Field Density, Gradation, and Triaxial Testing of Large-Size Rockfill for Little Blue Run Dam

GR Thiers; TD Donovan

doi:10.1520/STP28760S

SYMPOSIA PAPER Published: 01 January 1981

STP28760S

Field Density, Gradation, and Triaxial Testing of Large-Size Rockfill for Little Blue Run Dam

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The results of field density and gradation tests involving large-size compacted rockfill (sedimentary rocks) were used to establish gradation and compaction requirements for large-size (38-cm-diameter) and conventional (15-cm-diameter) triaxial tests. The gradation requirements were that the gradation curves for triaxial test materials should be parallel to the corresponding field gradiation curve, except for minor modifications to avoid excessive inclusion of fines. The angle of internal friction decreased as maximum particle size increased, in a manner similar to that reported by others. Extrapolation was used to check the φ-values used in design.

Author Information

Thiers, GR

Consultants, Inc., Monroeville, Pa.

Donovan, TD

Consultants, Inc., Monroeville, Pa.

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Details

Developed by Committee: D18

Pages: 315–325

DOI: 10.1520/STP28760S

ISBN-EB: 978-0-8031-4806-2

ISBN-13: 978-0-8031-0789-2

Field Density, Gradation, and Triaxial Testing of Large-Size Rockfill for Little Blue Run Dam

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