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CONSTRUCTION METHOD OF LEG EARTHQUAKE-PROOF REINFORCING STRUCTURE
To provide a construction method of a leg earthquake-proof reinforcing structure allowing partial reinforcement only for a brace joining part of existing columns with simple construction, without cutting and removing the columns of an existing steel structure, having braces between the columns.SOLUTION: A construction method of a leg earthquake-proof reinforcing structure comprises steps of: opening insertion holes near an upper brace joining part 3b1 of the upper part of a column 3 and near a lower brace joining part 3b2 of a lower part of the column 3; inserting bag-likely formed bag bodies 6 into hollows inside the column 3 through the insertion holes; fixing the bag bodies 6 inside the column 3; filling a filler into the bag bodies 6 through a filler filling hose attached to a hose inlet of the upper part of the bag bodies 6, inflating the bag bodies 6 to fit inside the column 3 and closing the hose inlet; and restoring by attaching a closing member to the insertion holes of the column 3.SELECTED DRAWING: Figure 1
【課題】支柱相互間にブレースを有す既設鋼構造物の支柱を切断撤去することなく、簡単な施工で既設支柱のブレース接合部のみを部分的に補強することが可能な脚部耐震補強の施工方法を提供する。【解決手段】支柱3上部の上部ブレース接合部3b1及び支柱3下部の下部ブレース接合部3b2近傍に挿入孔を開口する開口ステップと、袋状に成形された袋体6を挿入孔から支柱3の中空内部に挿入する挿入ステップと、袋体6を支柱3内部に固定する固定ステップと、袋体6上部のホース注入口に取付けられた充填材注入用ホースから袋体6の内部に充填材を袋体6の内部に充填し、袋体6を支柱3の内部に嵌合するように膨張させ、ホース注入口を閉止する充填ステップと、支柱3の挿入孔に閉止部材を取付ける復旧ステップとを備えたことを特徴とする。【選択図】図1
CONSTRUCTION METHOD OF LEG EARTHQUAKE-PROOF REINFORCING STRUCTURE
To provide a construction method of a leg earthquake-proof reinforcing structure allowing partial reinforcement only for a brace joining part of existing columns with simple construction, without cutting and removing the columns of an existing steel structure, having braces between the columns.SOLUTION: A construction method of a leg earthquake-proof reinforcing structure comprises steps of: opening insertion holes near an upper brace joining part 3b1 of the upper part of a column 3 and near a lower brace joining part 3b2 of a lower part of the column 3; inserting bag-likely formed bag bodies 6 into hollows inside the column 3 through the insertion holes; fixing the bag bodies 6 inside the column 3; filling a filler into the bag bodies 6 through a filler filling hose attached to a hose inlet of the upper part of the bag bodies 6, inflating the bag bodies 6 to fit inside the column 3 and closing the hose inlet; and restoring by attaching a closing member to the insertion holes of the column 3.SELECTED DRAWING: Figure 1
【課題】支柱相互間にブレースを有す既設鋼構造物の支柱を切断撤去することなく、簡単な施工で既設支柱のブレース接合部のみを部分的に補強することが可能な脚部耐震補強の施工方法を提供する。【解決手段】支柱3上部の上部ブレース接合部3b1及び支柱3下部の下部ブレース接合部3b2近傍に挿入孔を開口する開口ステップと、袋状に成形された袋体6を挿入孔から支柱3の中空内部に挿入する挿入ステップと、袋体6を支柱3内部に固定する固定ステップと、袋体6上部のホース注入口に取付けられた充填材注入用ホースから袋体6の内部に充填材を袋体6の内部に充填し、袋体6を支柱3の内部に嵌合するように膨張させ、ホース注入口を閉止する充填ステップと、支柱3の挿入孔に閉止部材を取付ける復旧ステップとを備えたことを特徴とする。【選択図】図1
CONSTRUCTION METHOD OF LEG EARTHQUAKE-PROOF REINFORCING STRUCTURE
脚部耐震補強の施工方法
ISHII KOJI (Autor:in) / KUSAKABE YOTO (Autor:in)
28.03.2019
Patent
Elektronische Ressource
Japanisch
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