Proposal of a method for evaluating torsional strain by using torsional stress for high-damping rubber bearings based on horizontal bi-directional loading tests

Takahiro Kakinuma, Haruyuki Kitamura, Toshiaki Sato, Hideaki Kato, Takahiro Mori, Sachie Kotsuki, Keiji Nakanishi

Research output: Contribution to journalArticle

Abstract

Torsional strain is calculated by horizontal bi-directional loading tests, which is known to analyze the images of the dots painted on the surface of high-damping rubber bearings, because it can't be measured directly. In elliptical orbit loading tests, residual torsional strain, which increases the torsional strain, is confimed. A method for evaluating torsional strain based on torsional stress is proposed, which consider an influence of residual torsional strain. Seismic response analyses are performed to evaluate the dynamic behavior of an isolated building under horizontal bi-directional earthquake excitations.

Original languageEnglish
Pages (from-to)1091-1101
Number of pages11
JournalJournal of Structural and Construction Engineering
Volume80
Issue number713
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

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Bearings (structural)
Torsional stress
Rubber
Damping
Seismic response
Earthquakes
Orbits

All Science Journal Classification (ASJC) codes

  • Architecture
  • Building and Construction

Cite this

Proposal of a method for evaluating torsional strain by using torsional stress for high-damping rubber bearings based on horizontal bi-directional loading tests. / Kakinuma, Takahiro; Kitamura, Haruyuki; Sato, Toshiaki; Kato, Hideaki; Mori, Takahiro; Kotsuki, Sachie; Nakanishi, Keiji.

In: Journal of Structural and Construction Engineering, Vol. 80, No. 713, 01.01.2015, p. 1091-1101.

Research output: Contribution to journalArticle

Kakinuma, Takahiro ; Kitamura, Haruyuki ; Sato, Toshiaki ; Kato, Hideaki ; Mori, Takahiro ; Kotsuki, Sachie ; Nakanishi, Keiji. / Proposal of a method for evaluating torsional strain by using torsional stress for high-damping rubber bearings based on horizontal bi-directional loading tests. In: Journal of Structural and Construction Engineering. 2015 ; Vol. 80, No. 713. pp. 1091-1101.
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