Standard Specification for Hydrated Lime for Use in Asphalt Cement or Bituminous Pavements

SCOPE
1.1 This specification covers high calcium, dolomitic and magnesian-hydrated lime for use in asphalt cement or bituminous pavement.Note 1
Hydrated lime, either calcitic, dolomitic, or magnesian, improves bonding of bitumen and aggregates which reduces susceptibility to moisture damage, reduces age hardening by chemically stabilizing polar compounds found in asphalts, and increases initial stiffness of asphalt mixtures.Note 2
No attempt is made to present requirements for any by-product lime.
This standard does not purport to address the safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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31-May-2006
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ASTM C1097-06 - Standard Specification for Hydrated Lime for Use in Asphalt Cement or Bituminous Pavements
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 1097 – 06
Standard Specification for
Hydrated Lime for Use in Asphalt Cement or Bituminous
1
Pavements
This standard is issued under the fixed designation C 1097; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope D8 Terminology Relating to Materials for Roads and Pave-
ments
1.1 This specification covers high calcium, dolomitic and
magnesian-hydrated lime for use in asphalt cement or bitumi-
3. Chemical Requirements
nous pavement.
3.1 For definitions of terms used in this specification, refer
NOTE 1—Hydrated lime, either calcitic, dolomitic, or magnesian, im-
to TerminologyC51 or TerminologyD8.
proves bonding of bitumen and aggregates which reduces susceptibility to
3.2 Hydrated lime for use in bituminous paving mixtures
moisture damage, reduces age hardening by chemically stabilizing polar
shall conform to the following chemical composition:
compounds found in asphalts, and increases initial stiffness of asphalt
Calcium and Magnesium Oxides (on an LOI-free basis, 90.0
mixtures.
minimum % )
NOTE 2—No attempt is made to present requirements for any by-
Carbon Dioxide (taken at point of manufacture, 5.0
product lime.
maximum % )
Unhydrated Calcium and Magnesium Oxides (maximum% ) 5.0
1.2 This standard does not purport to address the safety
Free Moisture of Dry Hydrates (taken at point of manufac- 2.0
concerns associated with its use. It is the responsibility of the
ture, maximum %)
user of this standard to establish appropriate safety and health
4. Physical Requirements
practices and determine the applicability of regulatory limita-
tions prior to use.
4.1 Hydrated lime, either dry or slurry form, shall not have
more than 3.0 % retained on a No. 30 (590 microns) sieve and
2. Referenced Documents
not more than 30 % retained on a No. 200 (74 microns) sieve.
2
2.1 ASTM Standards:
5. Test Method
C25 Test Methods for Chemical Analysis of Limestone,
Quicklime, and Hydrated Lime
5.1 The chemical analysis of the hydrated lime shall be
C50 Practice for Sampling, Sample Preparation, Packag-
determined in accordance with Test MethodsC25.
ing, and Marking of Lime and Limestone Products
5.2 The fineness of hydrated lime shall be determined in
C51 Terminology Relating to Lime
...

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