AASHTO TF28-1

Guidelines and Guide Specifications for Using Pozzolanic Stabilized Mixture (Base Course or Subbase) and Fly Ash for In-Place Subgrade Soil Modifications American Association of State and Highway Transportation Officials / 01-Jan-1990 / 56 pages

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Contains the following subsections: Guidelines for Usage of Pozzolanic Stabilized Mixture (PSM) Base Course or Subbase, Guide Specification for Pozzolanic Stabilized Mixture (PSM) Base Course or Subbase, Guidelines for Use of Fly Ash for In-Place Subgrade Soil Modification, and General Contract Specifications for Acceptance of Fly Ash by a State Highway Agency.