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Alternate methods of supplying the Oregon coast with construction aggregates

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https://ir.library.oregonstate.edu/concern/administrative_report_or_publications/wp988k804

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  • Impending shortages of high-quality aggregates in areas along the Oregon coast have forced users to search for new sources of supply. A number of feasible methods exist for supplying the affected areas. Three of these alternatives are: (1) importation, either by truck, rail, or barge; (2) the use of good-quality dredged rock; or (3) the use of abundant supplies of low­-quality or marginal aggregates, including low-quality dredged materials com­bined with admixtures to improve performance. This report evaluates these alternatives in terms of energy, economics, and environmental consequences. Advantages and disadvantages of each method and cost comparisons are included as an aid to planning and decision making.
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