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A platform for research: civil engineering, architecture and urbanism
CORROSION PREVENTION STRUCTURE OF STEEL PIPE SHEET PILE
PROBLEM TO BE SOLVED: To provide a corrosion prevention structure of a steel pipe sheet pile, which eliminates an inclination of an anti-corrosion metal thin plate at a fastening fixed portion of a corrosion prevention cover when preventing the corrosion of the steel pipe sheet pile by double-layer coating corrosion prevention, secures the tightness of the corrosion prevention cover, and can surely exhibit corrosion prevention performance.SOLUTION: The corrosion prevention structure of a steel pipe sheet pile has: a flat part 32 which is formed at a peripheral edge of a body part 31 of an anti-corrosive metal thin plate 3; a fixed plate 41 which is arranged along a rear surface side of the flat part 32, and fixed to a steel pipe sheet pile 1; extension parts of an anti-corrosion layer 21 and of a cushion layer 22 that are laminated between the fixed plate 41 and the flat part 32; a pressing plate 43 which is arranged along a surface of the flat part 32, and extends up to a boundary portion between the flat part 32 and the body part 31; stud bolts 44 which fasten a clearance from the pressing plate 43 up to the fixed plate 41; and a block 46 which is arranged at a side opposite to the body part 11 with the stud bolts 44 interposed between them, and functions as a spacer for restricting the coming of the pressing plate 43 and the fixed plate 41 close to each other.
【課題】鋼管矢板を複層被覆防食で防食する際、防食カバーの締め付け固定部分での耐食性金属薄板の傾きを解消し、防食カバーの密着性を確保して確実に防食性能を発揮できる鋼管矢板の防食構造を提供する。【解決手段】耐食性金属薄板３の本体部３１の辺縁に形成された平坦部３２と、平坦部３２の裏面側に沿って配置されて鋼管矢板１に固定された固定板４１と、固定板４１と平坦部３２との間に積層された防食層２１およびクッション層２２の延長部分と、平坦部３２の表面に沿って配置されかつ平坦部３２と本体部３１との境界部分まで延びる押圧板４３と、押圧板４３から固定板４１までを締め付けるスタッドボルト４４と、スタッドボルト４４を挟んで本体部１１と反対側に設置されて押圧板４３と固定板４１との近接を規制するスペーサとしてのブロック４６とを有する。【選択図】図２
CORROSION PREVENTION STRUCTURE OF STEEL PIPE SHEET PILE
PROBLEM TO BE SOLVED: To provide a corrosion prevention structure of a steel pipe sheet pile, which eliminates an inclination of an anti-corrosion metal thin plate at a fastening fixed portion of a corrosion prevention cover when preventing the corrosion of the steel pipe sheet pile by double-layer coating corrosion prevention, secures the tightness of the corrosion prevention cover, and can surely exhibit corrosion prevention performance.SOLUTION: The corrosion prevention structure of a steel pipe sheet pile has: a flat part 32 which is formed at a peripheral edge of a body part 31 of an anti-corrosive metal thin plate 3; a fixed plate 41 which is arranged along a rear surface side of the flat part 32, and fixed to a steel pipe sheet pile 1; extension parts of an anti-corrosion layer 21 and of a cushion layer 22 that are laminated between the fixed plate 41 and the flat part 32; a pressing plate 43 which is arranged along a surface of the flat part 32, and extends up to a boundary portion between the flat part 32 and the body part 31; stud bolts 44 which fasten a clearance from the pressing plate 43 up to the fixed plate 41; and a block 46 which is arranged at a side opposite to the body part 11 with the stud bolts 44 interposed between them, and functions as a spacer for restricting the coming of the pressing plate 43 and the fixed plate 41 close to each other.
【課題】鋼管矢板を複層被覆防食で防食する際、防食カバーの締め付け固定部分での耐食性金属薄板の傾きを解消し、防食カバーの密着性を確保して確実に防食性能を発揮できる鋼管矢板の防食構造を提供する。【解決手段】耐食性金属薄板３の本体部３１の辺縁に形成された平坦部３２と、平坦部３２の裏面側に沿って配置されて鋼管矢板１に固定された固定板４１と、固定板４１と平坦部３２との間に積層された防食層２１およびクッション層２２の延長部分と、平坦部３２の表面に沿って配置されかつ平坦部３２と本体部３１との境界部分まで延びる押圧板４３と、押圧板４３から固定板４１までを締め付けるスタッドボルト４４と、スタッドボルト４４を挟んで本体部１１と反対側に設置されて押圧板４３と固定板４１との近接を規制するスペーサとしてのブロック４６とを有する。【選択図】図２
CORROSION PREVENTION STRUCTURE OF STEEL PIPE SHEET PILE
鋼管矢板の防食構造
IMAFUKU KENICHIRO (author) / IZAWA HIROYUKI (author) / KOJIMA YASUHIRO (author) / KAWASE YOSHIYUKI (author)
2015-10-29
Patent
Electronic Resource
Japanese
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