ASTM C1707-2011 Standard Specification for Pozzolanic Hydraulic Lime for Structural Purposes《建筑用火山灰水硬石灰的标准规范》.pdf

1、Designation: C1707 11Standard 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 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility

5、 of the user 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 Samp

6、ling, Sample Preparation, Packaging,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 o

7、f Quicklime,Hydrated Lime, and 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 Mo

8、rtar for Unit MasonryC305 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 ConcretesC595 Specification for Blended Hydraulic

9、CementsC778 Specification for SandC1157 Performance Specification for Hydraulic Cement3. Terminology3.1 Definitions:3.1.1 Unless otherwise specified, for definitions of termsused in this standard see Terminology C51.3.1.2 air entraining pozzolanic hydraulic lime (PHL-A),nas PHL with the exception th

10、at 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 agent shall not be used.3.1.3 air entraining pozzolanic hydraulic lime wit

11、h 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 SA or Type NA hydratedlimes are used, an additional air entraining agent

12、 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 withone or more pozzolan and inert filler. Type N hydrated lime ofSpecification C207 shall be used if shown n

13、ot detrimental tothe soundness of the material.1This test method is under the jurisdiction of ASTM Committee C07 on Limeand is the direct responsibility of Subcommittee C07.02 on Specifications andGuidelines.Current edition approved June 1, 2011. Published August 2011. Originallyapproved in 2009. La

14、st previous edition approved in 2010 as C170710. DOI:10.1520/C1707-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM

15、 website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.5 pozzolanic hydraulic lime with hydraulic cement(PHLc), nas PHL with not more than 20 % by binder weightof hydraulic cement of Specification C150, Specification C595,or Pe

16、rformance Specification C1157 blended or interground.4. Requirements4.1 PHL, PHLcPHL-A and PHLc-A shall conform to therequirements prescribed in Table 1.NOTE 1Minimum compressive strength values above the value inTable 1 may be specified if desired.5. Test Methods5.1 Water Soluble AlkaliWater solubl

17、e alkali shall betested according to the procedure in Test Methods 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 Fi

18、nenessFineness shall be tested according to the wetsieve method 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,a

19、nd every 4 6 2 h after that.5.6 Autoclave ExpansionAutoclave 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 we

20、tted. If the balance allows it, work directly in thespecimen 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 asdescrib

21、ed.5.7 Preparation of MortarMortar, plasters and grout arespecified 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

22、 this specification shall be measured by weight by convert-ing proportions by volume to proportion by weight.NOTE 2Appendix 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 f

23、ollows:Weight of PHL g! 5 1PHL Volume Proportion!3 Bulk Density 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 Sp

24、ecification C778.5.8 Air ContentAir content shall be measured 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 sh

25、all be provided by themanufacturer as determined by the method of Test MethodsC110, Section 21, or determined by a gas pychnometer.NOTE 3The 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 pai

26、lmethod.5.9 Water RetentionThe water retention value shall bemeasured 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 fo

27、r 112 min prior to mixing. Store the mortar inthe molds for 60 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 %

28、 R.H. in a moist room or cabinet followingthe requirements of 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 C

29、50.7. Special Package Marking7.1 When delivered in packages, 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 Requireme

30、ntsProperties 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 % 7.0Water retention, min % 70 70Compressive strength min,N/m2(psi), 28 days2.4 (350) 2.4 (350)C1707 1127.2 The minimum compressive

31、strength values shall beplainly indicated on the package or in the case of bulkshipments, so indicated on shipping notices.8. Keywords8.1 hydrated lime; mortar; plaster grout; pozzolan; pozzo-lanic hydraulic limeASTM International takes no position respecting the validity of any patent rights assert

32、ed 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 t

33、he 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

34、 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 the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM Interna

35、tional, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, 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 113