Title:
STEEL PIPE SHEET PILE WELL FOUNDATION CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP2023086214
Kind Code:
A
Abstract:
To provide a steel pipe sheet pile well foundation construction method which can efficiently and inexpensively prevent a heave of an excavation bottom surface and floating of the whole well, even when an uplift pressure by artesian ground water of the ground is increased.SOLUTION: A steel pipe sheet pile well foundation construction method reinforces bottom plate concrete 21 in a well 10 formed by installing a large number of steel pipe sheet piles 11 into a ground G0 by burying a reinforcement assembly and is supported by a large number of studs extending and fastened to the inside of the concrete and from the steel pipe sheet piles by its whole side face, pumps underground water from the ground by each pump 71 of a plurality of deep wells 34 and lowers an uplift pressure of the ground, automatically controls each of the pumps on the basis of a water level detection result by each water level sensor 72, and automatically adjusts a pumping quantity by each of the pumps from each deep well, from at latest a start timing of an excavation step in the well.SELECTED DRAWING: Figure 2
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Inventors:
UEDA TAKUYA
YOROZUYA KEITA
TAMAI TATSUYA
SANO TSUNEYUKI
KAWASAKI MITSUHIRO
ENDO YUKIO
MIYAUCHI RIKU
YOROZUYA KEITA
TAMAI TATSUYA
SANO TSUNEYUKI
KAWASAKI MITSUHIRO
ENDO YUKIO
MIYAUCHI RIKU
Application Number:
JP2021200572A
Publication Date:
June 22, 2023
Filing Date:
December 10, 2021
Export Citation:
Assignee:
PENTA OCEAN CONSTRUCTION CO LTD
International Classes:
E02D27/30; E02D3/10; E02D19/10; E02D27/28
Attorney, Agent or Firm:
Keijiro Tamura
Kenichi Kobayashi
Kenichi Kobayashi