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Performance-Based Seismic Assessment of Slope Systems Read chapter Read first chapter

2022 | OriginalPaper | Chapter

Lessons Learned from LEAP-RPI-2020 Simulation Practice

Authors : Long Chen, Alborz Ghofrani, Pedro Arduino

Published in: Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022)

Publisher: Springer International Publishing

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Abstract

In accordance with the Liquefaction Experiment and Analysis Projects (LEAP)-RPI-2020 guidelines, a model was built using finite element tool OpenSees for blind prediction of centrifuge experiments to investigate the seismic response of a sheet pile retaining structure supporting liquefiable soils. This paper discusses different aspects of a representative numerical model for the LEAP experiment, implications of the decisions made in the process, and presents the lessons learned from this effort. These aspects include modeling of the soil-fluid coupling, soil behavior, structure element, soil-structure interface, boundary conditions, and initial static conditions.

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previous chapter Experimental and Numerical Study of Rate Effect in Cone Penetration Tests
next chapter Numerical Simulations of the LEAP 2020 Centrifuge Experiments Using PM4Sand
Footnotes
1
We used OpenSees, a finite element framework developed by McKenna et al. [2].
 
Literature
1.
LEAP-RPI-2020 Organizing Team: LEAP 2020 Simulation Exercise
2.
McKenna, F., Scott, M.H., Fenves, G.L.: Nonlinear finite-element analysis software architecture using object composition. J. Comput. Civ. Eng. 24(1), 95–107 (2010)CrossRef
3.
4.
Itasca Consulting Group, Inc.: FLAC—Fast Lagrangian Analysis of Continua, Ver. 8.1. Minneapolis (2019)
5.
PLAXIS, PLAXIS 2D Reference Manual. Bentley Systems International Limited, Dublin (2021)
6.
Chen, L., Ghofrani, A., Arduino, P.: Remarks on numerical simulation of the LEAP-Asia-2019 centrifuge tests. Soil Dyn. Earthq. Eng. 142, 106541 (2021)
7.
Boulanger, R.W., Ziotopoulou, K.: PM4Sand (Version 3.1): a sand plasticity model for earthquake engineering applications. UCD/CGM-17/01, Center for Geotechnical Modeling, University of California, Davis, CA (2017)
8.
Dafalias, Y.F., Manzari, M.T.: Simple plasticity sand model accounting for fabric change effects. J. Eng. Mech. 130(6), 622–634 (2004)
9.
10.
Parra-Colmenares, E.J.: Numerical modeling of liquefaction and lateral ground deformation including cyclic mobility and dilation response in soil systems, Ph.D. thesis, Rensselaer Polytechnic Institute, Troy, NY (1996)
11.
Wang, G., Sitar, N.: Nonlinear analysis of a soil-drilled pier system under static and dynamic axial loading, PEER Report No. 2006/06, Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA (2006)
12.
Petek, K.A.: Development and application of mixed beam-solid models for analysis of soil-pile interaction problems. Ph.D. Dissertation, University of Washington (2006)
Metadata
Title
Lessons Learned from LEAP-RPI-2020 Simulation Practice
Authors
Long Chen
Alborz Ghofrani
Pedro Arduino
Copyright Year
2022
Book
Proceedings of the 4th International Conference on Performance Based Design in Earthquake Geotechnical Engineering (Beijing 2022)

Print ISBN: 978-3-031-11897-5

Electronic ISBN: 978-3-031-11898-2

Copyright Year: 2022

DOI
https://doi.org/10.1007/978-3-031-11898-2_159