ASTM C1489-2001(2008)e1 Standard Specification for Lime Putty for Structural Purposes《结构用石灰膏标准规范》.pdf
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1、Designation: C 1489 01 (Reapproved 2008)1Standard Specification forLime Putty for Structural Purposes1This standard is issued under the fixed designation C 1489; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTEA units statement was added editorially as new subsection 1.2 in September 2008.1. Scope1.1 This specification covers lime putty produ
3、cts made fromhydrated lime or quicklime products. Lime putty is suitable foruse in masonry, plaster and stucco applications.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of
4、 thesafety concerns, if any, associated with its use. It is theresponsibility 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:2C 5 Specification for Qu
5、icklime for Structural PurposesC25 Test Methods for Chemical Analysis of Limestone,Quicklime, and Hydrated LimeC50 Practice for Sampling, Sample Preparation, Packag-ing, and Marking of Lime and Limestone ProductsC51 Terminology Relating to Lime and Limestone (as usedby the Industry)C110 Test Methods
6、 for Physical Testing of Quicklime,Hydrated Lime, and LimestoneC 185 Test Method for Air Content of Hydraulic CementMortarC 206 Specification for Finishing Hydrated LimeC 207 Specification for Hydrated Lime for Masonry Pur-poses3. Terminology3.1 Definitions:3.1.1 lime puttythe product obtained by ei
7、ther slakingquicklime with water according to the direction of the manu-facturer or by mixing hydrated lime and water to the desiredconsistency.3.1.2 Unless otherwise specified, for definitions of termsused in this standard, refer to Terminology C51.4. Chemical Composition4.1 The hydrated lime or qu
8、icklime products used to makelime putty shall conform to the following chemical composi-tion requirements:Calcium and magnesium oxides (non volatile basis) 92 % min.Carbon dioxide (presoaked basis)If sample is taken at place of manufacture 5 % max.If sample is taken at other place 7 % max.4.2 Chemic
9、al composition of putty product of unknowncomposition must be determined by drying the sample in a CO2free atmosphere by a method such as Test Methods C25,Section 21, (Free Moisture in Hydrated Lime).5. Plasticity5.1 Lime putty shall have a plasticity of not less than 200Emley units when tested by t
10、he Emley method prescribed inTest Methods C110. Vicat consistency of the putty should beadjusted to a penetration of 20 6 5 mm prior to running theEmley test. If penetration results are above 25 mm, theconsistency of the putty can be increased by allowing the puttyto settle and decanting off the exc
11、ess water or by the use of asuction pad such as the one used for the water retention test inTest Methods C110. If the penetration is below 15 mm, watershould be added to the lime putty to increase the penetration.When water is added to the putty, the putty should be mixed fora minimum of 15 s prior
12、to testing the penetration.6. Residue6.1 Residue of lime putty shall not be more than 0.5 % on a30 mesh sieve on a total putty weight basis. The residue of limeputty should be determined by the method in Test MethodsC110, Section 5, using an amount of lime putty equivalent toapproximately 100 g of s
13、olids.1This specification 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, 2008. Published September 2008. Originallyapproved in 2001. Last previous edition approved in 2001
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