Predicting Lateral Resistance of Piles in Cohesive Soils

Wiphu Chaonoi, Jim Shiau, Chayut Ngamkhanong, Chanachai Thongchom, Pitthaya Jamsawang and Suraparb Keawsawasvong ()
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Wiphu Chaonoi: Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, Pathumthani 12120, Thailand
Jim Shiau: School of Engineering, University of Southern Queensland, Darling Heights, QLD 4350, Australia
Chayut Ngamkhanong: Department of Civil Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
Chanachai Thongchom: Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, Pathumthani 12120, Thailand
Pitthaya Jamsawang: Soil Engineering Research Center, Department of Civil Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand
Suraparb Keawsawasvong: Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, Pathumthani 12120, Thailand

Sustainability, 2022, vol. 14, issue 19, 1-19

Abstract: The ultimate lateral resistance of free- and fixed-headed piles in cohesive soil is examined in this paper using the three-dimensional finite element limit analysis with upper and lower bound theorems. A special concern, and that is the novelty of this study, is devoted to the combined effect of the three important dimensionless parameters; namely, the overburden stress factor ( n ), the pile length-diameter ratio ( L/D ), and the ratio of eccentric length to diameter ( e/D ). Numerical results are expressed by using Broms’s horizontal load factor, and comparisons are made with several published solutions. In addition, the associated failure mechanisms are investigated with respect to the three parametric effects. The adopted new technique has been successfully used to study a number of different geo-stability problems. It is thus the aim of this paper to produce accurate and practical results with design equations and charts that can be used by practitioners to predict the undrained lateral capacity of fixed- and free-headed piles.

Keywords: finite element limit analysis; lateral resistance pile; lateral capacity; three-dimensional; undrained capacity (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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