m-PISE: A novel numerical procedure for pile installation and soil extraction. Application to the case of Leaning Tower of Pisa

Nunziante Squeglia; Stefano Stacul; Ayman A. Abed; Thomas Benz; Martino Leoni

doi:10.1016/j.compgeo.2018.06.005

m-PISE: A novel numerical procedure for pile installation and soil extraction. Application to the case of Leaning Tower of Pisa

Nunziante Squeglia, Stefano Stacul, Ayman A. Abed, Thomas Benz, Martino Leoni

Department of Civil Engineering

Research output: Contribution to journal › Article › Scientific › peer-review

1 Citation (Scopus)

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Abstract

This article introduces a new procedure to model two cases related to the simulation of the movements of the Tower of Pisa: installation of micropiles and soil extraction. Standard FEM requires geometry definition in the initial configuration. In this case the initial configuration is much different from the final one. m-PISE procedure overcomes this limit. Previous models based these two simulations on a back-analysis procedure. In m-PISE the volume changes are the same as the extracted or injected in-situ, providing a forecasting of the movements. The results obtained through this new procedure show very good agreement with the measured data.

Original language	English
Pages (from-to)	206-215
Journal	Computers and Geotechnics
Volume	102
DOIs	https://doi.org/10.1016/j.compgeo.2018.06.005
Publication status	Published - Oct 2018
MoE publication type	A1 Journal article-refereed

Keywords

FEM
Leaning Tower of Pisa
m-PISE
Micropile
Pile installation
Soil extraction

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title = "m-PISE: A novel numerical procedure for pile installation and soil extraction. Application to the case of Leaning Tower of Pisa",

abstract = "This article introduces a new procedure to model two cases related to the simulation of the movements of the Tower of Pisa: installation of micropiles and soil extraction. Standard FEM requires geometry definition in the initial configuration. In this case the initial configuration is much different from the final one. m-PISE procedure overcomes this limit. Previous models based these two simulations on a back-analysis procedure. In m-PISE the volume changes are the same as the extracted or injected in-situ, providing a forecasting of the movements. The results obtained through this new procedure show very good agreement with the measured data.",

keywords = "FEM, Leaning Tower of Pisa, m-PISE, Micropile, Pile installation, Soil extraction",

author = "Nunziante Squeglia and Stefano Stacul and Abed, {Ayman A.} and Thomas Benz and Martino Leoni",

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AU - Stacul, Stefano

AU - Abed, Ayman A.

AU - Benz, Thomas

AU - Leoni, Martino

PY - 2018/10

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AB - This article introduces a new procedure to model two cases related to the simulation of the movements of the Tower of Pisa: installation of micropiles and soil extraction. Standard FEM requires geometry definition in the initial configuration. In this case the initial configuration is much different from the final one. m-PISE procedure overcomes this limit. Previous models based these two simulations on a back-analysis procedure. In m-PISE the volume changes are the same as the extracted or injected in-situ, providing a forecasting of the movements. The results obtained through this new procedure show very good agreement with the measured data.

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