A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
FLOOR SLAB STRUCTURE AND FLOOR SLAB REPLACEMENT METHOD
To provide a floor slab structure and a floor slab replacement method, enabling reduction in a work time required for replacement of a floor slab from a concrete floor slab to a steel floor slab, where shearing force is securely transmitted in a bridge axial direction between a main girder and the steel floor slab.SOLUTION: A floor slab replacement method is provided, the floor slab replacement method including: removing a reinforced-concrete floor slab laid and supported by a main girder 11 of a bridge; providing a displacement prevention member 50 so as to protrude from a top surface 11c of a main girder upper flange 11b; disposing steel floor slabs 30 so as to cover the displacement prevention member 50 with gaps above and in lateral directions of the main girder upper flange 11b; and filling mortar 47 into a space between a pair of main girder horizontal and vertical ribs 32A, 32A to integrally bury the displacement prevention member 50, on the top surface 11c side of the main girder upper flange 11b.SELECTED DRAWING: Figure 4
【課題】コンクリート床版から鋼床版への床版の取り替えにかかる作業時間の短縮を図ることができ、主桁と鋼床版との間で橋軸方向にせん断力を確実に伝達する床版構造および床版取替え方法を提供する。【解決手段】橋梁の主桁１１に支持されて敷設されている鉄筋コンクリート床版を除去し、主桁上フランジ１１ｂの上面１１ｃから突出するようにずれ止め部材５０を設け、鋼床版３０を主桁上フランジ１１ｂの上方及び側方に間隔をあけてずれ止め部材５０に被せるように配設し、主桁上フランジ１１ｂの上面１１ｃ側において、一対の主桁横縦リブ３２Ａ，３２Ａ同士の間にずれ止め部材５０を一体的に埋設するモルタル４７を充填するようにした床版取替え方法を提供する。【選択図】図４
FLOOR SLAB STRUCTURE AND FLOOR SLAB REPLACEMENT METHOD
To provide a floor slab structure and a floor slab replacement method, enabling reduction in a work time required for replacement of a floor slab from a concrete floor slab to a steel floor slab, where shearing force is securely transmitted in a bridge axial direction between a main girder and the steel floor slab.SOLUTION: A floor slab replacement method is provided, the floor slab replacement method including: removing a reinforced-concrete floor slab laid and supported by a main girder 11 of a bridge; providing a displacement prevention member 50 so as to protrude from a top surface 11c of a main girder upper flange 11b; disposing steel floor slabs 30 so as to cover the displacement prevention member 50 with gaps above and in lateral directions of the main girder upper flange 11b; and filling mortar 47 into a space between a pair of main girder horizontal and vertical ribs 32A, 32A to integrally bury the displacement prevention member 50, on the top surface 11c side of the main girder upper flange 11b.SELECTED DRAWING: Figure 4
【課題】コンクリート床版から鋼床版への床版の取り替えにかかる作業時間の短縮を図ることができ、主桁と鋼床版との間で橋軸方向にせん断力を確実に伝達する床版構造および床版取替え方法を提供する。【解決手段】橋梁の主桁１１に支持されて敷設されている鉄筋コンクリート床版を除去し、主桁上フランジ１１ｂの上面１１ｃから突出するようにずれ止め部材５０を設け、鋼床版３０を主桁上フランジ１１ｂの上方及び側方に間隔をあけてずれ止め部材５０に被せるように配設し、主桁上フランジ１１ｂの上面１１ｃ側において、一対の主桁横縦リブ３２Ａ，３２Ａ同士の間にずれ止め部材５０を一体的に埋設するモルタル４７を充填するようにした床版取替え方法を提供する。【選択図】図４
FLOOR SLAB STRUCTURE AND FLOOR SLAB REPLACEMENT METHOD
床版構造および床版取替え方法
TOMINAGA NORIYOSHI (author) / YOKOZEKI KOICHI (author) / SEYA KAZUHIKO (author) / TAKEUCHI DAISUKE (author) / TONEGAWA TARO (author) / OKABE TAKESHI (author)
2021-02-22
Patent
Electronic Resource
Japanese
IPC:
E01D
BRIDGES
,
Brücken
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