JP2015137505A - 砂礫固化体形成方法、並びに陸域保全方法 - Google Patents
砂礫固化体形成方法、並びに陸域保全方法 Download PDFInfo
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Abstract
【解決手段】水位低下時に海水が海洋から略隔離され、かつカルシウム含有砂礫が保持された汀線近傍の半閉鎖領域に、有機酸を供給する砂礫固化体形成方法を提供する。汀線近傍の半閉鎖領域に有機成分又は有機成分含有物を存在させ、その領域に有機酸を供給することで、自然環境におけるよりも短期間にビーチロック様の砂礫固化体を形成できる。従って、汀線近傍域などに砂礫固化体を、低労力かつ低コストに形成することが可能であり、低労力かつ低コストに陸域を保全できる。また、砂礫固化体を形成しても、原則的に、自然環境に影響しない。この砂礫固化反応は、汀線近傍の半閉鎖領域に平均粒径1mm以下のカルシウム含有砕屑粒子を供給することにより、大幅に促進できる。
【選択図】なし
Description
以下、本発明に係る砂礫固化体形成方法を例示する。なお、本発明に係る砂礫固化体形成方法は、少なくとも、水位低下時に海水が海洋から略隔離され、かつカルシウム含有砂礫が保持された汀線近傍の半閉鎖的領域に、有機酸を供給する工程を含むものを全て包含し、以下の実施態様を全て包含するもののみに狭く限定されない。また、例えば、他の工程が含まれること、一部の工程の順序が異なること、一部の工程が含まれないことなどによって、狭く限定されない。
本発明は、上述のいずれかの砂礫固化体形成方法によって、汀線近傍域に砂礫固化物を形成させる陸域保全方法を全て包含する。
Claims (7)
- 水位低下時に海水が海洋から略隔離され、かつカルシウム含有砂礫が保持された汀線近傍の半閉鎖的領域に、有機酸を供給する砂礫固化体形成方法。
- 前記汀線近傍の半閉鎖的領域に有機成分又は有機成分含有物を存在させることで該領域に前記有機酸を供給する請求項1記載の砂礫固化体形成方法。
- 前記汀線近傍の半閉鎖的領域に平均粒径1mm以下のカルシウム含有砕屑粒子を供給する請求項1又は請求項2記載の砂礫固化体形成方法。
- 潮汐による海水面の変動によって砂礫固化の進行が促進される請求項1〜3のいずれか一項記載の砂礫固化体形成方法。
- 前記有機成分が高分子物質である請求項2〜4のいずれか一項記載の砂礫固化体形成方法。
- 前記有機成分がタンパク質、多糖類、脂質、若しくはそれらのうちのいずれか又は複数の分解生産物である請求項2〜5のいずれか一項記載の砂礫固化体形成方法。
- 請求項1〜6のいずれか一項記載の砂礫固化体形成方法によって、汀線近傍域に砂礫固化物を形成させる陸域保全方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017186811A (ja) * | 2016-04-07 | 2017-10-12 | 国立大学法人 東京大学 | 砂礫固化体形成方法、並びに陸域保全方法 |
JP6489569B1 (ja) * | 2018-06-29 | 2019-03-27 | 強化土エンジニヤリング株式会社 | 地盤改良工法 |
Citations (10)
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JPH03183813A (ja) * | 1989-12-14 | 1991-08-09 | Chiyoda Corp | 干潟造成方法 |
US5514412A (en) * | 1995-09-05 | 1996-05-07 | Mcardle; Blaise | Method of stabilizing soil, beaches and roads |
JPH11293643A (ja) * | 1998-04-07 | 1999-10-26 | Kajima Corp | 干潟造成台付き護岸 |
JP2002138434A (ja) * | 2000-11-01 | 2002-05-14 | Kajima Corp | 閉鎖性水域の干潟造成方法 |
JP2004183256A (ja) * | 2002-11-29 | 2004-07-02 | Eco Project:Kk | 砂地表面の成形・固化による飛砂防止工法 |
JP2007014872A (ja) * | 2005-07-07 | 2007-01-25 | Chugoku Electric Power Co Inc:The | 感潮河川の泥質・水質の改善方法及びこれに使用する浸透柱 |
JP2007046275A (ja) * | 2005-08-08 | 2007-02-22 | Penta Ocean Constr Co Ltd | 海浜侵食抑制材料及び海浜侵食抑制方法 |
JP2008008023A (ja) * | 2006-06-29 | 2008-01-17 | Hokkaido Univ | 微生物を用いたカルシウムを含む地盤の固結方法 |
JP2008121263A (ja) * | 2006-11-10 | 2008-05-29 | Shiima Consultant:Kk | 干潟土壌改良工法 |
JP2009001961A (ja) * | 2007-06-19 | 2009-01-08 | Chugoku Electric Power Co Inc:The | 汚泥が堆積する河川干潟の親水性向上方法及びこれに使用する親水性土構造材 |
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2014
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03183813A (ja) * | 1989-12-14 | 1991-08-09 | Chiyoda Corp | 干潟造成方法 |
US5514412A (en) * | 1995-09-05 | 1996-05-07 | Mcardle; Blaise | Method of stabilizing soil, beaches and roads |
JPH11293643A (ja) * | 1998-04-07 | 1999-10-26 | Kajima Corp | 干潟造成台付き護岸 |
JP2002138434A (ja) * | 2000-11-01 | 2002-05-14 | Kajima Corp | 閉鎖性水域の干潟造成方法 |
JP2004183256A (ja) * | 2002-11-29 | 2004-07-02 | Eco Project:Kk | 砂地表面の成形・固化による飛砂防止工法 |
JP2007014872A (ja) * | 2005-07-07 | 2007-01-25 | Chugoku Electric Power Co Inc:The | 感潮河川の泥質・水質の改善方法及びこれに使用する浸透柱 |
JP2007046275A (ja) * | 2005-08-08 | 2007-02-22 | Penta Ocean Constr Co Ltd | 海浜侵食抑制材料及び海浜侵食抑制方法 |
JP2008008023A (ja) * | 2006-06-29 | 2008-01-17 | Hokkaido Univ | 微生物を用いたカルシウムを含む地盤の固結方法 |
JP2008121263A (ja) * | 2006-11-10 | 2008-05-29 | Shiima Consultant:Kk | 干潟土壌改良工法 |
JP2009001961A (ja) * | 2007-06-19 | 2009-01-08 | Chugoku Electric Power Co Inc:The | 汚泥が堆積する河川干潟の親水性向上方法及びこれに使用する親水性土構造材 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017186811A (ja) * | 2016-04-07 | 2017-10-12 | 国立大学法人 東京大学 | 砂礫固化体形成方法、並びに陸域保全方法 |
JP6489569B1 (ja) * | 2018-06-29 | 2019-03-27 | 強化土エンジニヤリング株式会社 | 地盤改良工法 |
JP2020007897A (ja) * | 2018-06-29 | 2020-01-16 | 強化土エンジニヤリング株式会社 | 地盤改良工法 |
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