Journal of Engineering Research
Abstract
Even when located atop piles, deep excavations might result in Settlement and harm to nearby buildings. This work aims to investigate single-pile reactions to deep-braced excavation-induced soil movement in soft clay with a sand covering. The main goal of the experiment is to determine how a vertical single pile responds to produced axial force, lateral deflection, induced bending moment, and pile settlement. The pile's diameter (dp) is 5 meters, and its embedded length (Lp) is 22 meters. The pile horizontally from the diaphragm wall is situated 3.75 meters (.25 He). The pile was simulated using the "Embedded pile" structural element. To enhance comprehension of the behavior of a single pile, a parametric analysis was conducted. to offer more information regarding the pile's response. Design, procedure, and strategy A thorough three-dimensional numerical study is performed to explore pile responses during a nearby deep-braced excavation using the explicit finite element code PLAXIS 3D. Conclusions: The acquired data made it possible to fully comprehend the phenomena of soil-pile-structure interactions as well as the pile reaction. The results show that there could be significant axial forces, lateral deflections, and bending moments in the surrounding piles as a result of the deep excavation. Parametric research revealed that the position of the pile has a significant impact on the pile reactions. This work used 3D numerical modeling to fully examine the pile reaction in multi-layered soil. In this investigation, the Hardening soil model with small-strain stiffness was employed to account for the soil's nonlinear small-strain behavior.
Recommended Citation
Ibrahim Lotfy, Marwan Shahin, Ahmed Farouk, Mostafa
(2023)
"Influence of deep excavation on behavior of adjacent single pile: effect of pile location,"
Journal of Engineering Research: Vol. 7:
Iss.
3, Article 62.
Available at:
https://digitalcommons.aaru.edu.jo/erjeng/vol7/iss3/62