Chapter
Aug 11, 2016
Centrifugal Modeling of Reinforced Soil Retaining Walls Considering Staged Construction
Authors: Hoe I. Ling, Lei Xu, Dov Leshchinsky, James G. Collin, and Pietro RimoldiAuthor Affiliations
Publication: Geosynthetics, Forging a Path to Bona Fide Engineering Materials
Abstract
Several reinforced soil retaining walls of height 15.3 m were modeled in the Columbia University centrifuge under an acceleration field of 50-g. Nevada sand was used as backfill material and gabion blocks were used as wall facing to replicate the wire mesh system. A fiber glass mesh of length 35 cm was used to model the reinforcement layers having prototype length of 17.5 m. Two basic cases with different reinforcement layouts were tested, with vertical reinforcement spacings of 2 cm and 4 cm (prototype spacings of 1 m and 2 m), respectively. The retaining wall model was constructed in 4 stages. The models were prepared under 1-g, but were spun to 50-g after each wall height increment. The results obtained from staged construction compared favorably to the field measurements.
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Information
Published In
Geosynthetics, Forging a Path to Bona Fide Engineering Materials
Pages: 95 - 105
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Aug 11, 2016
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ASCE Technical Topics:
- Centrifuge models
- Centrifuges
- Colleges and universities
- Construction engineering
- Construction equipment
- Construction management
- Education
- Engineering fundamentals
- Engineering materials (by type)
- Equipment and machinery
- Geomechanics
- Geotechnical engineering
- Materials engineering
- Methodology (by type)
- Models (by type)
- Practice and Profession
- Retaining structures
- Sand (material)
- Soil dynamics
- Soil mechanics
- Soil stabilization
- Spacing
Authors
Affiliations
Hoe I. Ling
Dept. of Civil Engineering and Engineering Mechanics, Columbia Univ., 500 West 120th St., New York, NY 10027.
Lei Xu
Dept. of Civil Engineering and Engineering Mechanics, Columbia Univ., 500 West 120th St., New York, NY 10027.
Dov Leshchinsky
ADAMA Engineering, Inc., P.O. Box 90217, Portland, OR 97290.
James G. Collin
The Collin Group, Inc., 7445 Arlington Rd., Bethesda, MD 20814.
Pietro Rimoldi
World Tech Engineering, Milano, Italy.
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