DEVELOPMENT OF A SIMPLIFIED SHAKING TABLE TEST METHOD FOR REINFORCED CONCRETE STRUCTURES USING ULTRA SMALL-SCALED MODELS : Reproduction of restoring force characteristics of reinforced concrete members by ultra small-scaled models

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  • 超縮小模型を用いた鉄筋コンクリート構造の簡易振動実験手法の開発 : 超小型模型による鉄筋コンクリート造の復元力特性の再現性
  • チョウシュクショウ モケイ オ モチイタ テッキン コンクリート コウゾウ ノ カンイ シンドウ ジッケン シュホウ ノ カイハツ チョウコガタ モケイ ニ ヨル テッキン コンクリートゾウ ノ フクゲンリョク トクセイ ノ サイゲンセイ

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Abstract

We planned to develop a simplified shaking table test method using ultra small-scaled models simulating reinforced concrete structures. Ultra small-scaled models are made of HPFRCC and longitudinal bars. As they do not have tranverse bars, we can make very small specimens with less woik and lower costs. Therefore, this method makes it possible to conduct shaking table tests using many kinds of input strong ground motions or tests of multi-storied and spanned buildings which were quite difficult with ordinary scaled specimens. In this paper, we made ultra small-scaled model specimens using HPFRCC and carried out shaking table tests to investigate whether these models perform similarly to actual reinforced concrete members. From the results of the tests, we found that ultra small-scaled models using HPFRCC performed similarly to reinforced concrete members and we could control those restoring force characteristics by changing details of HPFRCC and longitudinal bars.

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