JP2018184823A - 地盤材料及び地盤改良方法 - Google Patents
地盤材料及び地盤改良方法 Download PDFInfo
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- JP2018184823A JP2018184823A JP2018016709A JP2018016709A JP2018184823A JP 2018184823 A JP2018184823 A JP 2018184823A JP 2018016709 A JP2018016709 A JP 2018016709A JP 2018016709 A JP2018016709 A JP 2018016709A JP 2018184823 A JP2018184823 A JP 2018184823A
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- 239000000463 material Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000006872 improvement Effects 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 83
- 239000008187 granular material Substances 0.000 claims abstract description 57
- 238000005482 strain hardening Methods 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims description 104
- 239000002893 slag Substances 0.000 claims description 94
- 239000004575 stone Substances 0.000 claims description 47
- 238000009628 steelmaking Methods 0.000 claims description 39
- 239000004568 cement Substances 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000010008 shearing Methods 0.000 claims description 17
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- 239000000376 reactant Substances 0.000 claims description 8
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- 230000006378 damage Effects 0.000 abstract description 6
- 230000035882 stress Effects 0.000 description 57
- 230000000052 comparative effect Effects 0.000 description 55
- 239000000853 adhesive Substances 0.000 description 35
- 230000001070 adhesive effect Effects 0.000 description 35
- 239000004927 clay Substances 0.000 description 35
- 238000007596 consolidation process Methods 0.000 description 19
- 239000011398 Portland cement Substances 0.000 description 17
- 238000009825 accumulation Methods 0.000 description 17
- 230000003247 decreasing effect Effects 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000012669 compression test Methods 0.000 description 11
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- 235000008733 Citrus aurantifolia Nutrition 0.000 description 6
- 235000011941 Tilia x europaea Nutrition 0.000 description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000004571 lime Substances 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
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- 238000010998 test method Methods 0.000 description 3
- 208000012868 Overgrowth Diseases 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
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- 235000019738 Limestone Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
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- 239000000571 coke Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
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- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
波形を入力する地震動に用いた。
Claims (11)
- 軟弱土が用いられる地盤材料であって、
軟弱土と粒状材とが含まれる混合体であり、
前記混合体は、圧密非排水下においてせん断力が作用するもとで、ひずみ硬化の挙動を示すものであること
を特徴とする地盤材料。 - 前記粒状材は、砕石が含まれること
を特徴とする請求項1記載の地盤材料。 - 前記混合体は、更にセメントが含まれること
を特徴とする請求項1又は2記載の地盤材料。 - 前記粒状材は、鉄鋼スラグが含まれること
を特徴とする請求項1〜3の何れか1項記載の地盤材料。 - 前記鉄鋼スラグは、製鋼スラグが含まれること
を特徴とする請求項4記載の地盤材料。 - 前記粒状材は、最大粒径が50mm超であること
を特徴とする請求項1〜5の何れか1項記載の地盤材料。 - 前記軟弱土は、浚渫土、掘削発生土、及び細粒土が少なくとも1種含まれること
を特徴とする請求項1〜6の何れか1項記載の地盤材料。 - 前記混合体は、更にポゾラン反応物質が含まれること
を特徴とする請求項3〜7の何れか1項記載の地盤材料。 - 前記ポゾラン反応物質は、フライアッシュ、又は高炉スラグ微粉末の何れかが含まれること
を特徴とする請求項8記載の地盤材料。 - 請求項1〜9の何れか1項記載の地盤材料を、土構造物に用いること
を特徴とする地盤改良方法。 - 前記土構造物は、道路盛土、鉄道盛土、防潮堤、河川堤防、裏込材、及び構造物の支持地盤の何れかであること
を特徴とする請求項10記載の地盤改良方法。
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JP2017087951 | 2017-04-27 | ||
JP2017087951 | 2017-04-27 |
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JP2018184823A true JP2018184823A (ja) | 2018-11-22 |
JP7238257B2 JP7238257B2 (ja) | 2023-03-14 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034327B1 (ja) * | 1970-05-07 | 1975-11-07 | ||
JPH0449315A (ja) * | 1990-06-15 | 1992-02-18 | Takenaka Komuten Co Ltd | 建設残土の有効利用法 |
JPH10338929A (ja) * | 1997-06-05 | 1998-12-22 | Chichibu Onoda Cement Corp | 軽量土工法 |
JP2003055952A (ja) * | 2001-08-13 | 2003-02-26 | Chugoku Electric Power Co Inc:The | 軟弱土壌の改質処理方法及び土質改良材 |
JP2007247201A (ja) * | 2006-03-15 | 2007-09-27 | Fujita Corp | 築堤土の製造方法及びフィルダムの堤体改修方法 |
JP2011122323A (ja) * | 2009-12-09 | 2011-06-23 | Taiheiyo Soil Corp | 軟弱土の処理方法 |
CN102774867A (zh) * | 2012-08-02 | 2012-11-14 | 中国科学院武汉岩土力学研究所 | 羟基铝膨胀土改良剂的合成方法及其应用 |
JP2014133782A (ja) * | 2013-01-08 | 2014-07-24 | Nippon Steel & Sumitomo Metal | 軟弱土改良材、これを用いた軟弱土の改良方法及び軟弱地盤の改良方法 |
JP2016094782A (ja) * | 2014-11-17 | 2016-05-26 | Jfeミネラル株式会社 | 地盤改良方法 |
CN106351099A (zh) * | 2016-08-24 | 2017-01-25 | 广西交通科学研究院 | 一种以内摩擦角为设计指标的沥青混合料矿料级配组成设计方法 |
-
2018
- 2018-02-01 JP JP2018016709A patent/JP7238257B2/ja active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5034327B1 (ja) * | 1970-05-07 | 1975-11-07 | ||
JPH0449315A (ja) * | 1990-06-15 | 1992-02-18 | Takenaka Komuten Co Ltd | 建設残土の有効利用法 |
JPH10338929A (ja) * | 1997-06-05 | 1998-12-22 | Chichibu Onoda Cement Corp | 軽量土工法 |
JP2003055952A (ja) * | 2001-08-13 | 2003-02-26 | Chugoku Electric Power Co Inc:The | 軟弱土壌の改質処理方法及び土質改良材 |
JP2007247201A (ja) * | 2006-03-15 | 2007-09-27 | Fujita Corp | 築堤土の製造方法及びフィルダムの堤体改修方法 |
JP2011122323A (ja) * | 2009-12-09 | 2011-06-23 | Taiheiyo Soil Corp | 軟弱土の処理方法 |
CN102774867A (zh) * | 2012-08-02 | 2012-11-14 | 中国科学院武汉岩土力学研究所 | 羟基铝膨胀土改良剂的合成方法及其应用 |
JP2014133782A (ja) * | 2013-01-08 | 2014-07-24 | Nippon Steel & Sumitomo Metal | 軟弱土改良材、これを用いた軟弱土の改良方法及び軟弱地盤の改良方法 |
JP2016094782A (ja) * | 2014-11-17 | 2016-05-26 | Jfeミネラル株式会社 | 地盤改良方法 |
CN106351099A (zh) * | 2016-08-24 | 2017-01-25 | 广西交通科学研究院 | 一种以内摩擦角为设计指标的沥青混合料矿料级配组成设计方法 |
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