to determine the effects of various prism construction or test parameters on the compressive strength of masonry, deviations from this test method shall be reported. Such research prisms shall not be used to verify compliance with a specified compressive strength of masonry.
Note 2: The testing laboratory performing this test method should be evaluated in accordance with Practice C1093.  
4.3.1 Appendix X2 includes guidance information for the researcher on...
SCOPE
1.1 This test method covers procedures for masonry prism construction and testing, and procedures for determining the tested compressive strength of masonry, fmt, used to determine compliance with the specified compressive strength of masonry,  f ′m. When this test method is used for research purposes, the construction and test procedures within serve as a guideline and provide control parameters.  
1.2 This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.  
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 the standard.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off
ASTM
ASTM C1552-23(Practice)
Standard Practice for Capping Concrete Masonry Units, Related Units and Masonry Prisms for Compression Testing

SIGNIFICANCE AND USE
4.1 This practice describes procedures for providing plane surfaces on the two bearing surfaces of units and prisms. The purpose of this standard is to provide consistent and standardized procedures for capping units and prisms for compression testing. The procedures are based on those contained (or previously contained) in Test Methods C140/C140M, Practice C617/C617M, and Test Method C1314.
Note 2: Specimens capped using this practice will vary significantly in size and weight. Appropriate care and handling may differ based on specimen size and weight. Provide care and handling as needed to provide for proper capping based on the physical characteristics of the specimen being capped.
SCOPE
1.1 This practice covers apparatus, materials, and procedures for capping concrete masonry units, related units, including coupons or other specimens obtained from such units, and masonry prisms for compression testing.
Note 1: The testing laboratory performing these test methods should be evaluated in accordance with Practice C1093.  
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 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 C1314-23(Test Method)
Standard Test Method for Compressive Strength of Masonry Prisms

SIGNIFICANCE AND USE
4.1 This test method provides a means of verifying that masonry materials used in construction result in masonry that meets the specified compressive strength (Note 1).
Note 1: A prism is an assembly of components used to measure or verify a property (in this case, the specified compressive strength of masonry, f 'm). Testing of prisms may be part of a project’s field quality control or assurance program. In these cases, prisms are built as companions to a masonry element (for example, a masonry wall, column, pilaster, beam, or other element) at a jobsite where the masonry element is site-constructed, or within a factory or shop where the element is shop-built. These prisms are not intended to replicate or model the performance or design attributes of the as-built element. Prisms may also be fabricated in a laboratory for research purposes (Appendix X2). In each scenario (field or research) the test procedures are structured so that masonry assembly compressive strength (fmt) is measured in an accurate and repeatable manner.  
4.2 This test method provides a means of evaluating compressive strength characteristics of in-place masonry construction through testing of prisms obtained from that construction when sampled in accordance with Practice C1532/C1532M. Decisions made in preparing such field-removed prisms for testing, determining the net area, and interpreting the results of compression tests require professional judgment.  
4.3 If this test method is used as a guideline for performing research to determine the effects of various prism construction or test parameters on the compressive strength of masonry, deviations from this test method shall be reported. Such research prisms shall not be used to verify compliance with a specified compressive strength of masonry.
Note 2: The testing laboratory performing this test method should be evaluated in accordance with Practice C1093.  
4.3.1 Appendix X2 includes guidance information for the researcher on aspect...
SCOPE
1.1 This test method covers procedures for masonry prism construction and testing, and procedures for determining the compressive strength of masonry, fmt, used to determine compliance with the specified compressive strength of masonry,  f ′m. When this test method is used for research purposes, the construction and test procedures within serve as a guideline and provide control parameters.  
1.2 This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.  
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 the standard.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off
ASTM
ASTM C1780-23(Practice)
Standard Practice for Installation Methods for Cement-based Adhered Masonry Veneer

SCOPE
1.1 This practice is intended to provide accepted procedures to designers and installers of cement-based adhered masonry veneer in residential and commercial construction. This information is meant to complement the specific installation instructions provided by manufacturers of cement-based adhered masonry veneers and recognized building codes, but is not meant to replace them. This practice does not address installation methods or techniques for all materials in the building envelope. This practice covers the installation of cement-based adhered masonry veneer units for application as adhered veneer to exterior and interior walls, columns, landscape structures and other structures suitable to receive adhered veneer. The units included in this practice are manufactured to meet the requirements of Specification C1670/C1670M or C1877. This practice is limited to the installation of units. This practice does not cover all flashing or moisture management requirements. Refer to the applicable building code and project documents for additional flashing and moisture management requirements.
Note 1: The National Concrete Masonry Association (NCMA) publication Installation Guide and Detailing Options for Compliance with ASTM C1780 for Adhered Manufactured Stone Veneer provides generally accepted methods and details for installation and flashing for manufactured stone veneer.
Note 2: This standard was developed for the installation of cement-based adhered veneer units manufactured from wet-cast concrete or dry-cast concrete. Refer to Guide C1242 for installation of adhered natural stone veneer.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 All workmanship and materials related to the installation of cement-based adhered masonry veneer units shall meet the requirements of the contract documents and building code having jurisdiction over the project.  
1.4 The text of this standard 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 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
    7 pages
    English language
    sale 15% off
  • Standard
    7 pages
    English language
    sale 15% off
ASTM
ASTM C1532/C1532M-22(Practice)
Standard Practice for Selection, Removal, and Shipment of Manufactured Masonry Units and Masonry Specimens from Existing Construction

SIGNIFICANCE AND USE
4.1 Masonry specimens are sometimes removed as part of an assessment of the condition of masonry construction. Such specimens are commonly prepared for shipment to a laboratory where the specimens are assessed with visual techniques, petrographic techniques, or standard test methods. The process of selecting, removing, and shipping the specimens can have an effect on test results. This practice provides procedures for selecting, removing, and shipping masonry specimens removed from existing construction.  
4.2 The selection and removal processes described in this practice are primarily intended for walls. Selection and removal of masonry specimens from locations other than walls requires user judgment in order to obtain appropriate specimens.  
4.3 This practice also covers reporting of the selection, removal, and shipping processes. This information allows interested parties to assess the impact of these processes on test results.  
4.4 This practice does not address the use of test results conducted on removed masonry specimens. This practice does not determine whether the removed masonry materials met original specification requirements.
SCOPE
1.1 This practice covers the process of selection, removal, and shipment of masonry specimens from existing construction that are intended for testing. These specimens can be either individual masonry units or assemblages. Assemblages are a portion of existing masonry, typically consisting of masonry units, mortar, grout, reinforcing steel, collar joint, and masonry accessories. The specimens may be taken from single- or multiple-wythe construction, or portions thereof. This practice also covers procedures for reporting as part of this process.  
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 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.  
1.4 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
    4 pages
    English language
    sale 15% off
  • Standard
    4 pages
    English language
    sale 15% off
ASTM
ASTM C1531-22(Test Method)
Standard Test Methods for In Situ Measurement of Masonry Mortar Joint Shear Strength Index

SIGNIFICANCE AND USE
5.1 This test method provides a means of evaluating the horizontal in-plane shear behavior of mortar joints in existing unreinforced masonry assemblies (see Note 2).
Note 2: The masonry mortar joint shear strength index obtained by this test method can be related to the masonry wall shear strength by relationships contained in referencing Codes and Standards. For example, formulas relating shear index to wall shear strength are found in Chapter A1 of the International Existing Building Code and Chapter 11 of the Seismic Evaluation and Retrofit of Existing Buildings, ASCE Standard ASCE/SEI 41. The user of this standard is cautioned that these shear strength relationships are typically empirical relationships based on tests of early 20th-century unreinforced brick masonry. These relationships typically assume that wall shear strength is limited by shear of the mortar joints rather than shear through the units  
5.2 For hollow ungrouted or solid unit masonry construction the shear strength index is measured only for the mortar bed joints vertically adjacent to the unit being tested. When testing hollow ungrouted masonry construction, the shear strength index is based on the horizontal interface between the mortar and the test unit and the masonry above and below the test unit. In the case of multi-wythe construction, the measured mortar joint shear strength index is applicable only to the wythe in which the test unit is located; no headers shall exist immediately above or below the test unit. The contribution of any existing collar joint mortar to the measured shear strength index is neglected, and this may lead to an overestimate of the shear strength index (see Note 3).
Note 3: Some documents that reference this test method, including ASCE/SEI 41, include a reduction factor to account for the contribution of a filled collar joint to the measured shear strength index.  
5.3 The test procedure listed for Method A may be conducted as an extension of Test Method C1...
SCOPE
1.1 These test methods cover procedures for the determination of the average in situ mortar joint shear strength index in existing unreinforced solid-unit and ungrouted hollow-unit masonry built with clay or concrete units. Three methods are provided:  
1.1.1 Method A (with Flatjacks Controlling Normal Compressive Stress)—For determining mortar joint shear strength index when the state of normal compressive stress at the test site is controlled during the test using the flatjack method described in Test Method C1197. Horizontal displacement of the test unit is monitored throughout the test. The test setup for Method A is shown in Fig. 1.
FIG. 1 Test Setup—Method A  
Note 1: A paper2 by Francesco Graziotti et. al of Univ. of Pavia included in ASTM STP 1612 discusses alternative methods for interpreting Method A testing results.  
1.1.2 Method B (without Flatjacks Controlling Normal Compressive Stress)—For determining mortar joint shear strength index when using an estimate of the normal compressive stress at the location of the test site. Horizontal displacement of the test unit is not monitored during this procedure. The test set up for Method B is shown in Fig. 2.
FIG. 2 Test Setup—Method B  
1.1.3 Method C (with Flatjack Applying Horizontal Load)—For determining mortar joint shear strength index using an estimate of the normal compressive stress at the location of the test site, as shown in Fig. 3. Horizontal displacement of the test unit is generally not measured during this procedure.
FIG. 3 Test Setup—Method C  
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 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for informat...

  • Standard
    8 pages
    English language
    sale 15% off
  • Standard
    8 pages
    English language
    sale 15% off
ASTM
ASTM C1314-22a(Test Method)
Standard Test Method for Compressive Strength of Masonry Prisms

SIGNIFICANCE AND USE
4.1 This test method provides a means of verifying that masonry materials used in construction result in masonry that meets the specified compressive strength.  
4.2 This test method provides a means of evaluating compressive strength characteristics of in-place masonry construction through testing of prisms obtained from that construction when sampled in accordance with Practice C1532/C1532M. Decisions made in preparing such field-removed prisms for testing, determining the net area, and interpreting the results of compression tests require professional judgment.  
4.3 If this test method is used as a guideline for performing research to determine the effects of various prism construction or test parameters on the compressive strength of masonry, deviations from this test method shall be reported. Such research prisms shall not be used to verify compliance with a specified compressive strength of masonry.
Note 1: The testing laboratory performing this test method should be evaluated in accordance with Practice C1093.  
4.3.1 Appendix X2 includes guidance information for the researcher on aspects of materials, construction, and analysis.
SCOPE
1.1 This test method covers procedures for masonry prism construction and testing, and procedures for determining the compressive strength of masonry, fmt, used to determine compliance with the specified compressive strength of masonry,  f ′m. When this test method is used for research purposes, the construction and test procedures within serve as a guideline and provide control parameters.  
1.2 This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.  
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 the standard.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off
ASTM
ASTM C1892/C1892M-22(Test Method)
Standard Test Methods for Strength of Anchors in Masonry

SIGNIFICANCE AND USE
4.1 These test methods are intended to provide reproducible data from which acceptance criteria, design data, and specifications can be developed for anchors intended to be installed in masonry assemblies.
SCOPE
1.1 These test methods address the tensile and shear strengths of post-installed and placed-during-construction anchors in masonry test specimens made of masonry assemblies. Environmental exposures include freezing and thawing, moisture, decreased and elevated temperatures and corrosion. These test methods provide basic testing procedures for use with product-specific evaluation and acceptance standards and are intended to be performed in a testing laboratory. Product-specific evaluation and acceptance standards may add specific details and appropriate parameters as needed to accomplish the testing. Only those tests required by the specifying authority need to be performed.  
1.2 Loadings include quasi-static, dynamic, fatigue and shock. Environmental exposures include freezing and thawing, moisture, decreased and elevated temperatures and corrosion.  
1.3 These test methods are intended for use with post-installed and placed-during-construction anchors designed for installation projecting from the surface of a masonry test specimen.  
1.4 This standard prescribes separate procedures for static, dynamic, fatigue and shock testing. Nothing in this standard, however, shall preclude combined tests incorporating two or more of these types of loading (such as dynamic, fatigue and shock tests in series).  
1.5 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.  
1.6 Both inch-pound and SI units are provided in this standard. The testing may be performed in either system and reported in that system and the results converted to the other. However, anchor diameters, threads, and related testing equipment shall be in accordance with either inch-pound or SI provisions.  
1.7 Units—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.  
1.8 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.  
1.9 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 C1314-22(Test Method)
Standard Test Method for Compressive Strength of Masonry Prisms

SIGNIFICANCE AND USE
4.1 This test method provides a means of verifying that masonry materials used in construction result in masonry that meets the specified compressive strength.  
4.2 This test method provides a means of evaluating compressive strength characteristics of in-place masonry construction through testing of prisms obtained from that construction when sampled in accordance with Practice C1532/C1532M. Decisions made in preparing such field-removed prisms for testing, determining the net area, and interpreting the results of compression tests require professional judgment.  
4.3 If this test method is used as a guideline for performing research to determine the effects of various prism construction or test parameters on the compressive strength of masonry, deviations from this test method shall be reported. Such research prisms shall not be used to verify compliance with a specified compressive strength of masonry.
Note 1: The testing laboratory performing this test method should be evaluated in accordance with Practice C1093.  
4.3.1 Appendix X2 includes guidance information for the researcher on aspects of materials, construction, and analysis.
SCOPE
1.1 This test method covers procedures for masonry prism construction and testing, and procedures for determining the compressive strength of masonry, fmt, used to determine compliance with the specified compressive strength of masonry,  f ′m. When this test method is used for research purposes, the construction and test procedures within serve as a guideline and provide control parameters.  
1.2 This test method also covers procedures for determining the compressive strength of prisms obtained from field-removed masonry specimens.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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
    10 pages
    English language
    sale 15% off
  • Standard
    10 pages
    English language
    sale 15% off