Chapter 3
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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
Layers in GGB3 are specified top-down according to the post-construction embankment profile. The column is assumed to start at the base of the embankment layers and extend to the depth of the bottom soil layer. The LDC calculations are performed incrementally based on a discretization of the soil profile. GGB3 allows the profile to be discretized into a maximum of 2,000 increments. GGB3 interprets the top of the soil profile prior to embankment construction as coinciding with the elevation of the bottom of the embankment, including the Load Transfer Platform (LTP), also known as a Load Transfer Mat. GGB3 computes compression of sand and clay layers comprising the foundation and elastic compression of the column. GGB3 treats the bottom of the embankment, including the LTP, as the top of the soil profile prior to construction. GGB3 can accommodate both rectangular and triangular arrays of different center-to-center spacings.
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References
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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: 9 - 20
ISBN (Online): 978-0-7844-8564-4
Copyright
© 2024 by the American Society of Civil Engineers.
History
Published online: Sep 6, 2024
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