Chapter
Jun 20, 2012
Limit Equilibrium and Deformation Analyses of a Geogrid-Reinforced Embankment
Authors: Young Jin Park, Mohammed A. Gabr, Roy H. Borden, Kyung Jun Kim, and Christopher A. KreiderAuthor Affiliations
Publication: Geosynthetics in Reinforcement and Hydraulic Applications
Abstract
Limit equilibrium analyses and 2-dimensional numerical simulations are performed to estimate the performance of a geosynthetic-reinforced embankment supporting a bridge abutment. Geogrid reinforcement was evaluated as a means of improving the stability of the embankment slope and reducing deformation under design loads. Results indicated a reduction in total and differential deformation due to the inclusion of reinforcement. The deformation of the embankment slope was correlated to the global factor of safety. Vertical and lateral movements for the reinforced case were computed to be 65% and 78%, respectively, of those of the unreinforced embankment case. The load carrying capacity of the reinforced embankment was estimated to be 5 times larger than the unreinforced case while providing the same limit equilibrium factor of safety.
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Copyright
© 2007 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
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ASCE Technical Topics:
- Bridge abutments
- Bridge components
- Bridge engineering
- Continuum mechanics
- Deformation (mechanics)
- Design (by type)
- Engineering fundamentals
- Engineering mechanics
- Equilibrium
- Geogrids
- Geomaterials
- Geomechanics
- Geosynthetics
- Geotechnical engineering
- Limit equilibrium
- Load factors
- Models (by type)
- Numerical models
- Soil dynamics
- Soil mechanics
- Soil stabilization
- Solid mechanics
- Statics (mechanics)
- Structural design
- Structural engineering
- Structural mechanics
Authors
Affiliations
Young Jin Park
Department of Civil, Construction and Environmental Engineering, North Carolina State University (NCSU), Raleigh, NC 27695-7908
Mohammed A. Gabr
Department of Civil, Construction and Environmental Engineering, North Carolina State University (NCSU), Raleigh, NC 27695-7908
Roy H. Borden
Department of Civil, Construction and Environmental Engineering, North Carolina State University (NCSU), Raleigh, NC 27695-7908
Kyung Jun Kim
North Carolina Department of Transportation (NCDOT), Raleigh, NC
Christopher A. Kreider
North Carolina Department of Transportation (NCDOT), Raleigh, NC
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