1、Designation: C1707 10Standard Specification forPozzolanic Hydraulic Lime for Structural Purposes1This 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 revision.
2、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 hydrauliclime for structural purposes which include use in mortar,scratch, brown, and f
3、inish (stucco) coats of interior or exteriorplaster.1.1.1 PHLPozzolanic hydraulic lime for use in mortar,scratch, brown, and finish (stucco) coats of interior or exteriorplaster.1.1.2 PHLcPHL with a maximum 20 % binder weight ofhydraulic cement.1.1.3 PHL-AAir-entrained PHL.1.1.4 PHLc-AAir-entrained
4、PHLc.1.2 This specification classifies pozzolanic hydraulic limeby minimum hydrated lime content, maximum hydraulic ce-ment content, and specific performance requirements.1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversi
5、ons to SI units that are provided for information onlyand are not considered standard.Appropriate conversion can bedone using IEEE/ASTM SI 10.1.4 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
6、 to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C25 Test Methods for Chemical Analysis of Limestone,Quicklime, and Hydrated LimeC50 Practice for Sampling, Sample Preparation, Pac
7、kaging,and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone (as usedby the Industry)C109/C109M Test Method for Compressive Strength ofHydraulic Cement Mortars (Using 2-in. or 50-mm CubeSpecimens)C110 Test Methods for Physical Testing of Quicklime,Hydrated Lime, an
8、d LimestoneC114 Test Methods for Chemical Analysis of HydraulicCementC150 Specification for Portland CementC207 Specification for Hydrated Lime for Masonry Pur-posesC266 Test Method for Time of Setting of Hydraulic-CementPaste by Gillmore NeedlesC270 Specification for Mortar for Unit MasonryC305 Pra
9、ctice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC511 Specification for Mixing Rooms, Moist Cabinets,Moist Rooms, and Water Storage Tanks Used in theTesting of Hydraulic Cements and ConcretesC595 Specification for Blended Hydraulic CementsC778 Specification for
10、 SandC1157 Performance Specification for Hydraulic CementIEEE/ASTM SI 10 Standard for use of the InternationalSystem of Units (SI): (the Modern Metric System)3. Terminology3.1 Definitions:3.1.1 Unless otherwise specified, for definitions of termsused in this standard see Terminology C51.3.1.2 air en
11、training pozzolanic hydraulic lime (PHL-A),nas PHL with the exception that Type SA hydrated lime ofSpecification C207, or Type NA of Specification C207 shall beused if shown not detrimental to the soundness of the material.If Type SA or Type NA hydrated limes are used, an additionalair entraining ag
12、ent shall not be used.3.1.3 air entraining pozzolanic hydraulic lime with hydrau-lic cement (PHLc-A), nas PHLcwith exception that Type SAhydrated lime of Specification C207 shall be used, or Type NAof Specification C207 shall be used if shown not detrimental tothe soundness of the material. If Type
13、SA or Type NA hydratedlimes are used, an additional air entraining agent shall not beused.3.1.4 pozzolanic hydraulic lime (PHL), na powder pro-duced by the blending or intergrinding of not less than 25 % bybinder weight of Specification C207 Type S hydrated lime with1This test method is under the ju
14、risdiction of ASTM Committee C07 on Limeand is the direct responsibility of Subcommittee C07.02 on Specifications andGuidelines.Current edition approved Dec. 15, 2010. Published January 2011. Originallyapproved in 2009 as C170709. DOI: 10.1520/C1707-10.2For referenced ASTM standards, visit the ASTM
15、website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards 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
16、States.one or more pozzolan and inert filler. Type N hydrated lime ofSpecification C207 shall be used if shown not detrimental tothe soundness of the material.3.1.5 pozzolanic hydraulic lime with hydraulic cement(PHLc), nas PHL with not more than 20 % by binder weightof hydraulic cement of Specifica
17、tion C150, Specification C595,or Performance Specification C1157 blended or interground.4. Requirements4.1 PHL, PHLcPHL-A and PHLc-A shall conform to therequirements prescribed in Table 1.5. Test Methods5.1 Water Soluble AlkaliWater soluble alkali shall betested according to the procedure in Test Me
18、thods C114,Section 17.2.5.2 SO3Sulfur trioxide content shall be tested accordingto the procedure of Test Methods C25, Section 23.5.3 CO2Carbon dioxide content shall be tested accordingto the procedure of Test Methods C25, Section 22.5.4 FinenessFineness shall be tested according to the wetsieve meth
19、od of Test Methods C110, Section 5.5.5 Time of SetDetermine the time of initial and final setaccording to Test Method C266, the Gilmore needle procedure,with the following changes:5.5.1 Determine the first penetration value after1hofrest,and every 4 6 2 h after that.5.6 Autoclave ExpansionAutoclave
20、Expansion shall bemeasured using the method described in Test Methods C110,Section 9.3, with the following modification:5.6.1 Weigh 25 6 0.1 g of one of four types of PHL. Add3.0 6 1.0 ml water to the weighed sample and mix by handuntil wetted. If the balance allows it, work directly in thespecimen
21、mold. If this is not possible, work in an intermediatecontainer and transfer the mixture to the specimen mold in ascomplete a state as possible. Press to 5.0 6 1.5 N/m2(725 6218 psi) for 10 s and demold the specimen and autoclave asdescribed.5.7 Preparation of MortarMortar, plasters and grout arespe
22、cified by volume proportion of the binder materials to theaggregate in a ratio of 1 volume part binder to 3 volume partaggregate or sand. Laboratory mixed mortars used for airentrainment, water retention and compressive strength testingfor this specification shall be measured by weight by convert-in
23、g proportions by volume to proportion by weight.NOTE 1Appendix X4 of Specification C270 provides examples ofcalculating material proportioning.Batch factor 5144080 3 3 sand volume proportion!5 6 (1)Determine weight one of the four PHL as follows:Weight of PHL g! 5 1PHL Volume Proportion!3 Bulk Densi
24、ty Packed Density! of PHL3 Batch Factor (2)Bulk density of PHL will vary and shall be provided by themanufacturer or determined according to Test Methods C110Section 20.Sand will be a 50-50 blend of graded and 20-30 standardsand meeting Specification C778.5.8 Air ContentAir content shall be measured
25、 accordingto the procedure of:5.8.1 Test Methods C110, Section 8. W1,W2,S1, and S2aredropped 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 PHL shall be provided by themanufacturer as determined by the metho
26、d of Test MethodsC110, Section 21, or determined by a gas pychnometer.NOTE 2The specific gravity of the four PHL will vary with compo-sition and a single value cannot be recommended.5.8.2 Test Methods C110, Section 8.4.3, using the air pailmethod.5.9 Water RetentionThe water retention value shall be
27、measured following Test Methods C110, Section 7.5.10 Compressive StrengthPrepare the mortar in accor-dance with Practice C305 with the exception that the binderand water are initially placed in the mixing bowl together andallowed to wet for 112 min prior to mixing. Store the mortar inthe molds for 6
28、0 6 12 h in sealed plastic bags prior tode-molding. Determine compressive strength in accordancewith Test Method C109/C109M. A minimum of three 2-in.cubes is required.5.11 Specimen StorageTest specimens shall be stored atnot less than 95 % R.H. in a moist room or cabinet followingthe requirements of
29、 Specification C511. The storage surfaceshall be in equilibrium with the space to ensure no moistureloss.6. Sampling and Inspection6.1 The sampling, rejection, retesting, packing, and markingshall be conducted in accordance with Practice C50.7. Special Package Marking7.1 When delivered in packages,
30、the name and brand of themanufacturer, the type under this specification, and the words“AIR ENTRAINING” shall be plainly indicated on the pack-age or in the case of bulk shipments, so indicated on shippingnotices.TABLE 1 Standard RequirementsProperties PHL, PHLcPHL-A, PHLc-Awater soluble alkali, max
31、 % 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 (350) 2.4 (350)C1707 1027.2 The minimum compressive strength values shall beplainly indicated on the package or i
32、n the case of bulkshipments, so indicated on shipping notices.8. Keywords8.1 hydrated lime; mortar; plaster grout; pozzolan; poz-zolanic hydraulic limeASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Use
33、rs 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
34、 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 technic
35、al 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 Barr Harbor Drive, PO Box C700, West Conshohocken
36、, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).C1707 103
