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2021 | OriginalPaper | Chapter

Experimental Study of Two Stages on the Use of Local Rubber as Base Isolator for Dwelling Houses

Authors : Usman Wijaya, Elly Kusumawati

Published in: ICCOEE2020

Publisher: Springer Singapore

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Abstract

Base isolators have not been extensively used in Indonesia because they have to be primarily imported from abroad and thus, they need high costs. One of the efforts to reduce the costs of base isolators is the use of local rubber that is totally processed within the country, from harvesting the rubber latex until manufacturing elastomeric seismic bearing. Before using local rubber as base isolators, the prediction of vertical and horizontal stiffness of the base isolator is required through a grade 40 uniaxial test; 50; and 60 shore A in IRHD standard. The uniaxial test indicates that grade 50 samples have the best modulus so that the base isolator test only uses grade 50 rubber. From the test results, the damping value for energy dissipation is 12%. This value gives hope for the future development of low-cost base isolator technology in Indonesia.

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Metadata
Title
Experimental Study of Two Stages on the Use of Local Rubber as Base Isolator for Dwelling Houses
Authors
Usman Wijaya
Elly Kusumawati
Copyright Year
2021
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-33-6311-3_62