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International Journal of Geosynthetics and Ground Engineering
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01-09-2017 | Original Paper

Geosynthetic Liner as Foundation Isolation for Seismic Protection

Authors: R. P. Nanda, S. Dutta, A. Das, H. A. Khan

Published in: International Journal of Geosynthetics and Ground Engineering | Issue 3/2017

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Abstract

The effectiveness of a nonwoven geotextile–geomembrane liner as a foundation isolation system for RC buildings is studied analytically by considering artificial as well as recorded accelerogram as earthquake ground input motion. The concept of foundation isolation is applied by separating the foundation from the soil by a sliding friction interface in the form of geotextile–UHMWPE. A 3D finite element simulation and parametric study in ABAQUS have been carried out to estimate the effectiveness of the proposed method. The results show that through slip deformation, the interface reduces seismic energy transferred, reducing the dynamic response of the building. On an average, the proposed scheme can reduce the horizontal ground acceleration by 40%.
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Literature
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Metadata
Title
Geosynthetic Liner as Foundation Isolation for Seismic Protection
Authors
R. P. Nanda
S. Dutta
A. Das
H. A. Khan
Publication date
01-09-2017
Publisher
Springer International Publishing
Published in
International Journal of Geosynthetics and Ground Engineering / Issue 3/2017
Print ISSN: 2199-9260
Electronic ISSN: 2199-9279
DOI
https://doi.org/10.1007/s40891-017-0098-2

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