JP7190137B2 - 汚染土壌の改良と上載構造物の基礎を同時に施工する方法 - Google Patents
汚染土壌の改良と上載構造物の基礎を同時に施工する方法 Download PDFInfo
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- JP7190137B2 JP7190137B2 JP2019013573A JP2019013573A JP7190137B2 JP 7190137 B2 JP7190137 B2 JP 7190137B2 JP 2019013573 A JP2019013573 A JP 2019013573A JP 2019013573 A JP2019013573 A JP 2019013573A JP 7190137 B2 JP7190137 B2 JP 7190137B2
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- soil
- construction method
- contaminated soil
- foundation
- gypsum
- Prior art date
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- 239000002689 soil Substances 0.000 title claims description 83
- 238000010276 construction Methods 0.000 title claims description 41
- 239000000463 material Substances 0.000 claims description 19
- 239000011398 Portland cement Substances 0.000 claims description 18
- 239000010440 gypsum Substances 0.000 claims description 18
- 229910052602 gypsum Inorganic materials 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 description 28
- 239000003516 soil conditioner Substances 0.000 description 15
- 238000002156 mixing Methods 0.000 description 11
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001784 detoxification Methods 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001653 ettringite Inorganic materials 0.000 description 2
- 239000003864 humus Substances 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
汚染土壌に対して、高炉スラグ、ポルトランドセメントおよび石膏を主成分として含む土壌改良材を投入し、混合攪拌する土壌改良工程、および、
前記土壌改良材によって、地中に、杭状のソイルセメントコラムからなる基礎を構築する基礎構築工程
を含むことを特徴としている。
汚染土壌に対して、高炉スラグ、ポルトランドセメントおよび石膏を主成分として含む土壌改良材を投入し、混合攪拌する土壌改良工程、および、
土壌改良材によって、地中に、杭状のソイルセメントコラムからなる基礎を構築する基礎構築工程
を含む。
Claims (1)
- 汚染土壌の改良と上載構造物を支持する基礎の構築とを同時に行う施工方法であって、
汚染土壌に対して、高炉スラグ、ポルトランドセメントおよび石膏を主成分として含み、前記高炉スラグが35重量%~47.5重量%、前記ポルトランドセメントが35重量%~47.5重量%および前記石膏が5重量%~30重量%の範囲で配合されている土壌改良材を投入して混合攪拌し、その後、前記汚染土壌を囲むように防水壁を施工する土壌改良工程、および、
前記土壌改良材によって、地中に、杭状のソイルセメントコラムからなる基礎を構築する基礎構築工程
を含むことを特徴とする施工方法。
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JP2019013573A JP7190137B2 (ja) | 2019-01-29 | 2019-01-29 | 汚染土壌の改良と上載構造物の基礎を同時に施工する方法 |
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JP2019013573A JP7190137B2 (ja) | 2019-01-29 | 2019-01-29 | 汚染土壌の改良と上載構造物の基礎を同時に施工する方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020122293A JP2020122293A (ja) | 2020-08-13 |
JP7190137B2 true JP7190137B2 (ja) | 2022-12-15 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000008365A (ja) | 1998-06-23 | 2000-01-11 | Nit Co Ltd | 地盤改良工法 |
JP2001348571A (ja) | 2000-06-07 | 2001-12-18 | Taiheiyo Cement Corp | 地盤改良材 |
JP2004041942A (ja) | 2002-07-12 | 2004-02-12 | Earth Create Office Co Ltd | セメント系固化材およびこれを用いた固化処理方法 |
JP2007222694A (ja) | 2005-12-19 | 2007-09-06 | Ube Ind Ltd | 重金属汚染土壌用セメント系処理材およびそれを用いた固化不溶化処理方法 |
JP2010159347A (ja) | 2009-01-08 | 2010-07-22 | Tokuyama Corp | 土壌固化材 |
JP2012046704A (ja) | 2010-08-30 | 2012-03-08 | Mitsubishi Materials Corp | 固化材 |
JP2015020924A (ja) | 2013-07-18 | 2015-02-02 | 株式会社竹中工務店 | 高炉スラグ含有セメントスラリー組成物及びこれを用いたソイルセメントスラリーの調製方法 |
JP2015025137A (ja) | 2014-10-09 | 2015-02-05 | 国立大学法人東京工業大学 | セメント組成物及び土壌改良方法 |
JP2018178672A (ja) | 2017-04-21 | 2018-11-15 | 花王株式会社 | 地盤の改良工法 |
-
2019
- 2019-01-29 JP JP2019013573A patent/JP7190137B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000008365A (ja) | 1998-06-23 | 2000-01-11 | Nit Co Ltd | 地盤改良工法 |
JP2001348571A (ja) | 2000-06-07 | 2001-12-18 | Taiheiyo Cement Corp | 地盤改良材 |
JP2004041942A (ja) | 2002-07-12 | 2004-02-12 | Earth Create Office Co Ltd | セメント系固化材およびこれを用いた固化処理方法 |
JP2007222694A (ja) | 2005-12-19 | 2007-09-06 | Ube Ind Ltd | 重金属汚染土壌用セメント系処理材およびそれを用いた固化不溶化処理方法 |
JP2010159347A (ja) | 2009-01-08 | 2010-07-22 | Tokuyama Corp | 土壌固化材 |
JP2012046704A (ja) | 2010-08-30 | 2012-03-08 | Mitsubishi Materials Corp | 固化材 |
JP2015020924A (ja) | 2013-07-18 | 2015-02-02 | 株式会社竹中工務店 | 高炉スラグ含有セメントスラリー組成物及びこれを用いたソイルセメントスラリーの調製方法 |
JP2015025137A (ja) | 2014-10-09 | 2015-02-05 | 国立大学法人東京工業大学 | セメント組成物及び土壌改良方法 |
JP2018178672A (ja) | 2017-04-21 | 2018-11-15 | 花王株式会社 | 地盤の改良工法 |
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