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CONSTRUCTION METHOD OF STEEL PIPE PILE, AND STEEL PIPE PILE FOUNDATION
To provide a construction method of a steel pipe pile that can ensure a necessary bearing capacity even when an embedded depth into a supporting layer is short.SOLUTION: In a construction method of a steel pipe pile in which a steel pipe pile 1 comprising a steel pipe body with an open tip portion and a blockage promoting member 5 on an inner surface of the tip portion of the steel pipe body 1A penetrates a ground: an in-pipe soil volume adjustment device 3 for adjusting an in-pipe soil volume inside the steel pipe body 1A is controlled until the tip of the steel pipe body 1A reaches a supporting layer G2 of the ground G; and the tip of the steel pipe body 1A penetrates the supporting layer G2 to a depth of at least 0.7 times an outer diameter dimension of the steel pipe body 1A.SELECTED DRAWING: Figure 5
【課題】支持層への根入れ深さが短い場合であっても必要な支持力を確保できる鋼管杭の施工方法を提供する。【解決手段】実施形態における鋼管杭の施工方法は、先端部が開放された鋼管本体と、鋼管本体１Ａの先端部の内面に閉塞促進部材５を備える鋼管杭１を地盤に貫入する鋼管杭の施工方法であって、鋼管本体１Ａの先端が地盤Ｇの支持層Ｇ２に到達するまでは鋼管本体１Ａの管内土量を調整するための管内土量調整装置３を制御し、鋼管本体１Ａの外径寸法の０．７倍以上の深さまで、鋼管本体１Ａの先端を支持層Ｇ２に貫入する。【選択図】図５
CONSTRUCTION METHOD OF STEEL PIPE PILE, AND STEEL PIPE PILE FOUNDATION
To provide a construction method of a steel pipe pile that can ensure a necessary bearing capacity even when an embedded depth into a supporting layer is short.SOLUTION: In a construction method of a steel pipe pile in which a steel pipe pile 1 comprising a steel pipe body with an open tip portion and a blockage promoting member 5 on an inner surface of the tip portion of the steel pipe body 1A penetrates a ground: an in-pipe soil volume adjustment device 3 for adjusting an in-pipe soil volume inside the steel pipe body 1A is controlled until the tip of the steel pipe body 1A reaches a supporting layer G2 of the ground G; and the tip of the steel pipe body 1A penetrates the supporting layer G2 to a depth of at least 0.7 times an outer diameter dimension of the steel pipe body 1A.SELECTED DRAWING: Figure 5
【課題】支持層への根入れ深さが短い場合であっても必要な支持力を確保できる鋼管杭の施工方法を提供する。【解決手段】実施形態における鋼管杭の施工方法は、先端部が開放された鋼管本体と、鋼管本体１Ａの先端部の内面に閉塞促進部材５を備える鋼管杭１を地盤に貫入する鋼管杭の施工方法であって、鋼管本体１Ａの先端が地盤Ｇの支持層Ｇ２に到達するまでは鋼管本体１Ａの管内土量を調整するための管内土量調整装置３を制御し、鋼管本体１Ａの外径寸法の０．７倍以上の深さまで、鋼管本体１Ａの先端を支持層Ｇ２に貫入する。【選択図】図５
CONSTRUCTION METHOD OF STEEL PIPE PILE, AND STEEL PIPE PILE FOUNDATION
鋼管杭の施工方法及び鋼管杭基礎
OMAE NORIMORI (author) / AGATA ATSUSHI (author) / SUZUKI KENGO (author) / TODA KAZUHIDE (author) / SAWAISHI MASAMICHI (author) / SHOJI TOMOYUKI (author) / NAGAURA TAKAAKI (author)
2024-10-01
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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