STUDY ON METHOD TO ESTIMATE CORROSION DEPTH OF BUILDING EQUIPMENT PIPING BY SUPERSONIC MEASUREMENT

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  • 建築設備配管系の簡易な超音波測定による局部腐食深さの推定法に関する研究
  • ケンチク セツビ ハイカンケイ ノ カンイ ナ チョウオンパ ソクテイ ニ ヨル キョクブ フショク フカサ ノ スイテイホウ ニ カンスル ケンキュウ

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Abstract

To estimate the piping corrosion depth is important for the diagnosis of the building equipment degradetion. For this purpose, the Gumbel distribution function of the corrosion depth data of the samples cut off from the piping is used. The purpose of this paper is to present the method to estimate the Gumbel distribution using supersonic measurement data instead of actual depth data. On the basis of the actual corrosion depth data and the supersonic measurement data, the expressions to estimate the Gumbel distribution function's parameters are formulated by the multiple regression analysis.

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