Seismic Analysis of Cantilever Sheet Pile Walls with Strip Load for Any Lateral Deformation
Publication: International Journal of Geomechanics
Volume 22, Issue 5
Abstract
In the present study, a new method for designing the cantilever sheet pile wall having a strip load present on the backfill is proposed in cohesionless soil. The method uses the limit-equilibrium approach by establishing the partial mobilized earth pressure diagram in static and seismic conditions. The partial mobilization of earth pressure has been taken as a function of amount and type of wall movement and associated mobilized soil–wall friction angles. Analytical expressions are derived for the cantilever sheet pile wall to determine the earth pressure, shear force, and bending moment. It is observed that the earth pressure diagram of cantilever sheet pile walls varies with the displacement at the dredge level. Furthermore, the shifting of strip load of magnitude 20 kPa away from the cantilever sheet pile walls reduces the maximum bending moment by 10% when the width of the strip load is 1.6 m. A parametric study is carried out and presented in the nondimensionalized form of bending moment, penetration depth, and location of the pivot point. The results of the present study are compared with the existing conventional solutions available in the literature.
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Published In
International Journal of Geomechanics
Volume 22 • Issue 5 • May 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Jul 19, 2021
Accepted: Dec 20, 2021
Published online: Mar 2, 2022
Published in print: May 1, 2022
Discussion open until: Aug 2, 2022
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Cited by
- Akshay Pratap Singh, Kaustav Chatterjee, Influence of Seismic Motions on the Behavior of Cantilever Sheet Pile Wall Subjected to Infinite Uniform Surcharge Loading, Natural Hazards Review, 10.1061/NHREFO.NHENG-1588, 24, 2, (2023).
- Akshay P. Singh, Kaustav Chatterjee, Influence of Strip Load on Seismic Behavior of Cantilever Sheet Pile Walls, Geo-Congress 2023, 10.1061/9780784484685.030, (292-301), (2023).