橋梁に用いられる免震用ゴム支承 Elastomeric Seismic-protection Isolators for Bridges

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Bridge bearings are products disposed between the top of the abutment or pier and the bottom of the girder. It has three basic features. The first one is the supporting capability against vertical and lateral loads. The second one is the horizontally mobile capability that can permit the expansion and contraction with temperature and the creep of the bridge girder. The last one is the rotational capability that can permit the rotational deformation at the fulcrum caused by the girder bending during vehicle pass.<br>In recent years, in addition to these basic functions, bearings have been responsible for the isolation function and the damping function to enhance the overall seismic capacity of bridges during the earthquake. Therefore, since the Hanshin-Awaji Earthquake has happened, bridge spanning the road around the high standards, such as highways and national roads have been adopted to increase the rubber bearing with the high isolation capability and damping function.<br>We describe the structure, the characteristic, the design and quality control method of the rubber bearings.

Bridge bearings are products disposed between the top of the abutment or pier and the bottom of the girder. It has three basic features. The first one is the supporting capability against vertical and lateral loads. The second one is the horizontally mobile capability that can permit the expansion and contraction with temperature and the creep of the bridge girder. The last one is the rotational capability that can permit the rotational deformation at the fulcrum caused by the girder bending during vehicle pass.<br>In recent years, in addition to these basic functions, bearings have been responsible for the isolation function and the damping function to enhance the overall seismic capacity of bridges during the earthquake. Therefore, since the Hanshin-Awaji Earthquake has happened, bridge spanning the road around the high standards, such as highways and national roads have been adopted to increase the rubber bearing with the high isolation capability and damping function.<br>We describe the structure, the characteristic, the design and quality control method of the rubber bearings.

収録刊行物

  • 日本ゴム協會誌

    日本ゴム協會誌 85(4), 131-137, 2012-04-15

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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各種コード

  • NII論文ID(NAID)
    10030144299
  • NII書誌ID(NCID)
    AN00189720
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    0029022X
  • NDL 記事登録ID
    023572033
  • NDL 請求記号
    Z17-125
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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