A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
REMOVAL METHOD OF EXISTING PILE
PROBLEM TO BE SOLVED: To provide a removal method of an existing pile in which the pull-out work can easily be performed even if the existing pile has a large diameter or a long length, and the ground of the pull-out mark of the existing pile can be recovered to the uniform ground having a desired strength.SOLUTION: A removal method of an existing pile includes: a first step of pulling up the existing pile while supplying a stabilizing solution after performing edge cutting between the existing pile buried in the ground and the ground, and filling a pile hole formed in the mark removing the existing pile with the stabilizing solution; a second step of stirring the stabilizing solution in the depth direction in an original position, and supplying a muddy water solidification material after homogenizing a specific gravity of the stabilizing solution in the depth direction; and a third step of stirring and mixing the muddy water solidification material and the stabilizing solution in the depth direction in the original position, and curing and hardening a mixture after homogenizing the obtained specific gravity of the mixture in the depth direction.SELECTED DRAWING: Figure 1
【課題】大口径もしくは長大な既設杭であっても引き抜き作業を容易に行うことができ、かつ、既設杭の引き抜き跡の地盤を、所望の強度を有する一様な地盤に復元することの可能な、既設杭の撤去方法を提供する。【解決手段】地中に埋設されている既設杭と地盤との縁切りを行った後、安定液を供給しつつ既設杭を引き抜き、既設杭を撤去した跡に形成された杭孔を安定液にて充填する第１の工程と、安定液を原位置にて深度方向に撹拌し、安定液の比重を深度方向で均質にした後、泥水固化材を供給する第２の工程と、泥水固化材と安定液を原位置にて深度方向に撹拌混合し、得られた混合物の比重を深度方向で均質にした後、養生して硬化させる第３の工程と、を備える。【選択図】図１
REMOVAL METHOD OF EXISTING PILE
PROBLEM TO BE SOLVED: To provide a removal method of an existing pile in which the pull-out work can easily be performed even if the existing pile has a large diameter or a long length, and the ground of the pull-out mark of the existing pile can be recovered to the uniform ground having a desired strength.SOLUTION: A removal method of an existing pile includes: a first step of pulling up the existing pile while supplying a stabilizing solution after performing edge cutting between the existing pile buried in the ground and the ground, and filling a pile hole formed in the mark removing the existing pile with the stabilizing solution; a second step of stirring the stabilizing solution in the depth direction in an original position, and supplying a muddy water solidification material after homogenizing a specific gravity of the stabilizing solution in the depth direction; and a third step of stirring and mixing the muddy water solidification material and the stabilizing solution in the depth direction in the original position, and curing and hardening a mixture after homogenizing the obtained specific gravity of the mixture in the depth direction.SELECTED DRAWING: Figure 1
【課題】大口径もしくは長大な既設杭であっても引き抜き作業を容易に行うことができ、かつ、既設杭の引き抜き跡の地盤を、所望の強度を有する一様な地盤に復元することの可能な、既設杭の撤去方法を提供する。【解決手段】地中に埋設されている既設杭と地盤との縁切りを行った後、安定液を供給しつつ既設杭を引き抜き、既設杭を撤去した跡に形成された杭孔を安定液にて充填する第１の工程と、安定液を原位置にて深度方向に撹拌し、安定液の比重を深度方向で均質にした後、泥水固化材を供給する第２の工程と、泥水固化材と安定液を原位置にて深度方向に撹拌混合し、得られた混合物の比重を深度方向で均質にした後、養生して硬化させる第３の工程と、を備える。【選択図】図１
REMOVAL METHOD OF EXISTING PILE
既設杭の撤去方法
SATO SHINKO (author) / MAIDA YASUYUKI (author) / KANEKO TADASHI (author) / UMEZAKI MASAYOSHI (author)
2017-04-06
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
EXISTING PILE REMOVAL DEVICE AND EXISTING PILE REMOVAL METHOD
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| European Patent Office | 2022
EXISTING PILE REMOVAL DEVICE AND EXISTING PILE REMOVAL METHOD
| European Patent Office | 2022