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A platform for research: civil engineering, architecture and urbanism
REINFORCEMENT CAGE AND CONSTRUCTION METHOD OF CONCRETE STRUCTURE
To provide a reinforcement cage, etc. that effectively reinforce concrete structures such as a caisson-type pile of an iron tower.SOLUTION: A reinforcement cage 1 is used when constructing a concrete structure, and may be extended/contracted vertically. The reinforcement cage 1 has a plurality of flexible strands 11 laid out in a circumferential direction of the reinforcement cage 1 leaving an interval, and a tie hoop 12 disposed in the circumferential direction of the reinforcement cage 1, in a plurality of tiers arranged one above the other, the strand 11 and tie hoop 12 being connected to be rotatable, the vertically arranged tie hoops 12 having both ends of a reinforcement steel material 4 of the concrete structure fitted thereon, the reinforcement steel material 4 being flexible, and the reinforcement steel material 4 swelling outward on a plane as the vertically arranged tie hoops 12 rotate relatively in the circumferential direction of the reinforcement cage 1, when the reinforcement cage 1 is extended from the contracted state of the reinforcement cage 1 in which the strand 11 is spirally twisted, by untwisting the strand 11.SELECTED DRAWING: Figure 3
【課題】鉄塔深礎等のコンクリート構造物を好適に補強できる鉄筋籠等を提供する。【解決手段】鉄筋籠１は、コンクリート構造物の構築時に用いられ、上下に伸縮可能である。鉄筋籠１は、鉄筋籠１の周方向に間隔を空けて複数本配置された可とう性を有するストランド１１と、上下複数段に配置された鉄筋籠１の周方向の帯筋１２と、を有し、ストランド１１と帯筋１２とが回転可能に接合され、上下の帯筋１２に、コンクリート構造物の補強用鋼材４の両端部が取り付けられ、補強用鋼材４は、可とう性を有し、ストランド１１がらせん状に捩じれた鉄筋籠１の収縮状態からストランド１１の捩じれを解消して鉄筋籠１を伸長させる際、上下の帯筋１２が鉄筋籠１の周方向に相対回転することで補強用鋼材４が平面において外側に膨らむ。【選択図】図３
REINFORCEMENT CAGE AND CONSTRUCTION METHOD OF CONCRETE STRUCTURE
To provide a reinforcement cage, etc. that effectively reinforce concrete structures such as a caisson-type pile of an iron tower.SOLUTION: A reinforcement cage 1 is used when constructing a concrete structure, and may be extended/contracted vertically. The reinforcement cage 1 has a plurality of flexible strands 11 laid out in a circumferential direction of the reinforcement cage 1 leaving an interval, and a tie hoop 12 disposed in the circumferential direction of the reinforcement cage 1, in a plurality of tiers arranged one above the other, the strand 11 and tie hoop 12 being connected to be rotatable, the vertically arranged tie hoops 12 having both ends of a reinforcement steel material 4 of the concrete structure fitted thereon, the reinforcement steel material 4 being flexible, and the reinforcement steel material 4 swelling outward on a plane as the vertically arranged tie hoops 12 rotate relatively in the circumferential direction of the reinforcement cage 1, when the reinforcement cage 1 is extended from the contracted state of the reinforcement cage 1 in which the strand 11 is spirally twisted, by untwisting the strand 11.SELECTED DRAWING: Figure 3
【課題】鉄塔深礎等のコンクリート構造物を好適に補強できる鉄筋籠等を提供する。【解決手段】鉄筋籠１は、コンクリート構造物の構築時に用いられ、上下に伸縮可能である。鉄筋籠１は、鉄筋籠１の周方向に間隔を空けて複数本配置された可とう性を有するストランド１１と、上下複数段に配置された鉄筋籠１の周方向の帯筋１２と、を有し、ストランド１１と帯筋１２とが回転可能に接合され、上下の帯筋１２に、コンクリート構造物の補強用鋼材４の両端部が取り付けられ、補強用鋼材４は、可とう性を有し、ストランド１１がらせん状に捩じれた鉄筋籠１の収縮状態からストランド１１の捩じれを解消して鉄筋籠１を伸長させる際、上下の帯筋１２が鉄筋籠１の周方向に相対回転することで補強用鋼材４が平面において外側に膨らむ。【選択図】図３
REINFORCEMENT CAGE AND CONSTRUCTION METHOD OF CONCRETE STRUCTURE
鉄筋籠およびコンクリート構造物の構築方法
YAMANOBE SHINICHI (author)
2022-05-20
Patent
Electronic Resource
Japanese
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