DESIGN AND PERFORMANCE OF A REINFORCED EMBANKMENT FOR MOHICANVILLE DIKE NO. 2 IN OHIO

Mohicanville Dike No. 2 is a rim dike on the Mohicanville Reservoir in Wayne County, Ohio. Constructed on a weak peat and clay foundation, the dike failed during construction and was 22 ft below its design height of 28 ft. Of a number of alternatives considered for raising the dike to its design height, construction of a reinforced embankment afforded the best combination of cost and reliability. Finite element and conventional limit equilibrium analyses were conducted to determine the reinforcing required for stability of the embankment. To achieve the factor of safety required for design, a reinforcing force of 30,000 lb/ft was required. A heavy steel mat was selected for the reinforcing material. (Although the steel reinforcement will probably corrode in time, it is only needed for the first few years of the embankment's life; after the foundation gains strength through consolidation, the reinforcement will no longer be required for stability.) The embankment was instrumented to measure reinforcement forces, settlements, horizontal movements, and pore pressures. Instrumentation studies have shown that the performance of the embankment is fully acceptable and that finite element and slope stability analyses provide an effective means for designing reinforced embankments and for anticipating their performance.

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• Record URL:
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• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Mechanics of Earth Masses and Layered Systems .Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
• Authors:
  • Duncan, J M
  • Schaefer, V R
  • Franks, L W
  • Collins, S A
• Publication Date: 1987

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 15-25
• Monograph Title: Reinforced layered systems
• Serial:
  • Transportation Research Record
  • Issue Number: 1153
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Clay; Design; Dikes; Dislocation (Geology); Embankments; Finite element method; Foundations; Material reinforcement; Measurement; Peat; Performance; Pore pressure; Safety factors; Settlement (Structures); Slope stability; Stability (Mechanics); Ultimate load design
• Geographic Terms: Ohio
• Old TRIS Terms: Embankment stability; Foundation conditions; Horizontal displacement
• Subject Areas: Design; Geotechnology; Highways; Marine Transportation; Safety and Human Factors;

Filing Info

• Accession Number: 00475968
• Record Type: Publication
• ISBN: 0309046602
• Files: TRIS, TRB
• Created Date: Sep 30 1989 12:00AM