Fly ash design manual for road and site applications. Volume 2: Slurried placement

Technical Report · Wed Oct 01 04:00:00 EDT 1986

OSTI ID:7153832

McLaren, R J; Balsamo, N J

This report was produced as part of EPRI Research Project 2422. The goal of this project is to significantly increase the use of fly ash in all high volume uses and to increase its use in medium and high technology applications as well. This report is a utilization manual describing the design of various types of projects where fly ash has been used as a substitute for other common materials in high volume uses. High volume uses of fly ash are typified by structural and non-structural fills for site development, embankments for highways and railroads, backfills, highway subgrade improvement projects and base courses, grouting of subsurface voids, and other similar applications. This report is an integral part of the overall project and has been developed as a design manual pertaining to the use of fly ash as a construction material in these high volume uses. The manual is divided into two volumes. Volume 1 describes the use of fly ash conditioned with small amounts of water to produce a solid, soil-like material. This volume describes the use of fly ash mixed with sufficient water to create a fluid or semi-fluid material. In many applications, Portland cement and aggregate filler are also added to the mixture. The flowable nature of these materials determines the manner in which they are handled, placed, and used in construction. The following uses are discussed: Slurry Backfills, Grouting, and Hydraulic Fills. Miscellaneous uses are also discussed, including the use of fly ash in high fly ash concrete, unsintered synthetic aggregate, and slurry walls. Also included are three appendices containing additional information of interest to the designer: Mix Design, Laboratory Testing, and Bibliography. 19 refs., 53 figs., 12 tabs.

• Research Organization: GAI Consultants, Inc., Monroeville, PA (USA)
• OSTI ID: 7153832
• Report Number(s): EPRI-CS-4419-Vol.2; ON: TI87920074
• Country of Publication: United States
• Language: English

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BACKFILLING
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FILLERS
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MIXING
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SUSPENSIONS
THERMAL POWER PLANTS
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