STEEL PIPE COLUMN MEMBER FOR FILING CONCRETE AND CONSTRUCTION METHOD OF CONCRETE FILLED STEEL PIPE MEMBER: Fid-Bau Portal

STEEL PIPE COLUMN MEMBER FOR FILING CONCRETE AND CONSTRUCTION METHOD OF CONCRETE FILLED STEEL PIPE MEMBER

OKUBO YOJI / ORITO ICHIRO / OKUYAMA KAZUHIRO / SHOJI DAIKI

To provide a construction method of a concrete filled steel pipe member which keeps a concrete temperature equal to or more than a control predetermined temperature during and five days after filling concrete without arrangement of large-scale thermal insulation even when constructing the concrete filled steel pipe member in a cold season.SOLUTION: A steel pipe member 21 for filling concrete is a steel pipe member 21 provided with a column-beam joint portion 24 to which a steel beam 31 is connected, in which concrete 22 is filled, wherein an air duct 30 covering a steel pipe member 21 is arranged at a lower portion of the column-beam joint portion 24.SELECTED DRAWING: Figure 2

【課題】寒冷期にコンクリート充填鋼管柱を寒中施工する場合であっても、大掛りな断熱養生を行うことなく、コンクリート充填中および充填後５日間のコンクリート温度を管理設定温度以上に確保する。【解決手段】コンクリート充填用の鋼管柱材２１は、鋼製梁３１が接合される柱梁接合部２４を備えてコンクリート２２が充填される鋼管柱材２１であって、柱梁接合部２４の下方には、鋼管柱材２１を覆う風管３０が設置される。【選択図】図２

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