Chapter
Apr 26, 2012
Multi-Directional Seismic Responses of Hybrid Tee Walls
Authors: Nien-Yin Chang, Trever Wang, and Otgontulga SuiidimananAuthor Affiliations
Publication: Geotechnical Engineering for Transportation Projects
Abstract
Seismic response analyses were performed on 10- and 20-m hybrid cantilever retaining walls (HTW) with RC cantilever stem and mechanically stabilized earth (MSE). Geogrid is used as the reinforcement and is either attached or detached to the RC wall. The analysis uses the Imperial Valley Earthquake ground motion and its scaled motions to examine the effect of severity of earthquake-induced ground shaking on HTW seismic responses. Wall height, ground motion intensity, multi-directional shaking, and inclusion connection conditions were found to significantly affect the wall displacement and rotation, inclusion stresses, earth pressures, and bearing pressure of HTW. The earth pressure with multi-directional shaking differs from the AASHTO's Mononobe-Okabe (M-O) prediction.
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Copyright
© 2004 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Concrete
- Earthquake engineering
- Earthquakes
- Engineering fundamentals
- Engineering materials (by type)
- Geohazards
- Geotechnical engineering
- Geotechnical investigation
- Ground motion
- Hybrid methods
- Materials engineering
- Methodology (by type)
- Reinforced concrete
- Retaining structures
- Seismic effects
- Seismic tests
- Structural engineering
- Structural members
- Structural systems
- Tests (by type)
- Walls
Authors
Affiliations
Nien-Yin Chang
Professor of Civil Engineering, University of Colorado at Denver, Campus Box 113, P. O. Box 173364, Denver, CO 80217-33164
Trever Wang
Senior Bridge Engineer, Colorado DOT, 4201 E. Arkansas Ave., Denver, CO 80222
Otgontulga Suiidimanan
Graduate student, Dept. of Civil Engineering, University of Colorado at Denver, Denver, CO 80217-3364
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