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2023 | OriginalPaper | Buchkapitel

Seismic Response of Shallow Foundations on Reinforced Sand Bed

verfasst von : Monu Lal Burnwal, Prishati Raychowdhury

Erschienen in: Advances in Earthquake Geotechnics

Verlag: Springer Nature Singapore

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Abstract

During an earthquake event, structures on soft and loose soil pose more complicated seismic behaviour compared to similar structures on the rock or stiff soil. This is due to various reasons including ground motion amplification in soft soil, kinematic interaction, large deformations at foundation level influencing the eigenvalue and damping properties of the structure, material and geometric damping of the soil and so on. Several past studies have indicated that the deformations at the foundation base, particularly the rocking of shallow foundation and subsequent energy dissipation may pose a beneficial effect on the structure through reducing floor acceleration, column moment, and ductility demands of the structural members. However, adverse consequences, such as excessive permanent and transient settlement and tilting of the foundations are also associated with rocking shallow foundations. In this background, the present study aims to investigate the utility of geosynthetics as a potential improvement of the subsoil to reduce the earthquake-induced settlement of low-rise steel-moment-resisting frame (SMRF) structures.

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Titel: Seismic Response of Shallow Foundations on Reinforced Sand Bed
verfasst von: Monu Lal Burnwal
Prishati Raychowdhury
Verlag: Springer Nature Singapore
Buch: Advances in Earthquake Geotechnics
Print ISBN: 978-981-19-3329-5

Electronic ISBN: 978-981-19-3330-1

Copyright-Jahr: 2023
DOI: https://doi.org/10.1007/978-981-19-3330-1_8

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