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Paper
Title

Weighted Dual Approach to an Equivalent Stiffness-based Load ‎Transfer Model for Jacked Open-ended Pile

Year: 1400
COI: JR_JACM-7-3_041
Language: EnglishView: 61

Authors

Nguyen Linh - Department of Mechanical Engineering, Thuyloi University (TLU), Hanoi, Vietnam
Ngoc Nguyen - Department of Mechanical Engineering, University of Transport and Communications (UTC), Hanoi, Vietnam
Kuu Nguyen - Department of Mechanical Engineering, Thuyloi University (TLU), Hanoi, Vietnam‎
Diem Nguyen - Department of Mechanical Engineering, University of Transport and Technology (UTT), Hanoi, Vietnam‎

Abstract:

This paper presents a new equivalent stiffness-based load transfer model for an open-ended pipe pile. The main idea of this model is to replace the sum of unit stiffnesses corresponding with external and internal unit skin frictions in the basic differential equation of load transfer by a weighted average of equivalent unit stiffnesses using a dual approach of equivalent replacement. The contribution of external and internal skin frictions to equivalent unit stiffnesses is evaluated by normalized dimensionless weighting coefficients in the form of average value with the penetration depth. Application of new load transfer model to a jacked open-ended pile concerning semi-empirical models of external and internal unit skin frictions leads to corresponding explicit expressions of weighting coefficient. A computational example of a jacked open-ended pile is carried out. It is shown that the proposed equivalent stiffness-based load transfer model is an effective tool for analyzing behaviors of the open-ended pile in considering the soil plugging effect.

Keywords:

jacked open-ended pile , load transfer method , equivalent stiffness , dual approach of equivalent replacement

Paper COI Code

This Paper COI Code is JR_JACM-7-3_041. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1249762/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Linh, Nguyen and Nguyen, Ngoc and Nguyen, Kuu and Nguyen, Diem,1400,Weighted Dual Approach to an Equivalent Stiffness-based Load ‎Transfer Model for Jacked Open-ended Pile,https://civilica.com/doc/1249762

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