Guidelines for Design and Construction of Pozzolanic Stabilized Base Course Mixturesby Robert Collins, R. J. Collins & Assoc, Springfield, PA, USA,
Joseph Pound, R. J. Collins & Assoc, Springfield, PA, USA,
Marshall Thompson, R. J. Collins & Assoc, Springfield, PA, USA,
Samuel Tyson, R. J. Collins & Assoc, Springfield, PA, USA,
Abstract: The American Coal Ash Association (ACAA) has developed a manual of recommended practice which contains guidelines for the design and construction of pozzolanic stabilized base course mixtures using fly ash. This paper is a synopsis of the most pertinent and crucial information contained in the ACAA manual of recommended practice. The document is comprehensive and addresses various characteristics and design considerations associated with using fly ashes from bituminous, subituminous, or lignite coals. Engineering properties and acceptance criteria are given for base course compositions containing various reactants and different types of aggregate. A description of laboratory mix design procedures is also presented in the manual. Two basic pavement thickness design approaches are described.
Subject Headings: Fly ash | Base course | Pavement design | Mixtures | Wastes | Coal | Construction management | Recycling
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