LATERAL RESISTANCE OF PILES IN COHESIONLESS SOILS BROMS PDF

In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from the on-pile force profile, from which elastic—plastic solutions are established and presented in explicit expressions. Nonlinear responses of the piles are characterized by slip depths mobilized from mudline and the pile-tip. At the states of tip-yield and rotation point yield, expressions for some critical depths are developed, which allow the on-pile force profiles to be constructed. The solutions and the expressions are developed concerning a constant subgrade modulus k and a linearly increasing modulus with depth Gibson k , respectively.

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In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from the on-pile force profile, from which elastic—plastic solutions are established and presented in explicit expressions.

Nonlinear responses of the piles are characterized by slip depths mobilized from mudline and the pile-tip. At the states of tip-yield and rotation point yield, expressions for some critical depths are developed, which allow the on-pile force profiles to be constructed.

The solutions and the expressions are developed concerning a constant subgrade modulus k and a linearly increasing modulus with depth Gibson k , respectively.

Capitalized on three measurable parameters, the solutions agree well with measured data and numerical predictions. Nondimensional responses are presented for various eccentricities at the tip-yield state and in some cases at the rotation point yield state. Nonlinear responses are obtained for typical eccentricities from elastic state right up to failure.

Comments are made regarding displacement-based capacity. A case study is elaborated to illustrate i the use of the current solutions; ii the impact of the k distributions; iii the evaluation of stresses on pile surface; and iv the deduction of soil modulus.

The current solutions are easily implemented and suitable for general design. Keywords: piles , lateral loading , rigid piles , nonlinear response , closed-form solutions. The force per unit length p gained from eqs. The moment equilibrium about the pile-tip offers A2 Equations [A1] and [A2] along with eq.

They are recast in the normalized form of eq. Furthermore, T z is rewritten as A5a A5b Maximum bending moment, M m occurs at a depth of z m at which point the shear force, T z m is zero.

The moment, M m is determined from the following expressions: A6a A6b Equations [A6 a ] and [A6 b ] are similar to those given previously e.

They were used to derive the depth z m and the moment M m. As yield expands from the pile-tip, the horizontal force equilibrium of the pile and the moment equilibrium about the pile-head require A7 A8 These expressions may be integrated to give A9 A10 Equation [A9], together with eqs. Muhannad T. Kanagasabai , J.

Smethurst , W. Wei Dong Guo , H. Advanced Search. All Journals Journal. Canadian Geotechnical Journal. Corresponding author email: w.

Abstract In this paper, limiting force profile for laterally loaded rigid piles in sand is differentiated from the on-pile force profile, from which elastic—plastic solutions are established and presented in explicit expressions.

Report on foundation design for overhead catenary system, Tuen Mun light rail transit interim report. Balfour Beatty Construction Limited. London, UK. Google Scholar. Brinch Hansen, J.

Broms B. The lateral response of piles in cohesionless soils. Moment-carrying capacity of short pile foundations in cohesionless soil. Dickin, E. Moment-carrying capacity of short piles in sand. Balkema, Rotterdam, the Netherlands, Vol. Fleming, W. Piling engineering.

Guo, W. Response of laterally loaded rigid piles. Essen, Germany, Vol. Guo WD. On limiting force profile, slip depth and lateral pile response. A preliminary investigation into the effect of axial load on piles subjected to lateral soil movement. Edited by S. Gourvanac and M. Load transfer approach for laterally loaded piles. Itasca Three-dimensional finite element studies of the moment-carrying capacity of short pier foundations in cohesionless soil.

Laboratory modeling of laterally-loaded drilled shafts in clay. McCorkle BL. Side-bearing pier foundations. Lateral resistance and deflection of rigid wall and piles in layered soils. Motta E. Mayne, F. Kulhawy, and C. Petrasovits, G. Ultimate lateral resistance of a rigid pile in cohesionless soil. Lateral capacity of model rigid piles in cohesionless soils.

Soils and Foundations 39 2 : Google Scholar. Scott, R. Foundation analysis. Prentice Hall, Englewood Cliffs, N. Sogge RL. Laterally loaded pile design. Journal of Geotechnical Engineering 9 : Google Scholar. Sun K, Pires JA. Simplified approach for pile and foundation interaction analysis. Vallabhan CV, Alikhanlou F. Short rigid piers in clays. Journal of Geotechnical Engineering 10 : Google Scholar. Zhang, L. Ultimate resistance of laterally loaded piles in cohesionless soils. Appendix A: Solutions for Gibson k profile Pile response at pre-tip yield state The force per unit length p gained from eqs.

Pile response posterior to tip yield As yield expands from the pile-tip, the horizontal force equilibrium of the pile and the moment equilibrium about the pile-head require A7 A8 These expressions may be integrated to give A9 A10 Equation [A9], together with eqs. Cited by View all 28 citing articles Theoretical solutions of laterally loaded fixed-head piles in elastoplastic soil considering pile-head flexural yielding.

Measured soil—structure interaction for concrete piles subjected to lateral loading. Nonlinear response of laterally loaded rigid piles in sliding soil. Wei Dong Guo. Three-dimensional numerical modelling of discrete piles used to stabilize landslides. Thrust and bending moment of rigid piles subjected to moving soil. Article Tools. Journal Tools Instructions to authors Get an email alert for the latest issue Check out the journal's featured content Follow the Journal Subscribe Now or click here for more information.

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LATERAL RESISTANCE OF PILE IN COHESIONLESS SOILS

We were unable send the link to your email. Please check your email. Analysis of a single pile according to Broms is described in Broms, This method exclusively assumes a pile in the homogeneous soil. Thus the analysis method does not allow for layered subsoil.

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Lateral Resistance of Piles in Cohesionless Soils

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