CSA A165 SERIES-2014 CSA Standards on concrete masonry units (Fifth Edition).pdf

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1、A165 Series-14CSA Standards on concrete masonry unitsLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers represent

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14、tirely their own responsibility.Authorized use of this documentThis document is being provided by CSA Group for informational and non-commercial use only. The user of this document is authorized to do only the following:If this document is in electronic form:sLOADTHISDOCUMENTONTOACOMPUTERFORTHESOLEP

15、URPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$(b) CSA A165.2, Concrete brick masonry units; and(c) CSA A165.3, Prefaced concrete masonry units.CSA A165.1 covers concrete block masonry units suitable for loadbearing and nonloadbearing applications. It classifies concre

16、te block masonry units by four physical properties denoted by facets. These properties are solid content, specified compressive strength, concrete type, and maximum moisture content. The physical properties are based on performance rather than specific material combinations or manufacturing processe

17、s. To fully complete a block unit specification under this Standard, the specifier designates unit performance for each physical property using an identification code. The specified compressive strengths of units given in Table 1 of this Standard, based on the average net area of the unit, parallel

18、those identified for the design of masonry in CSA S304, Design of Masonry Structures.CSA A165.2 covers both hollow and solid concrete brick units. Solid units are suitable for loadbearing and nonloadbearing applications, whereas hollow units are limited to nonloadbearing applications. The Standard i

19、dentifies two grades of units: Grade I, for use in masonry exposed to the weather, and Grade II, for use as backup or interior facing masonry and not for exposure to the weather. Both hollow and solid concrete brick units are classified by their physical properties and the extent of coring and frogg

20、ing. Physical properties include specified compressive strength, water absorption, and moisture content.CSA A165.3 specifies the properties of masonry units prefaced during manufacturing. The Standard provides requirements for resistance to aging, thermal shock, and freeze-thaw cycling, as well as r

21、eferencing the requirements of ASTM C744, Standard Specification for Prefaced Concrete and Calcium Silicate Masonry Units. The base unit for the applied facing is governed by CSA A165.1 or CSA A165.2, as applicable.The principal changes to this edition of the CSA A165 Series include adding Portland-

22、limestone cements and blended hydraulic cements as acceptable cementitious materials for the manufacture of concrete masonry units; referencing ASTM C979 as the required standard for colouring pigments for concrete masonry units; using “normalized web area”, rather than “equivalent web thickness”, a

23、s the means of measuring and expressing the area of web between the faceshells of a concrete masonry unit; adding clarifying notes on the maximum variation between concrete masonry units of a specified dimension within a job lot;providing clarifying notes about the procedures required to determine t

24、he density of concrete block masonry units manufactured from Type C or D concrete; reducing the permissible variation in the height of standard concrete block masonry units; adding clarifying notes on the appearance of concrete block masonry units and the use of sample panels; and referring to the n

25、ominal or actual dimension normal to the face of a concrete masonry unit as its “thickness” rather than its “width”, to harmonize with the other CSA Group masonry standards and the National Building Code of Canada.This Series of Standards was prepared by the Technical Committee on Concrete Masonry U

26、nits (A165 Series), under the jurisdiction of the Strategic Steering Committee on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.Notes: (1) Use of the singular does not exclude the plural (and vice versa) when the sense allows.(2) Although the intend

27、ed primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose.(3) This Standard was developed by consensus, which is defined by CSA Policy governing standar

28、dization Code of good practice for standardization as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It is consistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with

29、all clauses of this Standard. 2014 CSA Group CSA Standards on concrete masonry unitsJuly 2014 ix(4) To submit a request for interpretation of this Standard, please send the following information to inquiriescsagroup.org and include “Request for interpretation” in the subject line:(a) define the prob

30、lem, making reference to the specific clause, and, where appropriate, include an illustrative sketch;(b) provide an explanation of circumstances surrounding the actual field condition; and(c) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue

31、.Committee interpretations are processed in accordance with the CSA Directives and guidelines governing standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.(5) This Standard is subject to review five years from the date of publication. Suggestions

32、 for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject line:(a) Standard designation (number);(b) relevant clause, table, and/or figure number

33、;(c) wording of the proposed change; and(d) rationale for the change.TMA trade-mark of the Canadian Standards Association, operating as “CSA Group”Published in July 2014 by CSA GroupA not-for-profit private sector organization5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-46

34、3-6727 416-747-4044Visit our Online Store at shop.csa.caA165.1-14Concrete block masonry units 2014 CSA Group Concrete block masonry unitsJuly 2014 3A165.1-14Concrete block masonry units1Scope1.1This Standard applies to concrete block masonry units made from cementitious materials, water, and aggrega

35、tes, with or without the inclusion of other materials. This Standard may be applied to other units of similar manufacture and size within the limitations of the Standard.Note: For concrete brick masonry units, see CSA A165.2. For prefaced concrete masonry units, see CSA A165.3.1.2In this Standard, “

36、shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible within the

37、limits of the standard.Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.Notes to tables and figures are considered part of the table or figure and may be wr

38、itten as requirements.Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.2 Reference publications and definitions2.1 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edit

39、ion listed below, including all amendments published thereto.CSA GroupA23.1-14/A23.2-14Concrete materials and methods of concrete construction/Test methods and standard practices for concreteA165.2-14Concrete brick masonry unitsA165.3-14Prefaced concrete masonry unitsA371-14Masonry construction for

40、buildingsA3000-13Cementitious materials compendiumA3001-13Cementitious materials for use in concreteA165.1-14 2014 CSA Group4 July 2014S304-14Design of masonry structuresASTM InternationalC140/C140M-14Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related UnitsC207-06 (201

41、1)Standard Specification for Hydrated Lime for Masonry PurposesC331/C331M-14Standard Specification for Lightweight Aggregates for Concrete Masonry UnitsC426-10Standard Test Method for Linear Drying Shrinkage of Concrete Masonry UnitsC979/C979M-10Standard Specification for Pigments for Integrally Col

42、ored ConcreteCCMPA (Canadian Concrete Masonry Producers Association)Metric Technical Manual, sixth editionNational Research Council CanadaNational Building Code of Canada (NBCC), 2015RR-331Guide to Calculating Airborne Sound Transmission in BuildingsNCMA (National Concrete Masonry Association)TEK 6

43、seriesEnergyTEK 10 seriesMovement ControlTEK 13-1C (2012)Sound Transmission Class Ratings for Concrete Masonry WallsTEK 13-2A (2007)Noise Control with Concrete MasonryULC (Underwriters Laboratories of Canada)CAN/ULC-S101-14Standard Methods of Fire Endurance Tests of Building Construction and Materia

44、lsOther publicationWarnock, A.C.C. 1990. Sound Transmission Loss Measurements through 190 mm and 140 mm Blocks with Added Drywall and through Cavity Block Walls. Institute for Research in Construction, Internal Report No. 586, January 19902.2 DefinitionsThe following definitions shall apply in this

45、Standard:Note: See Figure 1 for an illustration of a typical concrete block masonry unit. 2014 CSA Group Concrete block masonry unitsJuly 2014 5Aggregate a natural, processed, or manufactured inert granular material such as sand, gravel, pumice, scoria, tuff, cinders, crushed stone, vermiculite, exp

46、anded shale, perlite, or blast furnace slag.Average net cross-sectional area the cross-sectional area of the unit, determined by dividing its net volume (determined in accordance with the requirements of this Standard) by its height. See also Gross cross-sectional area and Net cross-sectional area.C

47、oncrete block masonry unit a hollow, semi-solid, or full solid masonry unit made from cementitious materials, water, and aggregates, with or without other materials, and with dimensions and properties in accordance with this Standard.Full solid (SF) unit a unit that has a net cross-sectional area in

48、 all planes parallel to the bearing surface of 100% of the gross cross-sectional area measured in the same plane. See also Gross cross-sectional area and Net cross-sectional area.Gross cross-sectional area the area of masonry on a plane parallel to the bearing surface of a masonry unit, calculated b

49、y multiplying the actual length by the actual thickness.Hollow (H) unit a unit that has a net cross-sectional area in any plane parallel to the bearing surface of less than 75% of the gross cross-sectional area measured in the same plane. See also Gross cross-sectional area and Net cross-sectional area.Job lot a lot intended for use on a specific job (or project) and consisting of u