STEEL PIPE REINFORCEMENT STRUCTURE AND REINFORCEMENT METHOD OF STEEL PIPE

PROBLEM TO BE SOLVED: To provide a steel pipe reinforcement structure and a reinforcement method of steel pipe capable of increasing buckling proof and axial strength of the steel pipe, and capable of easily working.SOLUTION: A steel pipe reinforcement structure 1 provided to an existing structure and reinforcing a steel pipe 2 constituting the structure includes: a block member 3 which is disposed out of a range 16 to be reinforced in the steel pipe 2 to block the inside of the steel pipe 2; and a reinforcement filler 4 which is filled in the block member 3 in the range 16 to be reinforced inside the steel pipe 2. The block member 3 has a bag body 31 and a filler 32 for a block member which is filled in the bag body 31.SELECTED DRAWING: Figure 4 【課題】鋼管の座屈耐力および軸耐力を増大させることができるとともに、容易に施工することができる鋼管の補強構造、および鋼管の補強方法を提供する。【解決手段】既存構造物に設けられて、構造体をなす鋼管２を補強する鋼管の補強構造１において、鋼管２の内部における補強対象範囲１６外に配置され、鋼管２の内部を塞ぐ塞ぎ部材３と、鋼管２の内部における補強対象範囲１６に塞ぎ部材３に充填された補強用充填材４と、を有し、塞ぎ部材３は、袋体３１と、袋体３１に充填された塞ぎ部材用充填材３２と、を有する。【選択図】図４