ゴム支承の耐久性に関する研究　Ｉ　　ゴム支承の経年変化と静的特性

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書誌事項

タイトル別名
  • DURABILITY OF RUBBER BEARING PADS (I)
  • ゴム シショウ ノ ケイネン ヘンカ ト セイテキ トクセイ

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抄録

This report describes estimation of the durability of CR rubber bearing pads, used on a shoe of prestressed concrete railway bridge, from the physical property studied of these pads 17 years in use and the aging property of the original rubber compound.<br>The long used CR rubber bearing pads had a good physical property, but the decrease in their thickness was about 0.6mm per piece.<br>The fatigue life which was estimated from the results of the static accelerating aging tests on the original rubber compound is as follows; about 85 years according to tensile test: 190 to 220 years in terms of compression set; and about 200 years in terms of static shear modulus of elasticity.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 54 (3), 174-184, 1981

    一般社団法人 日本ゴム協会

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