1、Designation: C1707 11C1707 18Standard Specification forPozzolanic Hydraulic Lime for Structural Purposes 1This standard is issued under the fixed designation C1707; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last r
2、evision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This standard covers four types of pozzolanic hydraulic lime for structural purposes which include use in mortar, scratch,br
3、own, and finish (stucco) coats of interior or exterior plaster.1.1.1 PHLPozzolanic hydraulic lime for use in mortar, scratch, brown, and finish (stucco) coats of interior or exterior plaster.1.1.2 PHLcPHL with a maximum 20 % binder weight of hydraulic cement.1.1.3 PHL-AAir-entrained PHL.1.1.4 PHLc-A
4、Air-entrained PHLc.1.2 The values stated in SI units are to be regarded as standard.1.3 This specification classifies pozzolanic hydraulic lime by minimum hydrated lime content, maximum hydraulic cementcontent, and specific performance requirements.1.4 This standard does not purport to address all o
5、f the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.5 This international standard was dev
6、eloped in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Docum
7、ents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone, Quicklime, and Hydrated LimeC50C50/C50M Practice for Sampling, Sample Preparation, Packaging, and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone (as used by the Industry)C109/C109M Test
8、 Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube Specimens)C110 Test Methods for Physical Testing of Quicklime, Hydrated Lime, and LimestoneC114 Test Methods for Chemical Analysis of Hydraulic CementC150C150/C150M Specification for Portland CementC207 Specifica
9、tion for Hydrated Lime for Masonry PurposesC266 Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore NeedlesC270 Specification for Mortar for Unit MasonryC305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic ConsistencyC511 Specification for Mixing Ro
10、oms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of HydraulicCements and ConcretesC595C595/C595M Specification for Blended Hydraulic CementsC778 Specification for Standard SandC1157C1157/C1157M Performance Specification for Hydraulic Cement1 This test method is under the
11、 jurisdiction of ASTM Committee C07 on Lime and Limestone and is the direct responsibility of Subcommittee C07.02 on Specificationsand Guidelines.Current edition approved June 1, 2011Oct. 1, 2018. Published August 2011November 2018. Originally approved in 2009. Last previous edition approved in 2010
12、2011 asC1707 10.C1707 11. DOI: 10.1520/C1707-11.10.1520/C1707-18.2 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 webs
13、ite.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 previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior
14、 editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13. Terminology3.1 Definitions:3.1.1 Unless o
15、therwise specified, for definitions of terms used in this standard see Terminology C51.3.1.2 air entraining pozzolanic hydraulic lime (PHL-A), nas PHL with the exception that Type SA hydrated lime ofSpecification C207, or Type NA of Specification C207 shall be used if shown not detrimental to the so
16、undness of the material. IfType SA or Type NA hydrated limes are used, an additional air entraining agent shall not be used.3.1.3 air entraining pozzolanic hydraulic lime with hydraulic cement (PHLc-A), nas PHLc with exception that Type SAhydrated lime of Specification C207 shall be used, or Type NA
17、 of Specification C207 shall be used if shown not detrimental tothe soundness of the material. If Type SAor Type NAhydrated limes are used, an additional air entraining agent shall not be used.3.1.4 pozzolanic hydraulic lime (PHL), na powder produced by the blending or intergrinding of not less than
18、 25 % by binderweight of Specification C207 Type S hydrated lime with one or more pozzolan and inert filler. Type N hydrated lime ofSpecification C207 shall be used if shown not detrimental to the soundness of the material.3.1.5 pozzolanic hydraulic lime with hydraulic cement (PHLc), nas PHL with no
19、t more than 20 % by binder weight ofhydraulic cement of Specification C150C150/C150M, Specification C595C595/C595M, or Performance SpecificationC1157C1157/C1157M blended or interground.4. Requirements4.1 PHL, PHLc PHL-A and PHLc-A shall conform to the requirements prescribed in Table 1.NOTE 1Minimum
20、 compressive strength values above the value in Table 1 may be specified if desired.5. Test Methods5.1 Water Soluble AlkaliWater soluble alkali shall be tested according to the procedure in Test Methods C114, Sectionpara-graph 17.2.5.2 SO3Sulfur trioxide content shall be tested according to the proc
21、edure of Test Methods C25, Section 23.5.3 CO2Carbon dioxide content shall be tested according to the procedure of Test Methods C25, Section 22.5.4 FinenessFineness shall be tested according to the wet sieve method of Test Methods C110, Section 5.5.5 Time of SetDetermine the time of initial and final
22、 set according to Test Method C266, the Gilmore needle procedure, withthe following changes:5.5.1 Determine the first penetration value after 1 h of rest, and every 4 6 2 h after that.5.6 Autoclave ExpansionAutoclave Expansion shall be measured using the method described in Test Methods C110, Sectio
23、n9.3, with the following modification:5.6.1 Weigh 25 6 0.1 g of one of four types of PHL. Add 3.0 6 1.0 ml water to the weighed sample and mix by hand untilwetted.wette. If the balance allows it, work directly in the specimen mold. If this is not possible, work in an intermediate containerand transf
24、er the mixture to the specimen mold in as complete a state as possible. Press to 5.0 6 1.5 N/m2 (725 6 218 psi) for10 s for 10 s and demold the specimen and autoclave as described.5.7 Preparation of MortarMortar, plasters and grout are specified by volume proportion of the binder materials to theagg
25、regate in a ratio of 1 volume part binder to 3 volume part aggregate or sand. Laboratory mixed mortars used for air entrainment,water retention and compressive strength testing for this specification shall be measured by weight by converting proportions byvolume to proportion by weight.TABLE 1 Stand
26、ard RequirementsProperties PHL, PHLc PHL-A, PHLc-Awater soluble alkali, max % 0.2 0.2Water soluble alkali, max % 0.2 0.2SO3, max % 3.0 3.0CO2, max % (as produced basis) 16.0 16.0Finenessretained on 30 mesh sieve, max % 7.0Water retention, min % 70 70Compressive strength min,N/m2 (psi), 28 days2.4 (3
27、50) 2.4 (350)Compressive strength min,N/m2, 28 days2.4 2.4C1707 182NOTE 2Appendix X4 of Specification C270 provides examples of calculating material proportioning.Batch factor5 14408033sand volume proportion! 56 (1)Determine weight one of the four PHL as follows:Weight of PHL g! 51PHL Volume Proport
28、ion! 3Bulk Density Packed Density! of PHL3Batch Factor (2)Bulk density of PHLwill vary and shall be provided by the manufacturer or determined according to Test Methods C110 Section20.Sand will be a 50-50 blend of graded and 20-30 standard sand meeting Specification C778.5.8 Air ContentAir content s
29、hall be measured according to the procedure of:5.8.1 Test Methods C110, Section 8. W1, W2, S1, and S2 are dropped from the equation to be replaced by W4 (weight of oneof four PHL, g) and S4 (specific gravity of one of four PHL). The specific gravity of the PHLshall be provided by the manufactureras
30、determined by the method of Test Methods C110, Section 21, or determined by a gas pychnometer.NOTE 3The specific gravity of the four types of PHL will vary with composition and a single value cannot be recommended.5.8.2 Test Methods C110, Section 8.4.3, using the air pail method.5.9 Water RetentionT
31、he water retention value shall be measured following Test Methods C110, Section 7.5.10 Compressive StrengthPrepare the mortar in accordance with Practice C305 with the exception that the binder and waterare initially placed in the mixing bowl together and allowed to wet for 112 min prior to mixing.
32、Store the mortar in the molds for60 6 12 h in sealed plastic bags prior to de-molding. Determine compressive strength in accordance with Test MethodC109/C109M. A minimum of three 2-in. cubes is required.5.11 Specimen StorageTest specimens shall be stored at not less than 95 % R.H. in a moist room or
33、 cabinet following therequirements of Specification C511. The storage surface shall be in equilibrium with the space to ensure no moisture loss.6. Sampling and Inspection6.1 The sampling, rejection, retesting, packing, and marking shall be conducted in accordance with Practice C50C50/C50M.7. Special
34、 Package Marking7.1 When delivered in packages, the name and brand of the manufacturer, the type under this specification, and the words “AIRENTRAINING” shall be plainly indicated on the package or in the case of bulk shipments, so indicated on shipping notices.7.2 The minimum compressive strength v
35、alues shall be plainly indicated on the package or in the case of bulk shipments, soindicated on shipping notices.8. Keywords8.1 hydrated lime; mortar; plaster grout; pozzolan; pozzolanic hydraulic limeASTM International takes no position respecting the validity of any patent rights asserted in conn
36、ection 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 respons
37、ible 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 co
38、nsideration 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 the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100
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