Proceedings of the Rocscience International Conference (RIC 2023)

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Back Analysis of Support Force—A Case Study

Authors
Bijoy K. Halder1, *, Kevin M. Erns1
1Terracon Consultants, Inc, Columbus, OH, USA
*Corresponding author. Email: bijoy.halder@terracon.com
Corresponding Author
Bijoy K. Halder
Available Online 8 November 2023.
DOI
10.2991/978-94-6463-258-3_38How to use a DOI?
Keywords
Slope Stability Analysis; Limit Equilibrium; Finite Element
Abstract

Subsurface investigation for County Road 90 in Athens County, Ohio, indicated presence of reddish brown non-durable claystone bedrock of the Pennsylvanian aged Monongahela Group. The slope failure is an approximately 90 ft long slope section affected by landslide activity. The ground movement is associated with rotational type slope movement of fill and residual soil mass over the weathered bedrock surface. To remediate the landslide, a drilled shaft soldier pile cantilever retaining wall system was recommended. Ohio Department of Transportation recommends designing drilled shaft retaining wall based on guidance in their Geotechnical Design Manual. The force on the drilled shaft is calculated using the software program UA Slope to design the drilled shaft. In this article, the authors have compared the force generated on the drilled shaft with 2-dimensional model through the finite element shear strength reduction method (FEM) and back analysis of support force using a traditional limit equilibrium method (LEM). This paper will discuss the advantage of FEM and LEM methods to back calculate support force over UA Slope.

Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the Rocscience International Conference (RIC 2023)
Series
Atlantis Highlights in Engineering
Publication Date
8 November 2023
ISBN
10.2991/978-94-6463-258-3_38
ISSN
2589-4943
DOI
10.2991/978-94-6463-258-3_38How to use a DOI?
Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Bijoy K. Halder
AU  - Kevin M. Erns
PY  - 2023
DA  - 2023/11/08
TI  - Back Analysis of Support Force—A Case Study
BT  - Proceedings of the Rocscience International Conference  (RIC 2023)
PB  - Atlantis Press
SP  - 373
EP  - 382
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-258-3_38
DO  - 10.2991/978-94-6463-258-3_38
ID  - Halder2023
ER  -