1、Designation: C1329/C1329M 15C1329/C1329M 16Standard Specification forMortar Cement1This standard is issued under the fixed designation C1329/C1329M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A numbe
2、r in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope Scope*1.1 This specification covers three types of mortar cement for use where mortar for masonry is required.1.2 UnitsThe values stated in eit
3、her SI units or inch-pound units are to be regarded separately as standard. The values statedin each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with the standard. Values in S
4、I units shall be obtained by measurement inSI units or by appropriate conversion, using the Rules for Conversion and Rounding given in Standard IEEE/ASTM SI 10, ofmeasurements made in other units. Values are stated in only SI units when inch-pound units are not used in practice.1.3 The text of this
5、standard refers to notes and footnotes which 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 following safety hazards caveat pertains only to Section 16. This standard does not purport to a
6、ddress all of the safetyconcerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limitations prior to use. (WarningFresh hydraulic cementitious mixturesare causti
7、c and may cause chemical burns to skin and tissue upon prolonged exposure.2)2. Referenced Documents2.1 ASTM Standards:3C91 Specification for Masonry CementC109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube Specimens)C151 Test Method for Autoclave E
8、xpansion of Hydraulic CementC183 Practice for Sampling and the Amount of Testing of Hydraulic CementC185 Test Method for Air Content of Hydraulic Cement MortarC187 Test Method for Amount of Water Required for Normal Consistency of Hydraulic Cement PasteC188 Test Method for Density of Hydraulic Cemen
9、tC219 Terminology Relating to Hydraulic CementC266 Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore NeedlesC305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic ConsistencyC430 Test Method for Fineness of Hydraulic Cement by the 45-m (No. 325) Sie
10、veC511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of HydraulicCements and ConcretesC778 Specification for Standard SandC1357C1072 Test Methods for Evaluating Measurement of Masonry Flexural Bond StrengthC1506 Test Method for Water Retenti
11、on of Hydraulic Cement-Based Mortars and PlastersIEEE/ASTM SI 10 Standard for Use of the International System of Units (SI): The Modern Metric System3. Terminology3.1 DefinitionsTerms used in this specification are defined in Terminology C219.3.2 Definitions of Terms Specific to This Standard:1 This
12、 specification is under the jurisdiction of ASTM Committee C01 on Cement and is the direct responsibility of Subcommittee C01.11 on Masonry Cement.Current edition approved June 1, 2015April 1, 2016. Published July 2015April 2016. Originally approved in 1996. Last previous edition approved in 2012201
13、5 asC1329/C1329M 12.C1329/C1329M 15. DOI: 10.1520/C1329_C1329M-15.10.1520/C1329_C1329M-16.2 Annual Book of ASTM Standards, Vol 04.01. See the section on Safety Precautions in the Manual of Cement Testing.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Ser
14、vice at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This 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 previo
15、us version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions 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 Chang
16、es section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.2.1 mortar cementcement, na hydraulic cement, primarily used in masonry construction, consisting of a mixture ofportland or blended hydrau
17、lic cement and plasticizing materials (such as limestone or hydrated or hydraulic lime), together withother materials introduced to enhance one or more properties such as setting time, workability, water retention, and durability.3.2.1.1 DiscussionMortar cement is similar to masonry cement in use an
18、d function (see Specification C91). However, this specification requires lowerair contents and includes a flexural bond strength requirement.4. Classification4.1 Mortar cements are classified as Type N, S, or M, according to the physical requirements prescribed in Table 1.5. Physical Properties5.1 M
19、ortar cement shall conform to the applicable requirements prescribed in Table 1 for its classification.6. Sampling6.1 At the option of the purchaser, the cement shall be sampled and tested to verify compliance with this specification, samplingand testing shall be performed in accordance with Practic
20、e C183.6.2 Practice C183 is not designed for manufacturing quality control and is not required for manufacturers certification.7. Temperature and Humidity7.1 The temperature and relative humidity of the air in the vicinity of the mixing slab and dry materials, molds, base plates, andmixing bowl shal
21、l conform to the requirements of Test Method C109/C109M.7.2 The moist cabinet or moist room shall conform to the requirements of Specification C511.8. Fineness8.1 Determine the residue on the 45 m (No. 325) sieve in accordance with Test Method C430.9. Normal Consistency9.1 Determine the normal consi
22、stency by the Vicat apparatus in accordance with Test Method C187.10. Autoclave Expansion10.1 Determine the autoclave expansion in accordance with Test Method C151. After molding, store the bars in the moistcabinet or room for 48 h 6 30 min before removal from the molds for measurement and testing i
23、n the autoclave. Calculate thedifference in length of the test specimen before and after autoclaving to the nearest 0.01 % of the effective gauge length, and reportas the autoclave expansion of the mortar cement.11. Time of Setting11.1 Determine the time of setting by the Gillmore needle method in a
24、ccordance with Test Method C266.TABLE 1 Physical RequirementsMortar Cement Type N S MFineness, residue on a 45 m (No. 325) sieve, max, % 24 24 24Autoclave expansion, max, % 1.0 1.0 1.0Time of setting, Gillmore method:Initial set, minutes, not less than 120 90 90Initial set, minutes, not more than 10
25、00 1000 1000Compressive strength (average of three cubes):The compressive strength of mortar cubes, composed of 1 part cement and 3 parts blended sand (half gradedstandard sand and half standard 20-30 sand) by volume, prepared and tested in accordance with thisspecification, shall be equal to or hig
26、her than the values specified for the ages indicated below:7 days, MPa psi 3.5 500 9.0 1300 12.4 180028 days, MPa psi 6.2 900 14.5 2100 20.0 2900Flexural bond strength28 days, min, MPa psi 0.5 70 0.7 100 0.8 115Air content of mortar:Min, volume % 8 8 8Max, volume % 21 19 19Water retention value, min
27、, %, of original flow 70 70 70C1329/C1329M 16212. Density12.1 Determine the density of the mortar cement in accordance with Test Method C188, using kerosine as the liquid. Use thedensity so determined in the calculation of the air content of the mortars.13. Blended Sand13.1 The sand shall be a blend
28、 of equal parts by weight of graded standard sand and 20-30 standard sand conforming toSpecification C778.14. Preparation of Mortar14.1 Proportions for MortarMortar for air entrainment, compressive strength, and water retention tests shall be proportionedto contain 1620 g of sand and a mass of cemen
29、t, in grams, as indicated in Table 2.The sand shall consist of 810 g of graded standardsand and 810 g of 20-30 standard sand. The quantity of water, measured in millilitres, shall be such as to produce a flow of 1106 5 as determined by Test Method C109/C109M.14.2 Mixing of MortarsMix the mortar in a
30、ccordance with Practice C305.14.3 Determination of FlowDetermine the flow in accordance with Test Method C109/C109M.15. Air Entrainment15.1 ProcedureIf the mortar has the correct flow, use a separate portion of the mortar for the determination of entrained air.Determine the mass of 400 mL of mortar
31、in accordance with Test Method C185.15.2 CalculationCalculate the air content of the mortar, and report it to the nearest 1 % as follows:D 5W11W21Vw!/W1/S1!1W2/S2!1Vw# (1)A 51002Wm/4D!where:D = density of air-free mortar, g/cm3,W1 = mass of cement, g,W2 = mass of sand, g,Vw = mL-g of water used,S1 =
32、 density of cement, g/cm3,S2 = density of standard sand, 2.65 g/cm3,A = volume percent of entrained air, andWm = mass of 400 mL of mortar, g.16. Compressive Strength16.1 Test Specimens:16.1.1 MoldingImmediately after determining the flow and mass of 400 mL of mortar, return all of the mortar to the
33、mixingbowl and remix for 15 s at the medium speed. Then mold the test specimens in accordance with Test Method C109/C109M, exceptthat the elapsed time for mixing mortar, determining flow, determining air entrainment, and starting the molding of cubes shall bewithin 8 min.16.1.2 StorageImmediately af
34、ter molding, store all test specimens in the molds on plane plates in a moist cabinet or moistroom for 48 to 52 h in such a manner that the upper surfaces shall be exposed to the moist air. Then remove the cubes from themolds, and place them in the moist cabinet or moist room for five days in such a
35、 manner as to allow free circulation of air aroundat least five faces of the specimens. At the age of seven days, immerse the cubes for the 28-day tests in saturated lime water instorage tanks of noncorrodible materials.16.2 Procedure:16.2.1 Test the cube specimens immediately after their removal fr
36、om the moist cabinet or moist room for seven-day specimens,and immediately after their removal from storage water for all other specimens. If more than one specimen at a time is removedfrom the moist cabinet or moist room for seven-day tests, cover these cubes with a damp cloth until the time of tes
37、ting.16.2.2 The remainder of the testing procedure shall conform to Test Method C109/C109M.TABLE 2 Cement in Laboratory Batch of MortarMortar Cement Type Mass of Cement, gN 480S 510M 540C1329/C1329M 16317. Water Retention17.1 Water retention shall be determined in accordance with the procedures in T
38、est Method C1506.18. Flexural Bond Strength18.1 Flexural bond strength shall be determined in accordance with the test method for laboratory prepared specimens of TestMethods C1357C1072, except sand shall be a blend of equal mass of graded and standard 20-30 sand conforming to SpecificationC778 and
39、mortar shall be proportioned to contain mass of cement in kg equal to 0.20 times the net mass in kg printed on the bagand 22.0 kg of sand. The flexural bond strength of mortar cement shall be determined as the average gross area flexural bondstrength of 30 joints minus 1.28 times the standard deviat
40、ion of the sample.19. Storage19.1 The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of eachshipment, and in a suitable weathertight building that will protect the cement from dampness and minimize warehouse set.20. Inspection20.1 Adequate f
41、acilities shall be provided to the purchaser for the necessary inspection and sampling.20.2 All packages shall be in good condition at the time of inspection.21. Rejection21.1 At the option of the purchaser, the cement shall be rejected if it fails to meet any of the requirements of this specificati
42、on.21.2 At the option of the purchaser, packages more than 2 % below the mass marked thereon shall be rejected. At the optionof the purchaser, the entire shipment shall be rejected if the average mass of packages in any shipment, as shown by weighing 50packages taken at random, is less than that mar
43、ked on the packages.21.3 At the option of the purchaser, cement remaining in storage prior to shipment for a period greater than six months aftertesting shall be retested and, at the option of the purchaser, shall be rejected if it fails to meet any of the requirements of thisspecification.22. Manuf
44、acturers Certification22.1 Upon request of the purchaser in the contract or order, a manufacturers report shall be furnished at the time of shipmentstating the results of the tests made on samples of the material taken during production or transfer and certifying that the applicablerequirements of t
45、his specification have been met.23. Packaging and Package Marking23.1 When mortar cement is delivered in packages, the brand, name of the manufacturer, type of mortar cement, and net massof the package in kilograms shall be indicated plainly thereon. Similar information shall be provided in the ship
46、ping documentsaccompanying the shipment of mortar cement in bulk.24. Keywords24.1 flexural bond strength; masonry; mortar; mortar cementSUMMARY OF CHANGESCommittee C01 has identified the location of selected changes to this standard since the last issue(C1329/C1329M 15) that may impact the use of th
47、is standard. (Approved April 1, 2016.)(1) Replaced Test Methods C1357 with Test Methods C1072 in Referenced Documents (Section 2).(2) Replaced reference to Test Methods C1357 with reference to Test Methods C1072 in subsection 18.1.C1329/C1329M 164ASTM International takes no position respecting the v
48、alidity of any patent rights 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 s
49、ubject 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 International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to
