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Title: 3D finite element analysis of the effects of deep excavation on adjacent piles
Authors: Hao, Chenghao
Keywords: DRNTU::Engineering::Civil engineering
Issue Date: 2019
Abstract: This report focuses on the effect of induced soil movements acting on adjacent reinforced concrete (RC) piles. In recent years, there has been a surge in demand for urban redevelopment and rezoning downtown areas from a low-density to high-density development. As a result, more excavations are carried out in the congested urban area. Thus, the impact of earth excavation on the existing buildings nearby become critical. By using a validated three-dimensional finite element analysis method to analyse the impacts of soil properties, pile diameters, lateral distance between the excavation face and existing pile, and the position of single existing piles around the perimeters of excavation on the lateral movement (Ux), axial force(N) and bending moment (M) of the adjacent piles. The findings signified that higher strength of saturated soil will induce a smaller lateral deflection of the embedded walls and the piles nearby. Moreover, the author will also adopt theories from limiting soil pressure and pile stiffness, and continue with discussions and conclusion based on geotechnical theories and the 3D-Plaxis analysis results.
Schools: School of Civil and Environmental Engineering 
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:CEE Student Reports (FYP/IA/PA/PI)

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