METHOD FOR TEMPERATURE CONTROL OF VISCOELASTIC DAMPER : Part 1 Experimental study on temperature control of double-shear damper by sheet heater with PTC function

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  • 粘弾性ダンパーの温度管理手法に関する研究 : その1 PTC機能を有する面状発熱体による2面せん断ダンパーの温度管理に関する実験的研究
  • ネンダンセイ ダンパー ノ オンド カンリ シュホウ ニ カンスル ケンキュウ ソノ 1 PTC キノウ オ ユウスル メンジョウ ハツネツタイ ニ ヨル 2メン センダン ダンパー ノ オンド カンリ ニ カンスル ジッケンテキ ケンキュウ

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Abstract

Although most viscoelastic dampers are very effective to reduce vibration of building structures, their mechanical properties are, in general, so sensitive to temperature as to make seismic design of buildings subject to strong ground motion a bit difficult, especially when the temperature is low. .This paper presents a method for keeping the temperature of the damper always warm enough to exhibit desirable damping properties regardless of the environmental low temperature. Availability of the method that makes use of a sheet heater with positive temperature coefficient (PTC) function has been confirmed through a series of experiments.

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