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A platform for research: civil engineering, architecture and urbanism
REINFORCEMENT METHOD FOR HOLLOW TUBULAR STRUCTURE
PROBLEM TO BE SOLVED: To curtail work period and prevent creasing of a reinforced part.SOLUTION: A reinforcement work period is curtailed as a reinforced part 12, an inner balloon part 13 and a lower balloon part 14 are inserted into an inner hollow part of a hollow tubular structure 1 from a terminal opening part 5. The inner balloon part 13 is swollen by compressed air injected from the terminal opening part 5 side while the lower balloon part 14 is installed at a preset position in the inner hollow part of the hollow tubular structure 1 and tensile force is applied to the reinforced part 12 and the inner balloon part 13 in a direction toward a head part, and the reinforced part 12 is pressed in a tubular form against an inner wall surface surrounding the inner hollow part of the hollow tubular structure 1 by the swollen inner balloon part 13. A liquid hardener 22 is injected into an inner hollow part of the inner balloon part 13 above the lower balloon part 14, allowing the reinforced part 12 to be swollen by the liquid hardener 22 without creasing and pressed against the inner wall surface surrounding the inner hollow part of the hollow tubular structure 1. Or, the reinforced part 12 may be bonded on the inner wall surface of the hollow tubular structure 1 with an adhesive.SELECTED DRAWING: Figure 2
【課題】工程を短縮と補強部への皺の発生を防止する。【解決手段】補強部１２と内側風船部１２と下側風船部１４とが末口部５から中空筒状構造物１の内側空洞部に挿入されて工程を短縮することができ、下側風船部１４が中空筒状構造物１の内側空洞部の予め設定された設置位置に設置され、補強部１２及び内側風船部１３が頭部の側に緊張された状態において、内側風船部１３が末口部５の側から注入された圧縮空気により膨張し、補強部１２が上記膨張した内側風船部１３により中空筒状構造物１の内側空洞部を囲む内壁面に筒状に押し付けられ、液状硬化材２２が下側風船部１４よりも上の内側風船部１３の内側空洞部に注入されることにより、補強部１２が皺を発生することなく液状硬化材２２で膨張して中空筒状構造物１の内側空洞部を囲む内壁面に押し付けられる。補強部１２を接着剤で中空筒状構造物１の内壁面に貼り付けてもよい。【選択図】図２
REINFORCEMENT METHOD FOR HOLLOW TUBULAR STRUCTURE
PROBLEM TO BE SOLVED: To curtail work period and prevent creasing of a reinforced part.SOLUTION: A reinforcement work period is curtailed as a reinforced part 12, an inner balloon part 13 and a lower balloon part 14 are inserted into an inner hollow part of a hollow tubular structure 1 from a terminal opening part 5. The inner balloon part 13 is swollen by compressed air injected from the terminal opening part 5 side while the lower balloon part 14 is installed at a preset position in the inner hollow part of the hollow tubular structure 1 and tensile force is applied to the reinforced part 12 and the inner balloon part 13 in a direction toward a head part, and the reinforced part 12 is pressed in a tubular form against an inner wall surface surrounding the inner hollow part of the hollow tubular structure 1 by the swollen inner balloon part 13. A liquid hardener 22 is injected into an inner hollow part of the inner balloon part 13 above the lower balloon part 14, allowing the reinforced part 12 to be swollen by the liquid hardener 22 without creasing and pressed against the inner wall surface surrounding the inner hollow part of the hollow tubular structure 1. Or, the reinforced part 12 may be bonded on the inner wall surface of the hollow tubular structure 1 with an adhesive.SELECTED DRAWING: Figure 2
【課題】工程を短縮と補強部への皺の発生を防止する。【解決手段】補強部１２と内側風船部１２と下側風船部１４とが末口部５から中空筒状構造物１の内側空洞部に挿入されて工程を短縮することができ、下側風船部１４が中空筒状構造物１の内側空洞部の予め設定された設置位置に設置され、補強部１２及び内側風船部１３が頭部の側に緊張された状態において、内側風船部１３が末口部５の側から注入された圧縮空気により膨張し、補強部１２が上記膨張した内側風船部１３により中空筒状構造物１の内側空洞部を囲む内壁面に筒状に押し付けられ、液状硬化材２２が下側風船部１４よりも上の内側風船部１３の内側空洞部に注入されることにより、補強部１２が皺を発生することなく液状硬化材２２で膨張して中空筒状構造物１の内側空洞部を囲む内壁面に押し付けられる。補強部１２を接着剤で中空筒状構造物１の内壁面に貼り付けてもよい。【選択図】図２
REINFORCEMENT METHOD FOR HOLLOW TUBULAR STRUCTURE
中空筒状構造物補強工法
HISHIDA CHIKA (author) / ONO HIROSHI (author) / KONO HIROSHI (author)
2016-05-16
Patent
Electronic Resource
Japanese
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