JP6412691B2 - 塩分及び水分を含有する堆積土の土質を改良する土質改良材、及び、土質改良方法 - Google Patents
塩分及び水分を含有する堆積土の土質を改良する土質改良材、及び、土質改良方法 Download PDFInfo
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- JP6412691B2 JP6412691B2 JP2013259225A JP2013259225A JP6412691B2 JP 6412691 B2 JP6412691 B2 JP 6412691B2 JP 2013259225 A JP2013259225 A JP 2013259225A JP 2013259225 A JP2013259225 A JP 2013259225A JP 6412691 B2 JP6412691 B2 JP 6412691B2
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Claims (5)
- 塩分及び水分を含有する堆積土の土質を改良する土質改良材であって、
カルシウムイオン及び硫酸イオンの供給源となる水溶性成分が、吸水性を有する多孔質粒状体に保持されてなり、前記多孔質粒状体は、PS灰造粒物、又は珪藻土を焼成して得られた多孔質粒子であることを特徴とする土質改良材。 - 前記多孔質粒状体が、PS灰に固化材と水を添加及び混合して造粒されたPS灰造粒物であることを特徴とする請求項1に記載の土質改良剤。
- 塩分及び水分を含有する堆積土の土質を改良する土質改良方法であって、
カルシウムイオン及び硫酸イオンの供給源となる水溶性成分が吸水性を有する多孔質粒状体に保持されてなり、前記多孔質粒状体は、PS灰造粒物、又は珪藻土を焼成して得られた多孔質粒子である土質改良材を、前記堆積土に混合することを特徴とする土質改良方法。 - 前記土質改良材の前記堆積土への混合量を、重量比1の乾燥混合土に対して重量比5の純水を添加した際の液中硫酸イオン濃度が124mg/L以上となり、かつ、カルシウムイオン濃度が52mg/L以上となるように定めたことを特徴とする請求項3に記載の土質改良方法。
- 前記土質改良材を前記堆積土に対し、曝気しつつ混合することを特徴とする請求項3又は4に記載の土質改良方法。
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JP2013259225A JP6412691B2 (ja) | 2013-12-16 | 2013-12-16 | 塩分及び水分を含有する堆積土の土質を改良する土質改良材、及び、土質改良方法 |
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JP2015113459A JP2015113459A (ja) | 2015-06-22 |
JP6412691B2 true JP6412691B2 (ja) | 2018-10-24 |
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JP6773409B2 (ja) * | 2015-12-01 | 2020-10-21 | 五洋建設株式会社 | 粘性土の除塩方法および改良方法 |
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JP2008050522A (ja) * | 2006-08-28 | 2008-03-06 | Katayama Chem Works Co Ltd | 土壌改良剤およびそれを用いた土壌改良方法 |
CN101456778A (zh) * | 2008-12-31 | 2009-06-17 | 沈阳农业大学 | Ca2+信号转导型盐碱改良剂 |
CN101591543B (zh) * | 2009-04-29 | 2012-04-11 | 新疆满疆红农资化肥科技有限公司 | 一种有机增效型土壤改良剂的制备方法 |
KR101232284B1 (ko) * | 2012-12-13 | 2013-02-12 | 김정호 | 염해지용 토양 개량제 및 이의 제조방법 |
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