Evaluation of Dynamic Properties of Sand Treated with Natural Rubber Latex for Seismic Isolation
Publication: Geo-Congress 2024
ABSTRACT
Natural rubber is a frequently utilized material for vibration isolation due to its remarkable energy absorption properties. A few recent studies reported the use of natural rubber, in the form of rubber tyre crumbs, for preparing geotechnical seismic isolation (GSI) layers. In this technique, the soil beneath the foundation is replaced with a layer of sand and rubber chips. However, it can only be used for newly planned constructions. The present study explores the feasibility of transforming a naturally occurring sand layer into a GSI layer by permeating it with natural rubber latex (NRL). The advantage of this treatment is that it is possible even beneath already-existing structures. For this purpose, a preliminary assessment of dynamic properties such as cyclic shear modulus and damping ratio of loose uniform fine sand permeated with NRL was conducted over a range of shear strains by performing cyclic triaxial tests and resonant column tests.
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Information & Authors
Information
Published In
Geo-Congress 2024
Pages: 387 - 395
History
Published online: Feb 22, 2024
ASCE Technical Topics:
- Dynamic properties
- Engineering fundamentals
- Engineering materials (by type)
- Geomechanics
- Geotechnical engineering
- Laboratory tests
- Material mechanics
- Material properties
- Materials engineering
- Rubber
- Shear tests
- Soil dynamics
- Soil mechanics
- Soil modulus
- Soil properties
- Structural behavior
- Structural engineering
- Tests (by type)
- Triaxial tests
Authors
Metrics & Citations
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