3次元熱伝導－熱応力解析による合成床版パネルの溶融亜鉛めっき時における変形対策に関する検討

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  • Study of deformation reduction for steel panels of composite slabs using three-dimensional thermal conductivity - thermal stress analysis during hot dip galvanizing
  • 3ジゲン ネツ デンドウ-ネツ オウリョク カイセキ ニ ヨル ゴウセイ ショウバン パネル ノ ヨウユウ アエンメッキ ジ ニ オケル ヘンケイ タイサク ニ カンスル ケントウ

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Steel structures may suffer deformation during hot dip galvanizing due to abrupt changes of temperature. A large-sized structure such as steel panels of composite slab is especially subject to extreme difference of temperature. Consequently, large thermal displacement is generated in structural members and can be left as residual deformation. Therefore, we clarify thermal displacement arising in panels of composite slab product during hot dip galvanizing process by the immersion test and the three-dimensional thermal conductivity and thermal stress analysis. Based on the above analysis, countermeasures to avoid displacement are examined when galvanizing composite slabs.

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