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METHOD FOR ERECTING REINFORCING BAR CAGE
To provide a method for erecting a reinforcing bar cage that can be suitably applied even if there are restrictions such as overhead clearance.SOLUTION: Reinforcing bar cages 1a and 1b are telescopic ones each having a cage body 2 in which tie hoops and flexible strands are connected such that the intersection angle is variable. When erecting these reinforcing bar cages 1a and 1b into an excavation hole 100, above the reinforcing bar cage 1a inserted into the excavation hole 100 with the axial direction of the cage body 2 being the vertical direction, the reinforcing bar cage 1b in which at least a portion including an upper end portion of the cage body 2 is contracted is arranged with the axial direction of the cage body 2 being the vertical direction. After that, the lower end of the strand of the upper reinforcing bar cage 1b and the upper end of the strand of the lower reinforcing bar cage 1a are connected. Two reinforcing bar cages 1a and 1b whose strands are connected to each other are suspended into the excavation hole 100. At this time, at least the cage body 2 of the upper reinforcing bar cage 1b is expanded.SELECTED DRAWING: Figure 4
【課題】空頭等の制限があっても好適に適用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１ａ、１ｂ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る。この鉄筋籠１ａ、１ｂを掘削孔１００に建て込む際は、籠体２の軸方向を鉛直方向として掘削孔１００内に挿入された鉄筋籠１ａの上方に、籠体２の上端部を含む少なくとも一部が収縮した状態の鉄筋籠１ｂを、籠体２の軸方向を鉛直方向として配置する。その後、上方の鉄筋籠１ｂのストランドの下端と、下方の鉄筋籠１ａのストランドの上端とを連結し、ストランド同士を連結した２つの鉄筋籠１ａ、１ｂを、掘削孔１００内に吊り降ろす。この際、少なくとも上方の鉄筋籠１ｂの籠体２が伸展される。【選択図】図４
METHOD FOR ERECTING REINFORCING BAR CAGE
To provide a method for erecting a reinforcing bar cage that can be suitably applied even if there are restrictions such as overhead clearance.SOLUTION: Reinforcing bar cages 1a and 1b are telescopic ones each having a cage body 2 in which tie hoops and flexible strands are connected such that the intersection angle is variable. When erecting these reinforcing bar cages 1a and 1b into an excavation hole 100, above the reinforcing bar cage 1a inserted into the excavation hole 100 with the axial direction of the cage body 2 being the vertical direction, the reinforcing bar cage 1b in which at least a portion including an upper end portion of the cage body 2 is contracted is arranged with the axial direction of the cage body 2 being the vertical direction. After that, the lower end of the strand of the upper reinforcing bar cage 1b and the upper end of the strand of the lower reinforcing bar cage 1a are connected. Two reinforcing bar cages 1a and 1b whose strands are connected to each other are suspended into the excavation hole 100. At this time, at least the cage body 2 of the upper reinforcing bar cage 1b is expanded.SELECTED DRAWING: Figure 4
【課題】空頭等の制限があっても好適に適用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１ａ、１ｂ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る。この鉄筋籠１ａ、１ｂを掘削孔１００に建て込む際は、籠体２の軸方向を鉛直方向として掘削孔１００内に挿入された鉄筋籠１ａの上方に、籠体２の上端部を含む少なくとも一部が収縮した状態の鉄筋籠１ｂを、籠体２の軸方向を鉛直方向として配置する。その後、上方の鉄筋籠１ｂのストランドの下端と、下方の鉄筋籠１ａのストランドの上端とを連結し、ストランド同士を連結した２つの鉄筋籠１ａ、１ｂを、掘削孔１００内に吊り降ろす。この際、少なくとも上方の鉄筋籠１ｂの籠体２が伸展される。【選択図】図４
METHOD FOR ERECTING REINFORCING BAR CAGE
鉄筋籠の建て込み方法
YAMANOBE SHINICHI (author) / YAMAGUCHI KENICHI (author) / OGAWA MUNEYUKI (author) / SHIMAMURA JUN (author)
2024-02-08
Patent
Electronic Resource
Japanese
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