JP4859458B2 - 改良残土の敷地内処理システム - Google Patents
改良残土の敷地内処理システム Download PDFInfo
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- JP4859458B2 JP4859458B2 JP2005379960A JP2005379960A JP4859458B2 JP 4859458 B2 JP4859458 B2 JP 4859458B2 JP 2005379960 A JP2005379960 A JP 2005379960A JP 2005379960 A JP2005379960 A JP 2005379960A JP 4859458 B2 JP4859458 B2 JP 4859458B2
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- residual soil
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Description
「土と基礎」2003.11 Vol.51 No.11 Ser.NO.550 「セメント改良土に起因する六価クロム溶出の特徴」
11 住宅建築物(建築物)
11a 住宅建築物の基礎
12 柱状固結体
13 改良残土
14 埋設処理施設
15 凹部
16 透水性シート材料
17 重金属吸着層
18 中間覆土層
19 砕石層
Claims (5)
- セメント又はセメント系固化材を使用した地盤改良工によって発生する改良残土を建築物の敷地内において処理する改良残土の敷地内処理システムであって、
前記建築物の敷地内の地中に前記改良残土を埋設して処理する埋設処理施設を備えており、
該埋設処理施設は、前記地中に掘削形成した凹部の底面に透水性シート材料を敷設すると共に、該透水性シート材料によって下方地盤への流失を阻止した状態で、重金属の吸着不溶化剤からなる重金属吸着層を設け、該重金属吸着層の上方に、強アルカリ性の通過水に対するアルカリ低減機能を有する中間覆土層を設け、該中間覆土層の上方に前記改良残土を敷き均すことによって構成される改良残土の敷地内処理システム。 - 前記埋設処理施設は、建築物の基礎の下方部分に設けられる請求項1に記載の改良残土の敷地内処理システム。
- 前記重金属吸着層によって吸着される重金属が、六価クロムである請求項1又は2に記載の改良残土の敷地内処理システム。
- 前記中間覆土層の厚さが5〜50cmである請求項1〜3のいずれかに記載の改良残土の敷地内処理システム。
- 該中間覆土層のpHが5.8〜8.6である請求項1〜4のいずれかに記載の改良残土の敷地内処理システム。
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JP2005379960A JP4859458B2 (ja) | 2005-12-28 | 2005-12-28 | 改良残土の敷地内処理システム |
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JP2005379960A JP4859458B2 (ja) | 2005-12-28 | 2005-12-28 | 改良残土の敷地内処理システム |
Publications (2)
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JP2007175674A JP2007175674A (ja) | 2007-07-12 |
JP4859458B2 true JP4859458B2 (ja) | 2012-01-25 |
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JP2005379960A Expired - Fee Related JP4859458B2 (ja) | 2005-12-28 | 2005-12-28 | 改良残土の敷地内処理システム |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009279550A (ja) * | 2008-05-26 | 2009-12-03 | Kankyo Succeed Co Ltd | 汚染土壌内の汚染物質浄化装置及び該浄化装置を使用した浄化方法 |
JP6914166B2 (ja) * | 2017-10-30 | 2021-08-04 | 清水建設株式会社 | 盛土構造、吸着層の性能維持方法、及び重金属の漏洩抑制方法 |
CN109290333A (zh) * | 2018-11-16 | 2019-02-01 | 梅州市华智星技术服务有限公司 | 一种铬渣填埋处理的综合应用方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5236871A (en) * | 1975-09-18 | 1977-03-22 | Konoike Constr Ltd | Method for rendering hexavalent chromium pollued soil harmless |
JP3309291B2 (ja) * | 1993-06-28 | 2002-07-29 | 清水建設株式会社 | 汚染土壌の処理方法 |
JP4076510B2 (ja) * | 2003-02-05 | 2008-04-16 | 石原産業株式会社 | 環境浄化方法 |
JP2004346713A (ja) * | 2003-05-19 | 2004-12-09 | Shinano Kensetsu Kk | 土地の浄化造成方法 |
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