ASTM C1714 C1714M-2013 Standard Specification for Preblended Dry Mortar Mix for Unit Masonry《砖石建筑用预混干砂浆混合料标准规格》.pdf

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1、Designation: C1714/C1714M 10C1714/C1714M 13Standard Specification forPreblended Dry Mortar Mix for Unit Masonry1This standard is issued under the fixed designation C1714/C1714M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the y

2、ear of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers masonry mortars whose materials and design requirements are governed by Specificatio

3、n C270 butare preblended dry in a factory instead of produced from individual raw materials delivered to the job-site.1.2 The field-sampling, testing, directly comparable test results, packaging, and the traceability of ingredients of preblended drymortar mix differ from job site mixed mortars and t

4、his standard specifically addresses these issues. The tight control of ingredientratios possible with preblended dry mortar is also covered.1.3 The text of this specification refers to notes and footnotes, which provide explanatory material. These notes and footnotes(excluding those in tables and fi

5、gures) shall not be considered the requirements of the 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 eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combi

6、ning values from thetwo 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 responsibilityof the user of this standard to establish appropriate safety and health practices and det

7、ermine the applicability of regulatorylimitations prior to use. WarningFresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin andtissue upon prolonged exposure.2. Referenced Documents2.1 ASTM Standards:2C144 Specification for Aggregate for Masonry MortarC260 Specifica

8、tion for Air-Entraining Admixtures for ConcreteC270 Specification for Mortar for Unit MasonryC305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic ConsistencyC780 Test Method for Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Maso

9、nryC979 Specification for Pigments for Integrally Colored ConcreteC1180 Terminology of Mortar and Grout for Unit MasonryC1384 Specification for Admixtures for Masonry MortarsC1437 Test Method for Flow of Hydraulic Cement MortarC1586 Guide for Quality Assurance of Mortars3. Terminology3.1 For definit

10、ion of terms used in this specification, refer to Terminology C1180.3.2 Definitions of Terms Specific to This Standard:3.2.1 preblended dry mortar mix, na mix of dry aggregate; portland cement and hydrated lime, blended hydraulic cement,masonry cement, hydraulic cement, or mortar cement; and may con

11、tain additives used to enhance one or more properties such assetting time, workability, water retention, bond and durability or color pigment; and are thoroughly blended together at the factorywithout the addition of water.1 This specification is under the jurisdiction of ASTM Committee C12 on Morta

12、rs and Grouts for Unit Masonry and is the direct responsibility of Subcommittee C12.03on Specifications for Mortars.Current edition approved June 15, 2010Jan. 1, 2013. Published June 2010February 2013. Originally approved in 2009. Last previous edition approved in 20092010 asC1714/C1714M 09.C1714/C1

13、714M 10.DOI:10.1520/C1714_C1714M-10.10.1520/C1714_C1714M-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.T

14、his document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior edit

15、ions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959

16、. United States13.2.2 additive, na dry mortar material other than the Specification C270 prescribed materials of aggregate and cementitiousmaterials that is added to a dry mortar mix at the batch plant to modify one or more properties of the conventional masonry mortar.4. Classification4.1 The class

17、ifications of mortars in this specification are as described in Specification C270. Mortar type selected shall be aType M, S, N, or O meeting the requirements of either the Property Specification or the Proportion Specifications.5. Specifying Mortar5.1 Specify type of mortar desired.5.2 Preblended d

18、ry mortar mix shall be a mortar meeting both the requirements of Specification C270 and the requirements ofthis specification.5.2.1 The property specification requirements of Specification C270 shall govern unless the proportion specificationrequirements are specifically requested.6. Materials6.1 Ma

19、terials shall conform to Specification C270 except as follows:6.1.1 AdditivesShall comply with the admixture requirements of Specification C1384, except as follows:6.1.1.1 The Specification C1384 reference mortar shall be this mortar without the additives and the Specification C1384admixed mortar sh

20、all be this mortar with the additives.6.1.1.2 When more than one additive meeting the requirements of Specification C1384 is used, the chloride limits ofSpecification C1384 shall apply to the sum of all of these additives.6.1.1.3 Air entraining materials shall comply with C260.6.1.1.4 Two air-entrai

21、ning materials shall not be combined in the mortar mix.6.1.2 Additives used as coloring pigments shall comply with the requirements of C979.6.2 As required by Specification C270, mortar mixes conforming to the Proportion Specification requirements shall not containmore than one air entraining materi

22、al.7. Manufacture and Use7.1 All of the mortar mix materials shall be dry and measured by weight. The batch scales shall be calibrated at least annuallyand shall be capable of consistently measuring each ingredient to within 1 % of the total batch weight for each ingredient that isadded at a rate of

23、 at least 20 % of total batch weight, and to within 5 % of the individual ingredients weight for each ingredientthat is added at a rate of less than 20 % of total batch weight.7.2 Each ingredient shall be added within a tolerance of 610 % of the individual ingredients target weight.7.3 The weight of

24、 each mortar mix ingredient of the final batch shall be recorded and archived for every batch.NOTE 1 This batch information is commonly referred to as a batch ticket.7.4 Arun number or batch number or some other marking used to ensure traceability of the batch shall be assigned to each batchand reta

25、ined as part of the batch archive.7.5 The batch information of 7.3 and 7.4 shall be archived for a minimum of twelve months from date of manufacture.7.6 All of the dry mortar mix ingredients shall be thoroughly blended.7.7 The preblended dry mortar mix shall be stored and covered in such a manner as

26、 to prevent hardening, deterioration,contamination, and segregation.7.8 Except for water, no mortar materials, wet or dry, shall be added to the mortar mix or the resulting masonry mortar afterthe initial blending of the dry mortar materials in the batch plant unless otherwise specified and approved

27、 by the manufacturer ofthe preblended mortar mix.8. Sampling8.1 For mortars produced to property specifications, samples for determining compliance with this specification shall besampled prior to the addition of water.8.2 Samples shall be of sufficient size to conduct all of the desired testing.At

28、a minimum, take three random samples of at least2.3 kg 5 lb each and combine them to form a single sample.8.2.1 For mortars sold in packages up to 45 kg 100 lb, select whole packages as necessary for required testing.8.2.1.1 Mix the entire contents of the package or packages before selecting random

29、samples in accordance with 8.2.8.3 Field samples taken from the original containers shall be marked with the package markings as described in Section 14. Thedate of sampling shall also be included.C1714/C1714M 1328.3.1 Samples taken from job site silos shall be marked with silo number or location an

30、d the sample date. If possible, thesamples shall also be marked with the package markings from the original containers.NOTE 2Silos are typically filled from large bulk bags or super sacks, these large bags will have the product identification markings from Section 14and may still be available on the

31、 job-site.8.3.2 Samples taken at the job site from a mobile batch plant shall be marked in accordance with Section 14.2.9. Testing9.1 Testing shall be conducted in accordance with Specification C270 with the following exceptions:9.1.1 For mortar mixes meeting the proportion specifications of C270, t

32、esting shall be performed by using verification ofingredient proportions (batch tickets) archived from 7.3. In addition, the aggregate shall be tested for compliance with therequirements of Specification C144.9.1.2 MixingMix 3000 6 3 g 6.61 6 0.01 lb of preblended dry mortar mix in accordance with P

33、ractice C305 with theexception that the combined material is added at the time of cement addition in Practice C305. Additional water may be added inthe final mix period to adjust the flow. Determine the flow in accordance with Test Method C1437. Use sufficient water to producea flow of 110 6 5 %.9.1

34、.3 Air ContentIf the mixture proportions and densities of all constituent materials are known, calculate the air content inaccordance with Specification C270, otherwise use the density of the preblended dry mortar mix as supplied by the preblended drymortar mix producer using the following equations

35、 (D shall be calculated by the manufacturer using the procedures in SpecificationC270):D 5W11VW!/W1/D11VW! (1)A 51002Wm/4D! (2)where:D = density of air-free mortar, g/cm3,W1 = weight of preblended dry mortar mix, g,VW = mL of water used,D1 = density of preblended dry mortar mix (see 13.1.9), g/cm3,A

36、 = volume of air, %, andWm = weight of 400 mL of mortar, g.9.2 Preblended dry mortar mix shall be tested for compliance with Specification C270 initially and at least annually.9.2.1 Preblended dry mortar mix with additives shall comply with the property requirements of Specification C270 and theadmi

37、xture requirements of Specification C1384. Compliance shall be verified at the intervals required by Specification C1384. TheSpecification C1384 reference mortar shall be this mortar without the additives and the Specification C1384 admixed mortar shallbe this mortar with the additives.9.3 If one or

38、 more of the mortar materials change in type or physical characteristic or the proportions of the original batchchange, the resulting preblended dry mortar mix shall be re-tested for compliance with both this specification and SpecificationC270.9.4 Uncontaminated preblended dry mortar mix sampled at

39、 the job site, before the addition of water:9.4.1 If designed to, shall meet the property requirements of Specification C270 and, if applicable, the requirements ofSpecification C1384, Table 1.9.4.2 If designed to meet the proportion requirements of Specification C270:9.4.2.1 Batch Ticket AvailableT

40、esting shall be performed by using batch ticket verification of ingredient proportions.9.4.2.2 Batch Ticket Not AvailableTesting shall be performed by verification of ingredient proportions using the batchedingredient proportions from 7.3 corresponding to the sample from 7.4 and 14.1.10. Field Testi

41、ng10.1 When field testing is required, the preblended dry mortar mix shall be sampled in accordance with Section 8 and testedin accordance with Section 9.10.2 The performance values of an as-delivered preblended dry mortar mix sampled at the job-site are directly comparable tothe performance values

42、of a preblended dry mortar mix sampled at the point of manufacture, because they can both be tested inthe laboratory using the same test method.10.3 The performance values of preblended mortars tested after water is added in the field are not comparable to theperformance values obtained in the labor

43、atory because the test methods are different. Refer to Test Method C780 and Guide C1586for guidance on proper ways of evaluating mortars after water has been added in the field.C1714/C1714M 13311. Reporting11.1 A report containing both the results from the testing in Section 9 and the corresponding

44、batch information from Section7 shall be archived for at least 12 months.12. Certification12.1 Certification to C270 Property Specifications:12.1.1 Preblended dry mortar mix shall be tested for compliance with Specification C270 initially and at least annually.12.1.2 Preblended dry mortar mix with a

45、dditives shall comply with the property requirements of Specification C270 and theadmixture requirements of Specification C1384. Compliance shall be verified at the intervals required by Specification C1384. TheSpecification C1384 reference mortar shall be this mortar without the additives and the S

46、pecification C1384 admixed mortar shallbe this mortar with the additives.12.1.3 If one or more of the mortar materials change in type or physical characteristic or the proportions of the original batchchange, the resulting preblended dry mortar mix shall be re-tested for compliance with both this sp

47、ecification and SpecificationC270.12.2 Certification to C270 Proportion Specifications:12.2.1 Batch ticket and aggregate gradation information shall be provided upon request.12.2.2 Documentation shall show that the aggregate gradations comply with the gradation specifications of Specification C144.1

48、3. Delivery Ticket Information13.1 The manufacturer of the mortar shall furnish to the purchaser a delivery ticket that shows the following information:13.1.1 Serial number of ticket13.1.2 Truck or vehicle delivery number for unpackaged mortar.13.1.3 Name of purchaser.13.1.4 Specific designation of

49、job name or location, or both.13.1.5 Mortar type.13.1.6 Quantity of mortar delivered.13.1.7 A location for the signature or initials of the purchasers representative.13.1.8 Upon request, the manufacturer shall provide a certificate of compliance to this specification as well as a certified testreport with confirming test data that has been collected within 12 months of the date of manufacture of the product being shipped.13.1.9 Upon request, the manufacturer shall provide the density of the preblended dry mortar mix for purposes of determiningair content.1