JP4913193B2 - リサイクル地盤材料及びその製造方法 - Google Patents
リサイクル地盤材料及びその製造方法 Download PDFInfo
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- JP4913193B2 JP4913193B2 JP2009232937A JP2009232937A JP4913193B2 JP 4913193 B2 JP4913193 B2 JP 4913193B2 JP 2009232937 A JP2009232937 A JP 2009232937A JP 2009232937 A JP2009232937 A JP 2009232937A JP 4913193 B2 JP4913193 B2 JP 4913193B2
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- 239000000463 material Substances 0.000 title claims description 109
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000002689 soil Substances 0.000 claims description 59
- 239000002245 particle Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000010883 coal ash Substances 0.000 claims description 25
- 239000010881 fly ash Substances 0.000 claims description 23
- 239000004927 clay Substances 0.000 claims description 20
- 239000002893 slag Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- 239000011398 Portland cement Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 20
- 239000011669 selenium Substances 0.000 description 18
- 238000010828 elution Methods 0.000 description 15
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 10
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 10
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 10
- 229910052796 boron Inorganic materials 0.000 description 10
- 239000011651 chromium Substances 0.000 description 10
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 10
- 239000011737 fluorine Substances 0.000 description 10
- 229910052731 fluorine Inorganic materials 0.000 description 10
- 229910052711 selenium Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000005469 granulation Methods 0.000 description 8
- 230000003179 granulation Effects 0.000 description 8
- 239000010802 sludge Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000007873 sieving Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 208000005156 Dehydration Diseases 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000012669 compression test Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007922 dissolution test Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000002928 artificial marble Substances 0.000 description 1
- 239000010882 bottom ash 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Road Paving Structures (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Description
含有鉱物名
―――――――――――――――――――――――――――――――――――
二酸化ケイ素 69.0 72.0 72.0
酸化アルミニウム 18.0 16.0 15.0
酸化第二鉄 9.0 7.0 7.3
ケイバン比 6.3 7.4 7.9
ケイ鉄バン比 4.06 4.41 4.49
粘土 0.05mm未満
シルト 0.075mm未満
細砂 0.075mm以上
中砂 0.25mm以上
粗砂 0.85mm以上
細礫 2.0mm以上
中礫 4.75mm以上
粗礫 19.0mm以上
また、本発明では、前記の固化材(普通ポルトランドセメント及び高炉スラグ微粉末)の添加量が35%〜50%であることを特徴とするリサイクル路盤材料とするものである。
2)高炉スラグ微粉末6及び普通ポルトランドセメント7を投入し、調整用の水(水固体重量比が20〜23%)を加えて120秒撹拌する。
3)造粒機4を操作し、造粒を開始する(60秒)。
4)造粒機4を操作し、整粒を開始する(30秒)。
5)製造された造粒材は、空気中に置いて約1週間養生する。
6)リサイクル地盤材8が出来上がる。(図3)
赤土粗粒土 34%
石炭灰飛灰 30%
普通ポルトランドセメント 18%
高炉スラグ微粉末 18%
とした。
出来上がったリサイクル地盤材料の粒度試験をおこなった。図4に示すように通過質量百分率:D10で粒径が2.0mm以上、D60で8.0mm以上であった。
次に、前記のリサイクル地盤材料の液状化試験を行った。
液状化試験に用いたリサイクル地盤材の試料は、図5の液状化強度曲線図に示すように、(1)は締固め度90%以上の密詰め供試体の試料であり、(2)は、締固めなしの緩詰め試料となっている。
このような締固め状態における応力振幅比σd/2σ'o と繰返し回数Nc を求めるに当たり、地震時における液状化発生の繰返し回数Nc をマグニチュードM=6.75 に相当するNc =Neq=10 と仮定した場合、(1)ではσd/2σ'o≒0.65〜0.67,(2)では、σd/2σ'o≒0.25 となる.
また、リサイクル地盤材料は、密詰め状態、つまり、十分な締固めを行えばマグニチュードM≒6.8 の地震加速度α=250Gal に耐えることが可能となる。
なお、マグニチュードM≒6.8 及び、地震加速度α=250Gal は、気象庁が定義した震度階Vの強震に相当する地震である。
その結果を図7に示すが密詰め礫材の地表面沈下量S(cm)は、層厚さH=20mの場合にS≒1cmの微小沈下量となり、緩詰め礫材の沈下量S≒100cmと比較すると1/100に減少する。
R=((W1+W2)/W1)×100 式(1)
εN=(SN/H0)×100 式(2)
2 湿式ふるい
3 赤土粗粒土
4 造粒機
5 石炭灰飛灰
6 高炉スラグ微粉末
7 普通ポルトランドセメント
8 リサイクル地盤材料
Claims (2)
- 赤土泥状土から得た粒径2〜20mmの赤土粗粒土を34重量%
石炭灰飛灰を30重量%、
普通ポルトランドセメントを18重量%、
高炉スラグ微粉末を18重量%、
水を前記固体の総重量に対して20〜23%、
の各割合で混合して得たことを特徴とするリサイクル地盤材料。 - 赤土泥状土から得た粒径2〜20mmの赤土粗粒土34重量%と石炭灰飛灰30重量%とを混合して造粒したのち、普通ポルトランドセメント18重量%、高炉スラグ微粉末18重量%、及び、前記固体の総重量に対して20〜23%の水、を加え、120秒間攪拌して造粒した
ことを特徴とするリサイクル地盤材料の製造方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009232937A JP4913193B2 (ja) | 2009-10-07 | 2009-10-07 | リサイクル地盤材料及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009232937A JP4913193B2 (ja) | 2009-10-07 | 2009-10-07 | リサイクル地盤材料及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011079951A JP2011079951A (ja) | 2011-04-21 |
| JP2011079951A5 JP2011079951A5 (ja) | 2011-09-15 |
| JP4913193B2 true JP4913193B2 (ja) | 2012-04-11 |
Family
ID=44074334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009232937A Expired - Fee Related JP4913193B2 (ja) | 2009-10-07 | 2009-10-07 | リサイクル地盤材料及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4913193B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013121568A (ja) * | 2011-12-12 | 2013-06-20 | Nakamichi Kankyo Kaihatsu:Kk | 建設汚泥のリサイクル方法 |
| CN104801526A (zh) * | 2015-05-19 | 2015-07-29 | 江苏西玛环境科技有限公司 | 一种飞灰固化处理系统 |
| JP6601989B1 (ja) * | 2018-12-11 | 2019-11-06 | 東邦レオ株式会社 | 保水性舗装路の構造 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05192568A (ja) * | 1992-01-17 | 1993-08-03 | Taisei Corp | 汚染地域用吸着材、地盤改良方法、地盤汚染防止方法、セメント原料、汚染地域用吸着材の再利用方法 |
| JPH07157761A (ja) * | 1993-12-08 | 1995-06-20 | Chichibu Onoda Cement Corp | 土質安定処理材及び土質安定処理工法 |
| JP3574905B2 (ja) * | 1994-10-18 | 2004-10-06 | 大成建設株式会社 | 石炭灰固化物の利用方法 |
| JPH08259946A (ja) * | 1995-03-22 | 1996-10-08 | Nippon Jiryoku Senko Kk | 石炭灰・建設残土・スラグの利用方法 |
| JP3728807B2 (ja) * | 1996-06-21 | 2005-12-21 | 栗田工業株式会社 | 重金属含有灰の処理方法 |
| KR19990007639A (ko) * | 1998-10-15 | 1999-01-25 | 이기강 | 고상폐기물을 원료로 하는 세라믹 조성물 및 이의 제조방법 |
| JP3926273B2 (ja) * | 2003-01-17 | 2007-06-06 | みらい建設工業株式会社 | 土質安定処理土及びその製造方法 |
| JP2007023137A (ja) * | 2005-07-15 | 2007-02-01 | Taku Yamada | 土壌の粒度改善方法 |
| JP2008001868A (ja) * | 2006-06-26 | 2008-01-10 | Terunaito:Kk | 舗装用土材料の改質剤、クレイ舗装材、その調製方法および舗装方法 |
| JP2009102518A (ja) * | 2007-10-23 | 2009-05-14 | Daiei Kensetsu Kk | 重金属類の低減化処理材及び重金属の低減化処理方法及びその造粒化処理材の製造方法及び地盤材料 |
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2009
- 2009-10-07 JP JP2009232937A patent/JP4913193B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011079951A (ja) | 2011-04-21 |
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