Standard Specification for
Lime for Soil Stabilization
AASHTO Designation: M 216-05
SCOPE
This specification pertains to quicklime and hydrated lime, either high calcium, dolomitic, or magnesian lime,
for use in stabilization of soils. (See Note 2.)
Note 1-Quicklime and hydrated lime act upon clay soils and may render such soils suitable for highway construction and for other load-bearing applications.
In most cases, lime causes finely divided clay particles to agglomerate into coarser particles which improves load-bearing properties and subsequently the lime-treated soil hardens by chemical reaction.
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