A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND DISPLACEMENT SUPPRESSION METHOD AND DISPLACEMENT ABSORPTION PILE
To provide a ground displacement suppression method and a displacement absorption pile capable of improving displacement absorption efficiency and facilitating restoration at a construction site.SOLUTION: A ground displacement suppression method comprises a step arranging a displacement absorption pile 2 for absorbing displacement between a ground improvement area and an adjacent existing structure or peripheral ground to suppress ground displacement and vibration associated with ground improvement using the displacement absorption pile 2, wherein the displacement absorption pile 2 is shaped in an elastic pile shape, of which a part is pushed out to the ground surface side through absorbing the ground displacement and vibration associated with the ground improvement. The displacement absorption pile 2 is produced by: a step penetrating it to a predetermined depth excavating the ground with a penetrating member to be operated up and down and be rotated using injection treatment liquid which is treated by mixing high water-absorbing polymer with water to a gel state as well as is treated to allow its transportation through a piping with a pressure pump by mixing a fluidization agent; and a step injecting and mix or impregnating the injection treatment liquid to a previously positioned soil loosened by excavation in a process of the impregnating and/or pulling out.SELECTED DRAWING: Figure 5
【課題】より吸収効率を向上し、また、現場回復も容易に行えるような地盤変位抑制方法及び変位吸収杭を提供する。【解決手段】地盤改良域と隣接する既設構造物又は周辺地盤との間に変位吸収用の変位吸収杭２を設け、該変位吸収杭２により地盤改良に伴う地盤変位や振動を抑制する地盤変位抑制方法において、変位吸収杭２は、弾性杭状をなし、地盤改良に伴う地盤変位や振動の吸収により一部が地表側へ押し出される。また、変位吸収杭２は、高吸水性高分子を水に混ぜてゲル状に処理すると共に、流動化剤を混入して圧送ポンプにより配管を通して移送可能に処理した注入処理液を用い、昇降及び回転される貫入部材により地盤を掘削しながら所定深さまで貫入し、該貫入又は／及び引き抜き過程で掘削によりほぐされる原位置土に前記注入処理液を吐出して混入ないしは含浸させることで作成される。【選択図】図５
GROUND DISPLACEMENT SUPPRESSION METHOD AND DISPLACEMENT ABSORPTION PILE
To provide a ground displacement suppression method and a displacement absorption pile capable of improving displacement absorption efficiency and facilitating restoration at a construction site.SOLUTION: A ground displacement suppression method comprises a step arranging a displacement absorption pile 2 for absorbing displacement between a ground improvement area and an adjacent existing structure or peripheral ground to suppress ground displacement and vibration associated with ground improvement using the displacement absorption pile 2, wherein the displacement absorption pile 2 is shaped in an elastic pile shape, of which a part is pushed out to the ground surface side through absorbing the ground displacement and vibration associated with the ground improvement. The displacement absorption pile 2 is produced by: a step penetrating it to a predetermined depth excavating the ground with a penetrating member to be operated up and down and be rotated using injection treatment liquid which is treated by mixing high water-absorbing polymer with water to a gel state as well as is treated to allow its transportation through a piping with a pressure pump by mixing a fluidization agent; and a step injecting and mix or impregnating the injection treatment liquid to a previously positioned soil loosened by excavation in a process of the impregnating and/or pulling out.SELECTED DRAWING: Figure 5
【課題】より吸収効率を向上し、また、現場回復も容易に行えるような地盤変位抑制方法及び変位吸収杭を提供する。【解決手段】地盤改良域と隣接する既設構造物又は周辺地盤との間に変位吸収用の変位吸収杭２を設け、該変位吸収杭２により地盤改良に伴う地盤変位や振動を抑制する地盤変位抑制方法において、変位吸収杭２は、弾性杭状をなし、地盤改良に伴う地盤変位や振動の吸収により一部が地表側へ押し出される。また、変位吸収杭２は、高吸水性高分子を水に混ぜてゲル状に処理すると共に、流動化剤を混入して圧送ポンプにより配管を通して移送可能に処理した注入処理液を用い、昇降及び回転される貫入部材により地盤を掘削しながら所定深さまで貫入し、該貫入又は／及び引き抜き過程で掘削によりほぐされる原位置土に前記注入処理液を吐出して混入ないしは含浸させることで作成される。【選択図】図５
GROUND DISPLACEMENT SUPPRESSION METHOD AND DISPLACEMENT ABSORPTION PILE
地盤変位抑制方法及び変位吸収杭
WATANABE EIJI (author) / YABE HIROSHI (author) / NAGAISHI MASAHIRO (author) / TAKADA HIDENORI (author) / TOMITA AKIHIRO (author)
2020-05-07
Patent
Electronic Resource
Japanese
IPC:
E02D
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