Location
Arlington, Virginia
Date
15 Aug 2008, 11:00am - 12:30pm
Abstract
A 26 m deep excavation in hard sandy clays for the Halandri Station of the Stavros Extension of Athens Metro was completed in 2001. The excavation supporting system and the areas outside the excavation were instrumented. During the design, a finite element analysis of stresses and displacements was performed using soil parameters developed from laboratory and in-situ testing. The measured displacements had a similar distribution with depth as the calculated displacements, but were significantly smaller. An extensive finite element back-analysis was performed, in which the input parameters were varied until the magnitude and the distribution with depth of calculated displacements agreed as closely as practicable with the measured displacements. Comparison was made with displacements measured at other Stavros Extension deep excavations in similar soil. The soil parameters established from the back-analysis can be considered applicable to the design of planned further Athens Metro extensions located in similar type of soil.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
6th Conference of the International Conference on Case Histories in Geotechnical Engineering
Publisher
Missouri University of Science and Technology
Document Version
Final Version
Rights
© 2008 Missouri University of Science and Technology, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Kulesza, Richard; Boussoulas, Nikos; and Marr, W. Allen, "Deep Excavations in Hard Sandy Clays for Stations and Shafts of the Athens Metro Stavros Extension" (2008). International Conference on Case Histories in Geotechnical Engineering. 8.
https://scholarsmine.mst.edu/icchge/6icchge/session05/8
Deep Excavations in Hard Sandy Clays for Stations and Shafts of the Athens Metro Stavros Extension
Arlington, Virginia
A 26 m deep excavation in hard sandy clays for the Halandri Station of the Stavros Extension of Athens Metro was completed in 2001. The excavation supporting system and the areas outside the excavation were instrumented. During the design, a finite element analysis of stresses and displacements was performed using soil parameters developed from laboratory and in-situ testing. The measured displacements had a similar distribution with depth as the calculated displacements, but were significantly smaller. An extensive finite element back-analysis was performed, in which the input parameters were varied until the magnitude and the distribution with depth of calculated displacements agreed as closely as practicable with the measured displacements. Comparison was made with displacements measured at other Stavros Extension deep excavations in similar soil. The soil parameters established from the back-analysis can be considered applicable to the design of planned further Athens Metro extensions located in similar type of soil.
