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Numerical comparison of retaining system behavior for a deep excavation case with and without ground improvement
Date
2012-11-02
Author
Maghsoudloo, Arash
Ahmadinaghadeh, Reza
Toker, Nabi Kartal
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In the construction of deep excavations in urban areas, the safety of adjacent ground and structures becomes major concern for engineers. In soft clays, the main reason for occurrence of large deflections of soil support systems in excavations is instability of the excavation base. This paper will focus on analyzing and comparing design of an excavation with and without jet grout improvement applied to the excavation base by employing the finite-element code PLAXIS. A well-documented case study is analyzed, and soil properties in the model are calibrated using available field data from inclinometers. Then the same analysis is repeated for the improved case and results are compared. The results reveal the effectiveness of jet grout blocks in decreasing lateral wall movement, base heave and surface settlement on the retained side.
Subject Keywords
Deep Excavation
,
Ground Improvement
,
PLAXIS
,
Retaining Structure
URI
https://hdl.handle.net/11511/84364
DOI
https://doi.org/10.3850/978-981-07-3560-9_07-0705
Conference Name
International Conference on Ground Improvement and Ground Control (ICGI 2012)
Collections
Department of Civil Engineering, Conference / Seminar
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A. Maghsoudloo, R. Ahmadinaghadeh, and N. K. Toker, “Numerical comparison of retaining system behavior for a deep excavation case with and without ground improvement,” presented at the International Conference on Ground Improvement and Ground Control (ICGI 2012), Wollongong, Avustralya, 2012, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/84364.
