JP5656139B2 - 地盤改良土および地盤改良方法 - Google Patents
地盤改良土および地盤改良方法 Download PDFInfo
- Publication number
- JP5656139B2 JP5656139B2 JP2008054776A JP2008054776A JP5656139B2 JP 5656139 B2 JP5656139 B2 JP 5656139B2 JP 2008054776 A JP2008054776 A JP 2008054776A JP 2008054776 A JP2008054776 A JP 2008054776A JP 5656139 B2 JP5656139 B2 JP 5656139B2
- Authority
- JP
- Japan
- Prior art keywords
- ground improvement
- soil
- strength
- weight
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims description 75
- 238000000034 method Methods 0.000 title claims description 29
- 239000000463 material Substances 0.000 claims description 98
- 238000002156 mixing Methods 0.000 claims description 90
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 64
- 239000000920 calcium hydroxide Substances 0.000 claims description 61
- 235000011116 calcium hydroxide Nutrition 0.000 claims description 61
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 61
- 239000002893 slag Substances 0.000 claims description 58
- 238000007711 solidification Methods 0.000 claims description 34
- 230000008023 solidification Effects 0.000 claims description 34
- 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 claims description 33
- 239000004927 clay Substances 0.000 claims description 29
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 22
- 239000005995 Aluminium silicate Substances 0.000 claims description 20
- 235000012211 aluminium silicate Nutrition 0.000 claims description 20
- 238000006703 hydration reaction Methods 0.000 claims description 10
- 238000004898 kneading Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 77
- 239000010440 gypsum Substances 0.000 description 42
- 229910052602 gypsum Inorganic materials 0.000 description 42
- 238000009472 formulation Methods 0.000 description 33
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 29
- 150000004683 dihydrates Chemical class 0.000 description 28
- 239000004568 cement Substances 0.000 description 26
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 25
- 238000010828 elution Methods 0.000 description 18
- 229910001583 allophane Inorganic materials 0.000 description 13
- 239000000292 calcium oxide Substances 0.000 description 12
- 235000012255 calcium oxide Nutrition 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000013329 compounding Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000012669 compression test Methods 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002734 clay mineral Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KSPIHGBHKVISFI-UHFFFAOYSA-N Diphenylcarbazide Chemical compound C=1C=CC=CC=1NNC(=O)NNC1=CC=CC=C1 KSPIHGBHKVISFI-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 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
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007922 dissolution test Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000004021 humic acid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
まず、本実施例の地盤改良用固化材と比較するために、従来のセメント系固化材をカオリン粘土に混合した配合例A〜Dの配合及び結果を表3に示す。
次に、配合例1〜6の配合及び結果を表4に示す。
次に、配合例7〜13の配合及び結果を表5に示す。
次に、配合例14〜21の配合及び結果を表6に示す。
表8に、配合例22〜29の配合及び結果を示す。
Claims (2)
- カオリン系の粘性土と地盤改良用固化材とが混練されて水和反応を生じて形成される地盤改良土であって、
前記カオリン系の粘性土100重量部に対して、地盤改良用固化材6.5〜25重量部が配合され、当該地盤改良用固化材は、4週目の一軸圧縮強度が800kN/m2以上になるように、高炉スラグ100重量部に対して、消石灰25〜100重量部と、半水石膏12.5〜50重量部と、が配合されたものであることを特徴とする地盤改良土。 - カオリン系の粘性土と地盤改良用固化材とを混練する地盤改良方法であって、
前記カオリン系の粘性土100重量部に対して、請求項1に記載の地盤改良用固化材6.5〜25重量部を混入し、撹拌することを特徴とする地盤改良方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008054776A JP5656139B2 (ja) | 2008-03-05 | 2008-03-05 | 地盤改良土および地盤改良方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008054776A JP5656139B2 (ja) | 2008-03-05 | 2008-03-05 | 地盤改良土および地盤改良方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013084150A Division JP5830792B2 (ja) | 2013-04-12 | 2013-04-12 | 地盤改良土および地盤改良方法 |
JP2014183517A Division JP5862911B2 (ja) | 2014-09-09 | 2014-09-09 | 地盤改良土および地盤改良方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009209283A JP2009209283A (ja) | 2009-09-17 |
JP5656139B2 true JP5656139B2 (ja) | 2015-01-21 |
Family
ID=41182756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008054776A Active JP5656139B2 (ja) | 2008-03-05 | 2008-03-05 | 地盤改良土および地盤改良方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5656139B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5665071B2 (ja) * | 2009-11-09 | 2015-02-04 | 学校法人福岡大学 | フッ素を含む汚染土壌を修復するための土壌改良材の製造方法および土壌改良材ならびにこれを用いた汚染土壌の修復方法 |
JP2021127647A (ja) * | 2020-02-17 | 2021-09-02 | 三菱マテリアル株式会社 | 供試体作製方法の選定方法及び供試体作製方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5418113A (en) * | 1977-07-12 | 1979-02-09 | Sumitomo Metal Ind | Material of improving ground |
JPS54113910A (en) * | 1978-02-24 | 1979-09-05 | Onoda Cement Co Ltd | Improving material of organic matter soft ground |
JPS55155086A (en) * | 1979-05-24 | 1980-12-03 | Sumitomo Metal Ind Ltd | Ground conditioner |
JPH09279142A (ja) * | 1996-04-15 | 1997-10-28 | Murakashi Sekkai Kogyo Kk | 土質安定処理用固化材 |
JP4505064B2 (ja) * | 1998-02-16 | 2010-07-14 | 三井化学株式会社 | 地盤固結改良剤 |
JP2000178555A (ja) * | 1998-12-16 | 2000-06-27 | Okayama Prefecture Kyodo Sekkai Kk | 土質安定材の製造方法 |
JP2004315662A (ja) * | 2003-04-16 | 2004-11-11 | Chiyoda Eco Recycle Kk | 土質改良材、および土質改良方法 |
-
2008
- 2008-03-05 JP JP2008054776A patent/JP5656139B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009209283A (ja) | 2009-09-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zheng et al. | Utilization of limestone powder and water-reducing admixture in cemented paste backfill of coarse copper mine tailings | |
Chi et al. | Effect of circulating fluidized bed combustion ash on the properties of roller compacted concrete | |
JP5453440B2 (ja) | 高い早期強度発現性を有するポゾランセメントブレンド | |
Manso et al. | Design and Elaboration of Concrete Mixtures Using Steelmaking Slags. | |
JP5862911B2 (ja) | 地盤改良土および地盤改良方法 | |
JP4135743B2 (ja) | セメント組成物 | |
JP5500828B2 (ja) | 土壌固化材 | |
JP5047745B2 (ja) | 地盤改良材 | |
JP2003171162A (ja) | セメント系グラウト組成物 | |
JP2018172948A (ja) | 半たわみ性舗装用セメントミルクとその製造方法および半たわみ性舗装の施工方法 | |
Pavía et al. | Influence of cement kiln dust on the physical properties of calcium lime mortars | |
Ban et al. | Properties and microstructure of lime kiln dust activated slag-fly ash mortar | |
JP2007197286A (ja) | グラウト組成物、それを用いたモルタル又はコンクリート、及びグラウト材料 | |
KR101750011B1 (ko) | 폴리실리콘 슬러지 건조 분말을 포함하는 콘크리트 결합재 조성물 | |
JP4478531B2 (ja) | セメント組成物 | |
JP5656139B2 (ja) | 地盤改良土および地盤改良方法 | |
JP6032830B2 (ja) | セメント系注入材 | |
JP5830792B2 (ja) | 地盤改良土および地盤改良方法 | |
JP5054053B2 (ja) | 地盤改良方法 | |
Sun et al. | Study on preparation of inorganic binder stabilized material with large dosage of phosphogypsum | |
JP5464663B2 (ja) | カルシウムアルミネートクリンカ及び速硬材並びに注入用速硬混和材 | |
JP5645380B2 (ja) | 地盤改良土及び地盤改良方法 | |
JP6441086B2 (ja) | 石炭灰の有効利用方法 | |
JP5689605B2 (ja) | 地盤改良材および地盤改良工法 | |
JP5565019B2 (ja) | 地盤改良方法及びこれに用いる再掘削用固化材の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110131 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20110131 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130221 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130305 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130412 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140331 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20140715 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140909 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20140911 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20141006 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20141021 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20141114 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5656139 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |