1、Designation: C 1707 09Standard Specification forSpecification for Pozzolanic Hydraulic Lime for StructuralPurposes1This standard is issued under the fixed designation C 1707; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、 of last revision. 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,sc
3、ratch, brown, and finish (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 P
4、HLc-AAir-entrained 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 m
5、athematicalconversions 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 us
6、er of this standard 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, Samp
7、le Preparation, Packag-ing, and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone (as usedby the Industry)C 109/C 109M Test Method for Compressive Strength ofHydraulic Cement Mortars (Using 2-in. or 50-mm CubeSpecimens)C110 Test Methods for Physical Testing of Quic
8、klime,Hydrated Lime, and LimestoneC114 Test Methods for Chemical Analysis of HydraulicCementC 150 Specification for Portland CementC 207 Specification for Hydrated Lime for Masonry Pur-posesC 266 Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore NeedlesC 270 Specification for Mor
9、tar for Unit MasonryC 305 Practice 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 ConcretesC 595 Specification for Blended Hydraulic
10、 CementsC 778 Specification for Standard SandC 1157 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
11、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 C 207, or Type NA of Specification C 207 shall1This test method is under the jurisdiction of ASTM Committee C07 on Limeand is the direct responsib
12、ility of Subcommittee C07.02 on Specifications andGuidelines.Current edition approved March 1, 2009. Published March 2009.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, ref
13、er 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.be used if shown not detrimental to the soundness of thematerial. If Type SA or Type NA hydrated limes are used, anadditiona
14、l air entraining agent 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 C 207 shall be used, or Type NAof Specification C 207 shall be used if shown not detrimental tothe soundness of t
15、he material. If Type 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 C 207 Type S hydrated limewith one or more
16、 pozzolan and inert filler. Type N hydratedlime of Specification C 207 shall be used if shown notdetrimental to the 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 Specification C 150, Speci
17、ficationC 595, or Performance Specification C 1157 blended or inter-ground.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 Methods C114,Se
18、ction 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 method of Test Me
19、thods C110, Section 5.5.5 Time of SetDetermine the time of initial and final setaccording to Test Method C 266, the Gilmore needle proce-dure, 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 Expansion
20、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 mold. If t
21、his 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 arespecified by
22、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-ing proporti
23、ons by volume to proportion by weight.NOTE 1Appendix X4 of Specification C 270 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 Density Packed
24、 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 C 778.5.8 Air ContentAir content shall be measured accordi
25、ngto 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 method of Tes
26、t 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 bemeasured
27、 following Test Methods C110, Section 7.5.10 Compressive StrengthPrepare the mortar in accor-dance with Practice C 305 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 60 6 12
28、h in sealed plastic bags prior tode-molding. Determine compressive strength in accordancewith Test Method C 109/C 109M. 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 Spec
29、ification C511. The storage surfaceshall be in equilibrium with the space to ensure no moistureloss.TABLE 1 Standard RequirementsProperties PHL, PHLcPHL-A, PHLc-Awater 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 % 7.0W
30、ater retention, min % 70 70Compressive strength min,N/m2(psi), 28 days2.4 (350) 2.4 (350)C17070926. 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, the name
31、 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.8. Keywords8.1 hydrated lime; mortar; plaster grout; pozzolan; poz-zolanic hydraulic limeASTM I
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