1、Designation: C1714/C1714M 09Standard 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 year of last rev
2、ision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers masonry mortars whose mate-rials and design requirements are governed by SpecificationC270 but are p
3、reblended dry in a factory instead of producedfrom individual raw materials delivered to the job-site.1.2 The field-sampling, testing, directly comparable testresults, packaging, and the traceability of ingredients of preb-lended dry mortar mix differ from job site mixed mortars andthis standard spe
4、cifically addresses these issues. The tightcontrol of ingredient ratios possible with preblended dry mortaris also covered.1.3 The text of this specification refers to notes and foot-notes, which provide explanatory material. These notes andfootnotes (excluding those in tables and figures) shall not
5、 beconsidered the requirements of the standard.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the
6、 two systems may result in non-conformancewith the standard.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-b
7、ility of regulatory limitations prior to use. WarningFreshhydraulic cementitious mixtures are caustic and may causechemical burns to skin and tissue upon prolonged exposure.2. Referenced Documents2.1 ASTM Standards:2C144 Specification for Aggregate for Masonry MortarC260 Specification for Air-Entrai
8、ning Admixtures for Con-creteC270 Specification for Mortar for Unit MasonryC305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC780 Test Method for Preconstruction and ConstructionEvaluation of Mortars for Plain and Reinforced UnitMasonryC979 Specification
9、 for Pigments for Integrally ColoredConcreteC1180 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 definition of terms used in t
10、his specification, refer toTerminology C1180.3.2 Definitions of Terms Specific to This Standard:3.3 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 maycontain additives used to enha
11、nce one or more properties suchas setting time, workability, water retention, bond and durabil-ity or color pigment; and are thoroughly blended together at thefactory without the addition of water.3.4 additive, na dry mortar material other than the Speci-fication C270 prescribed materials of aggrega
12、te and cementi-tious materials that is added to a dry mortar mix at the batchplant to modify one or more properties of the conventionalmasonry mortar.4. Classification4.1 The classifications of mortars in this specification are asdescribed in Specification C270.5. Specifying Mortar5.1 Specify type o
13、f mortar desired.5.2 Preblended dry mortar mix shall be a mortar meetingboth the requirements of Specification C270 and the require-ments of this specification.1This specification is under the jurisdiction of ASTM Committee C12 onMortars and Grouts for Unit Masonry and is the direct responsibility o
14、f Subcom-mittee C12.03 on Specifications for Mortars.Current edition approved Dec. 15, 2009. Published December 2009. DOI:10.1520/C1714_C1714M-09.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards
15、 volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2.1 The property specification requirements of Specifica-tion C270 shall govern unless the proport
16、ion specificationrequirements are specifically requested.6. Materials6.1 Materials shall conform to Specification C270 except asfollows:6.1.1 AdditivesShall comply with the admixture require-ments of Specification C1384, except as follows:6.1.1.1 The Specification C1384 reference mortar shall bethis
17、 mortar without the additives and the Specification C1384admixed mortar shall be this mortar with the additives.6.1.1.2 When more than one additive meeting the require-ments of Specification C1384 is used, the chloride limits ofSpecification C1384 shall apply to the sum of all of theseadditives.6.1.
18、1.3 Air entraining materials shall comply with C260.6.1.1.4 Two air-entraining materials shall not be combinedin the mortar mix.6.1.2 Additives used as coloring pigments shall complywith the requirements of C979.7. Manufacture and Use7.1 All of the mortar mix materials shall be dry andmeasured by we
19、ight. The batch scales shall be calibrated atleast annually and shall be capable of consistently measuringeach ingredient to within 1 % of the total batch weight for eachingredient that is added at a rate of at least 20 % of total batchweight, and to within 5 % of the individual ingredients weightfo
20、r each ingredient that is added at a rate of less than 20 % oftotal batch weight.7.2 Each ingredient shall be added within a tolerance of610 % of the individual ingredients target weight.7.3 The weight of each mortar mix ingredient of the finalbatch shall be recorded and archived for every batch.NOT
21、E 1 This batch information is commonly referred to as a batchticket.7.4 A run number or batch number or some other markingused to ensure traceability of the batch shall be assigned toeach batch and retained as part of the batch archive.7.5 The batch information of 7.3 and 7.4 shall be archivedfor a
22、minimum of twelve months from date of manufacture.7.6 All of the dry mortar mix ingredients shall be thor-oughly blended.7.7 The preblended dry mortar mix shall be stored andcovered in such a manner as to prevent hardening, deteriora-tion, contamination, and segregation.7.8 Except for water, no mort
23、ar materials, wet or dry, shallbe added to the mortar mix or the resulting masonry mortarafter the initial blending of the dry mortar materials in the batchplant unless otherwise specified and approved by the manufac-turer of the preblended mortar mix.8. Sampling8.1 For mortars produced to property
24、specifications,samples for determining compliance with this specificationshall be sampled prior to the addition of water.8.2 Samples shall be of sufficient size to conduct all of thedesired testing.At a minimum, take three random samples of atleast 2.3 kg 5 lb each and combine them to form a singles
25、ample.8.3 Field samples taken from the original containers shall bemarked with the package markings as described in Section 14.The date of sampling shall also be included.8.3.1 Samples taken from job site silos shall be markedwith silo number or location and the sample date. If possible,the samples
26、shall also be marked with the package markingsfrom the original containers.NOTE 2Silos are typically filled from large bulk bags or super sacks,these large bags will have the product identification markings fromSection 14 and may still be available on the job-site.8.3.2 Samples taken from a mobile b
27、atch plant filled pneu-matically at the job site shall be marked in accordance withSection 14.9. Testing9.1 Testing shall be conducted in accordance with Specifi-cation C270 with the following exceptions:9.1.1 For mortar mixes meeting the proportion specifica-tions of C270, testing shall be performe
28、d by using verificationof ingredient proportions (batch tickets) archived from 7.3.Inaddition, 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 ofpreblended dry mortar mix in accordance with Practice C305with the except
29、ion that the combined material is added at thetime of cement addition in Practice C305. Additional watermay be added in the final mix period to adjust the flow.Determine the flow in accordance with Test Method C1437.Use sufficient water to produce a flow of 110 6 5%.9.1.3 Air ContentIf the mixture p
30、roportions and densitiesof all constituent materials are known, calculate the air contentin accordance with Specification C270, otherwise use thedensity of the preblended dry mortar mix as supplied by thepreblended dry mortar mix producer using the followingequations (D shall be calculated by the ma
31、nufacturer using theprocedures in Specification C270):D 5 W11 VW! / W1/D11 VW! (1)A 5 100 Wm/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 = volume of air, %, andWm= wei
32、ght of 400 mL of mortar, g.9.2 Preblended dry mortar mix shall be tested for compli-ance with Specification C270 initially and at least annually.9.2.1 Preblended dry mortar mix with additives shall com-ply with the property requirements of Specification C270 andC1714/C1714M 092the admixture requirem
33、ents of Specification C1384. Compli-ance shall be verified at the intervals required by SpecificationC1384, where the mortar used in testing is the preblended drymortar mix.9.3 If one or more of the mortar materials change in type orphysical characteristic or the proportions of the original batchcha
34、nge, the resulting preblended dry mortar mix shall bere-tested for compliance with both this specification andSpecification C270.9.4 Uncontaminated preblended dry mortar mix sampled atthe job site, before the addition of water:9.4.1 If designed to, shall meet the property requirements ofSpecificatio
35、n C270 and, if applicable, the requirements ofSpecification C1384, Table 1.9.4.2 If designed to meet the proportion requirements ofSpecification C270:9.4.2.1 Batch Ticket AvailableTesting shall be performedby using batch ticket verification of ingredient proportions.9.4.2.2 Batch Ticket Not Availabl
36、eTesting shall be per-formed by verification of ingredient proportions using thebatched ingredient proportions from 7.3 corresponding to thesample from 7.4 and 14.1.10. Field Testing10.1 Field samples taken in accordance with Section 8 shallbe taken to the laboratory and tested in accordance withSec
37、tion 9 of this specification.10.2 The performance values of an as-delivered preblendeddry mortar mix sampled at the job-site are directly comparableto the performance values of a preblended dry mortar mixsampled at the point of manufacture, because they can both betested in the laboratory using the
38、same test method.10.3 The performance values of preblended mortars testedafter water is added in the field are not comparable to theperformance values obtained in the laboratory because the testmethods are different. Refer to Test Method C780 and GuideC1586 for guidance on proper ways of evaluating
39、mortars afterwater has been added in the field.11. Reporting11.1 A report containing both the results from the testing inSection 9 and the corresponding batch information fromSection 7 shall be archived for at least 12 months.12. Certification12.1 Certification to C270 Property Specifications:12.1.1
40、 Preblended dry mortar mix shall be tested for com-pliance with Specification C270 initially and at least annually.12.1.2 Preblended dry mortar mix with additives shallcomply with the property requirements of Specification C270and the admixture requirements of Specification C1384. Com-pliance shall
41、be verified at the intervals required by Specifica-tion C1384, where the mortar used in testing is the preblendeddry mortar mix.12.1.3 If one or more of the mortar materials change in typeor physical characteristic or the proportions of the originalbatch change, the resulting preblended dry mortar m
42、ix shall bere-tested for compliance with both this specification andSpecification C270.12.2 Certification to C270 Proportion Specifications:12.2.1 Batch ticket and aggregate gradation informationshall be provided upon request.12.2.2 Documentation shall show that the aggregate grada-tions comply with
43、 the gradation specifications of SpecificationC144.13. Delivery Ticket Information13.1 The manufacturer of the mortar shall furnish to thepurchaser a delivery ticket that shows the following informa-tion:13.1.1 Serial number of ticket13.1.2 Truck or vehicle delivery number for unpackagedmortar.13.1.
44、3 Name of purchaser.13.1.4 Specific designation of 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 purchas-ers representative.13.1.8 Upon request, the manufacturer shall provide acertificate of compliance to
45、this specification as well as acertified test report with confirming test data that has beencollected within 12 months of the date of manufacture of theproduct being shipped.13.1.9 Upon request, the manufacturer shall provide thedensity of the preblended dry mortar mix for purposes ofdetermining air
46、 content.14. Packaging14.1 All deliveries shall contain the name of preblended drymortar mix producer.14.2 All deliveries shall contain a lot number or run numberor some other marking to ensure its traceability to the corre-sponding batch; see 7.4.14.3 All packages shall be identified with its weigh
47、t.14.4 All packages shall identify the type of mortar beingdelivered, including if the product is made from mortar cement,hydraulic cement and lime, or masonry cement. The presenceof additives such as integral water repellents or color pigmentsor both shall also be clearly indicated on the package.1
48、5. Keywords15.1 additive; admixture; batch number; dry mortar; ma-sonry; masonry cement; mortar; mortar cement; mortar mate-rials; packaged; portland cement and lime; preblended; preb-lended dry mixed mortarC1714/C1714M 093ASTM International takes no position respecting the validity of any patent ri
49、ghts asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Internation
