Chapter 5
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Publication: User's Manual for GeogridBridge 3.0: A Guide to the Load Displacement Compatibility Method (LDC) for Design of Column-Supported Embankments
Abstract
The tension and strain in the combined reinforcement layers across the spans are defined in the Reinforcement section. In general, tension should be lower than the allowable tensile strength of the geosynthetic. A lower SRR means that there is less load felt by the foundation soil. The critical height is defined at the vertical distance from the base of the embankment to the top of the zone of arching. The neutral plane is the depth at which the column and the surrounding soil settle at the same rate. Above the neutral plane, the soils settles more than the columns. The maximum differential settlement at the base of the embankment is defined as the difference between the settlement between the location in a unit cell that is farthest away from an edge of a column or pile cap and the settlement at the column top.
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References
Filz, G. M., J. A. Sloan, M. P. McGuire, M. Smith, et al. 2019. “Settlement and vertical load transfer in column-supported embankments.” J. Geotech. Geoenviron. Eng. 145 (10): 04019083.
GeoTechTools. 2022. “Design guidance: Column-supported embankments.” Accessed July 7, 2024. https://www.geoinstitute.org/geotechtools/technologies/column-supported-embankments/design-guidance.
McGuire, M. P., J. A. Sloan, J. Collin, and G. M. Filz. 2012. “Critical height of column-supported embankments from bench-scale and field-scale tests.” In Proc., ISSMGE Technical Committee TC 211 Int. Symp. on Ground Improvement. Brussels: International Society for Soil Mechanics and Geotechnical Engineering.
Information & Authors
Information
Published In
User's Manual for GeogridBridge 3.0: A Guide to the Load Displacement Compatibility Method (LDC) for Design of Column-Supported Embankments
Pages: 27 - 28
ISBN (Online): 978-0-7844-8564-4
Copyright
© 2024 by the American Society of Civil Engineers.
History
Published online: Sep 6, 2024
ASCE Technical Topics:
- Differential settlement
- Engineering mechanics
- Foundation settlement
- Foundations
- Geomechanics
- Geotechnical engineering
- Material mechanics
- Material properties
- Materials engineering
- Pile foundations
- Pile settlement
- Soil dynamics
- Soil mechanics
- Soil settlement
- Strain
- Strength of materials
- Structural settlement
- Tensile strength
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