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A platform for research: civil engineering, architecture and urbanism
CONSTRUCTION METHOD OF ROTATION PRESSURE-INSERTION STEEL PIPE PILE
PROBLEM TO BE SOLVED: To control a block state of a steel pipe pile in conformity to a construction condition of soil or the like, and to improve construction performance and support force capability in a balanced manner.SOLUTION: A construction method of a rotation pressure-insertion steel pipe pile has: a process for positioning a rod top 2a of an oscillation rod 2 at a lower part rather than a first block plate 11A at the lowest stage at the inside of the steel pipe pile 1, and pressure-inserting the steel pipe pile 1 while oscillating the oscillation rod 2; a process for making the oscillation rod 2 arrive at a pile arrival target depth P1 of the steel pipe pile 1 at a support layer G1 before the oscillation rod arrives at a preset rod deepest target depth P2; and a process for pressure-inserting the steel pipe pile 1 while oscillating and pulling up the oscillation rod 2 after the oscillation rod 2 arrives at the rod deepest target depth P2.SELECTED DRAWING: Figure 7
【課題】地盤等の施工条件に合わせて鋼管杭における閉塞状態を制御することができ、しかも施工性と支持力性能との向上をバランスよく達成できる。【解決手段】鋼管杭１の内側において最下段の第１閉塞板１１Ａよりも下方に振動ロッド２のロッド先端２ａを位置させ、振動ロッド２を振動させながら鋼管杭１を回転圧入する工程と、振動ロッド２が予め設定さえたロッド最深目標深度Ｐ２に到達する前に、支持層Ｇ１における鋼管杭１の杭到達目標深度Ｐ１に到達させる工程と、振動ロッド２がロッド最深目標深度Ｐ２に到達した後に、振動ロッド２を振動させながら引き上げつつ鋼管杭１を回転圧入する工程と、を有する回転圧入鋼管杭の施工方法を提供する。【選択図】図７
CONSTRUCTION METHOD OF ROTATION PRESSURE-INSERTION STEEL PIPE PILE
PROBLEM TO BE SOLVED: To control a block state of a steel pipe pile in conformity to a construction condition of soil or the like, and to improve construction performance and support force capability in a balanced manner.SOLUTION: A construction method of a rotation pressure-insertion steel pipe pile has: a process for positioning a rod top 2a of an oscillation rod 2 at a lower part rather than a first block plate 11A at the lowest stage at the inside of the steel pipe pile 1, and pressure-inserting the steel pipe pile 1 while oscillating the oscillation rod 2; a process for making the oscillation rod 2 arrive at a pile arrival target depth P1 of the steel pipe pile 1 at a support layer G1 before the oscillation rod arrives at a preset rod deepest target depth P2; and a process for pressure-inserting the steel pipe pile 1 while oscillating and pulling up the oscillation rod 2 after the oscillation rod 2 arrives at the rod deepest target depth P2.SELECTED DRAWING: Figure 7
【課題】地盤等の施工条件に合わせて鋼管杭における閉塞状態を制御することができ、しかも施工性と支持力性能との向上をバランスよく達成できる。【解決手段】鋼管杭１の内側において最下段の第１閉塞板１１Ａよりも下方に振動ロッド２のロッド先端２ａを位置させ、振動ロッド２を振動させながら鋼管杭１を回転圧入する工程と、振動ロッド２が予め設定さえたロッド最深目標深度Ｐ２に到達する前に、支持層Ｇ１における鋼管杭１の杭到達目標深度Ｐ１に到達させる工程と、振動ロッド２がロッド最深目標深度Ｐ２に到達した後に、振動ロッド２を振動させながら引き上げつつ鋼管杭１を回転圧入する工程と、を有する回転圧入鋼管杭の施工方法を提供する。【選択図】図７
CONSTRUCTION METHOD OF ROTATION PRESSURE-INSERTION STEEL PIPE PILE
回転圧入鋼管杭の施工方法
MORIYASU SHUNSUKE (author) / MYONAKA SHINJI (author) / ISHIHAMA YOSHIRO (author) / KUSAKA HIROTAKA (author) / TANAKA HIROMASA (author)
2017-12-28
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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