Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
REINFORCEMENT CAGE BUILDING METHOD
To provide a reinforcement cage building method capable of being suitably applied even when an overhead clearance is limited, and suppressing cutting of sediment of a hole wall.SOLUTION: A reinforcement cage 1 is a telescopic type having a cage body 2 connecting hoops and strands with flexibility such that an intersection angle therebetween is variable, wherein on the cage body 2, reinforcement rings 4a along a circumferential direction of the cage body 2 are provided in three or more stages with an interval in an axial direction of the cage body 2. When building the reinforcement cage 1 in an excavated hole 100, the following steps are repeated: a steps in which the reinforcement rings 4a adjacent in the axial direction of the cage body 2 are connected by connection members 5 and the reinforcement cage 1 in a state where the cage body 2 is contracted is arranged above the excavated hole 100, then the connection member 5 positioned the lowest is removed, the reinforcement cage 1 is lifted up from the reinforcement ring 4a in the uppermost stage, and the cage body 2 in a section between the reinforcement rings 4a connected by the connection members 5 is extended upward; and a step in which the reinforcement cage 1 is suspended down, and the cage body 2 in the extended section is inserted into the excavated hole 100.SELECTED DRAWING: Figure 7
【課題】空頭制限があっても好適に適用でき、孔壁の土砂の削り落としも抑制できる鉄筋籠の建て込み方法等を提供する【解決手段】鉄筋籠１は、帯筋と、可撓性を有するストランドとを、交差角が可変となるように結合した籠体２を有する伸縮式のものであり、籠体２には、籠体２の周方向に沿った補強リング４ａが、籠体２の軸方向に間隔を空けて３段以上に設けられる。この鉄筋籠１を掘削孔１００に建て込む際は、籠体２の軸方向に隣り合う補強リング４ａ同士が連結材５で連結され、且つ籠体２が収縮した状態の鉄筋籠１を掘削孔１００の上方に配置した後、最も下に位置する連結材５を取り外し、鉄筋籠１を最上段の補強リング４ａから吊り上げ、当該連結材５で連結されていた補強リング４ａの間の区間の籠体２を上方に伸展させる工程と、鉄筋籠１を吊り降ろし、伸展させた区間の籠体２を掘削孔１００に挿入する工程と、を繰り返す。【選択図】図７
REINFORCEMENT CAGE BUILDING METHOD
To provide a reinforcement cage building method capable of being suitably applied even when an overhead clearance is limited, and suppressing cutting of sediment of a hole wall.SOLUTION: A reinforcement cage 1 is a telescopic type having a cage body 2 connecting hoops and strands with flexibility such that an intersection angle therebetween is variable, wherein on the cage body 2, reinforcement rings 4a along a circumferential direction of the cage body 2 are provided in three or more stages with an interval in an axial direction of the cage body 2. When building the reinforcement cage 1 in an excavated hole 100, the following steps are repeated: a steps in which the reinforcement rings 4a adjacent in the axial direction of the cage body 2 are connected by connection members 5 and the reinforcement cage 1 in a state where the cage body 2 is contracted is arranged above the excavated hole 100, then the connection member 5 positioned the lowest is removed, the reinforcement cage 1 is lifted up from the reinforcement ring 4a in the uppermost stage, and the cage body 2 in a section between the reinforcement rings 4a connected by the connection members 5 is extended upward; and a step in which the reinforcement cage 1 is suspended down, and the cage body 2 in the extended section is inserted into the excavated hole 100.SELECTED DRAWING: Figure 7
【課題】空頭制限があっても好適に適用でき、孔壁の土砂の削り落としも抑制できる鉄筋籠の建て込み方法等を提供する【解決手段】鉄筋籠１は、帯筋と、可撓性を有するストランドとを、交差角が可変となるように結合した籠体２を有する伸縮式のものであり、籠体２には、籠体２の周方向に沿った補強リング４ａが、籠体２の軸方向に間隔を空けて３段以上に設けられる。この鉄筋籠１を掘削孔１００に建て込む際は、籠体２の軸方向に隣り合う補強リング４ａ同士が連結材５で連結され、且つ籠体２が収縮した状態の鉄筋籠１を掘削孔１００の上方に配置した後、最も下に位置する連結材５を取り外し、鉄筋籠１を最上段の補強リング４ａから吊り上げ、当該連結材５で連結されていた補強リング４ａの間の区間の籠体２を上方に伸展させる工程と、鉄筋籠１を吊り降ろし、伸展させた区間の籠体２を掘削孔１００に挿入する工程と、を繰り返す。【選択図】図７
REINFORCEMENT CAGE BUILDING METHOD
鉄筋籠の建て込み方法
YAMANOBE SHINICHI (Autor:in)
26.12.2023
Patent
Elektronische Ressource
Japanisch
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