JP2020169534A - 地盤改良方法 - Google Patents
地盤改良方法 Download PDFInfo
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- JP2020169534A JP2020169534A JP2019072918A JP2019072918A JP2020169534A JP 2020169534 A JP2020169534 A JP 2020169534A JP 2019072918 A JP2019072918 A JP 2019072918A JP 2019072918 A JP2019072918 A JP 2019072918A JP 2020169534 A JP2020169534 A JP 2020169534A
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隣接する前記バーチカルドレーン同士の中間付近の地盤に、前記ドレーン施工機材によって長尺な空のケーシングパイプを鉛直方向に打設して周囲の地盤を加圧する工程を含むことを特徴としている。
2 バーチカルドレーン
3 ケーシングパイプ
Claims (2)
- 改良すべき地盤に、非排土式のドレーン施工機材によって複数のバーチカルドレーンを形成し、このバーチカルドレーンから地盤中の間隙水を排出する地盤改良方法であって、
隣接する前記バーチカルドレーン同士の中間付近の地盤に、前記ドレーン施工機材によって長尺な空のケーシングパイプを鉛直方向に打設して周囲の地盤を加圧する工程を含むことを特徴とする地盤改良方法。 - 前記ドレーン施工機材はバイブロハンマーを備え、前記ケーシングパイプを打設する際のバイブロハンマーによる振動によって、前記バーチカルドレーンの周辺に地盤中の水分を集めることを特徴とする請求項1の地盤改良方法。
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JP2020169534A true JP2020169534A (ja) | 2020-10-15 |
JP7271836B2 JP7271836B2 (ja) | 2023-05-12 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665914A (ja) * | 1992-08-18 | 1994-03-08 | Penta Ocean Constr Co Ltd | 地盤の締固め工法 |
JP2015081480A (ja) * | 2013-10-24 | 2015-04-27 | 五洋建設株式会社 | 吸水振動締め固め工法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0665914A (ja) * | 1992-08-18 | 1994-03-08 | Penta Ocean Constr Co Ltd | 地盤の締固め工法 |
JP2015081480A (ja) * | 2013-10-24 | 2015-04-27 | 五洋建設株式会社 | 吸水振動締め固め工法 |
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