Analysis of Pile-Supported Gravity Lock

Desai, C. S.; Johnson, Lawrence D.; Hargett, Charles M.

doi:10.1061/ajgeb6.0000091

Cited by 18 publications

(3 citation statements)

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“…Pak and Ji 19 proposed a similar concept for the analysis of cylindrical thin-shells embedded in half-space, that is based on the use of Green's functions to represent axial and radial ring loads. Apart from boundary integral methods, various other numerical methods have also been used to study the problem at hand, such as the Finite Element Method, [20][21][22][23][24][25] the Infinite Layer Method, 26,27 and the Finite Layer Method. 28,29 Numerical methods, such as the ones mentioned above, are rigorously accounting for the three-dimensional nature of soil-pile interaction phenomena.…”

Section: Introductionmentioning

confidence: 99%

Closed‐form solution for axially loaded end‐bearing piles in two‐layered soil

Zheng,

Chen,

Kouretzis

2023

Num Anal Meth Geomechanics

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This paper presents a mathematical model for the analysis of axially‐loaded end‐bearing piles embedded in a two‐layer elastic soil deposit. The governing equations of the soil layers surrounding the pile are cast by means of a Tajimi‐type continuum formulation, and this allows deriving a closed‐form expression that provides the frictional stresses that develop at the soil‐pile interface. The pile is treated as two virtual one‐dimensional elastic rods, and pile displacements are obtained by solving a system of linear equations that results from considering the boundary and continuity conditions. This results in improved efficiency compared to existing Tajimi‐based solutions for piles in layered soil, at no expense of accuracy. The model is used to study the effect of the relative stiffness of the soil layers on the serviceability behavior of axially‐loaded piles, and drawn conclusions of practical importance.

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Section: Introductionmentioning

confidence: 99%

Closed‐form solution for axially loaded end‐bearing piles in two‐layered soil

Zheng,

Chen,

Kouretzis

2023

Num Anal Meth Geomechanics

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“…As a result, the FEM method is more effective than the previous method for analyzing the piled raft foundation. The 2D numerical analysis method has been examined by Desai, Hewitt and Gue (1994), Prakoso and Kulhawy (2001), Seo (2006) [11][12][13][14]. In these analyses, FLAC software is used to model piled raft foundations.…”

Section: Introductionmentioning

confidence: 99%

Investigating the behavior of piled raft foundation in core wall foundation of high-rise buildings

Anh¹

2021

J Appl Eng Science

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Core structure is an indispensable part of high buildings. Normally, the foundation of the core structure has a raft of larger size than the other foundations in the same project; therefore, the foundation of the core structure can be viewed as a small piled raft foundation. Currently, when calculating the piled foundation of the core, it is mostly assumed that the piles system will bear all the project loads. But this calculation method is not suitable for the actual constructions as well as does not make full use of the bearing capacity of the structure and the ground, leading to using more materials and causing more waste. Core structure aims to increase both stiffness and horizontal load capacity in high-rise buildings, so the moment inside the core transmitted to the foundation is very large. One of the shortcomings of the Plaxis 3D Foundation software is its inability to declare the moment affecting on the foundation due to the loads in this program just includes distributed loads, line loads and point loads in the geometry model. Consequently, when using Plaxis 3D Foundation software to calculate the core wall foundation of high-rise buildings, this moment is converted into an equivalent pair of moments. The research shows that when the core foundation of a high-rise building is placed on soft soil, the pile carries 96%, most of the load transmitted to the foundation. However, when the foundation is placed on hard soil, the soil surrounding the raft will bear about 10% of the load transmitted to the foundation. If this matter is skipped, there will be a large error in calculation and design

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“…So,there is great difficulties if not a simplified process. Commonly used method is to simplify the pile group problem into the plane strain problem [1] .However, for the circular base, simplify the pile group problem into the plane strain problem is not too appropriate. In this paper, the group piles outside the system are treated as "ring", the calculation is greatly reduced because system is treated as axisymmetric system.…”

Section: Introductionmentioning

confidence: 99%

A Simplified Numerical Method of Composite Foundation for the Circular Basis

Liu

Geng

2012

AMR

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It is very difficult to analysis three-dimensional model of composite foundation because there are many unit numbers if piles, soil and plate unit are divided separately. three-dimensional problem is made into the axisymmetric finite element model and numerical analysis is more convenient as the periphery piles of the group piles into the pile system " equivalent ring " . Eamples shows the conclusion is reasonable and the simplified model is feasible.

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Analysis of Pile-Supported Gravity Lock

Cited by 18 publications

References 0 publications

Closed‐form solution for axially loaded end‐bearing piles in two‐layered soil

Closed‐form solution for axially loaded end‐bearing piles in two‐layered soil

Investigating the behavior of piled raft foundation in core wall foundation of high-rise buildings

A Simplified Numerical Method of Composite Foundation for the Circular Basis

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