JP6065720B2 - 水和固化体の製造方法 - Google Patents
水和固化体の製造方法 Download PDFInfo
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- JP6065720B2 JP6065720B2 JP2013080197A JP2013080197A JP6065720B2 JP 6065720 B2 JP6065720 B2 JP 6065720B2 JP 2013080197 A JP2013080197 A JP 2013080197A JP 2013080197 A JP2013080197 A JP 2013080197A JP 6065720 B2 JP6065720 B2 JP 6065720B2
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- solid body
- slag
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- hydrated solid
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- 239000007787 solid Substances 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 239000002893 slag Substances 0.000 claims description 93
- 238000009628 steelmaking Methods 0.000 claims description 54
- 239000002245 particle Substances 0.000 claims description 27
- 239000000843 powder Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000010881 fly ash Substances 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 150000001340 alkali metals Chemical class 0.000 claims description 7
- 238000004898 kneading Methods 0.000 claims description 7
- 150000001805 chlorine compounds Chemical class 0.000 claims description 6
- 150000004679 hydroxides Chemical class 0.000 claims description 6
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 6
- 239000011398 Portland cement Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000011401 Portland-fly ash cement Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 3
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000011362 coarse particle Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 description 14
- 239000011230 binding agent Substances 0.000 description 10
- 230000035882 stress Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- C04B28/08—Slag cements
- C04B28/082—Steelmaking slags; Converter slags
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
(2)粗粒率(FM値)が4.5以上のもの
本実施例では、粒度を調整した粉粒状製鋼スラグを用いて水和固化体を作製した。粉粒状製鋼スラグとしては、高炉から出銑された高炉溶銑を脱燐処理した際に発生した溶銑予備処理スラグを用いた。また、結合材としては、高炉水砕スラグ微粉末及びフライアッシュを用い、アルカリ刺激材として普通ポルトランドセメントを用いた。試験に用いた製鋼スラグの粒度、FM値、及びD10は、本発明範囲及び比較の条件として選定した。その際の粒度、FM値、及びD10を表1に示す。
Claims (5)
- 粉粒状の製鋼スラグとSiO2含有物質とを水で混練することによって製造される水和固化体の製造方法であって、
前記製鋼スラグとして、80℃の温水に10日間浸漬した後の粉化率が2.5質量%以下であり、且つ、粗粒率が4.9以上5.4以下の範囲内(但し、粗粒率が4.9である場合を除く)の製鋼スラグを使用し、前記SiO2含有物質として、高炉スラグ微粉末又は高炉スラグ微粉末及びフライアッシュを使用することを特徴とする水和固化体の製造方法。 - 前記製鋼スラグとして、粒径が0.5mm以下の範囲内にある粒子の比率が10質量%以上である製鋼スラグを使用することを特徴とする請求項1に記載の水和固化体の製造方法。
- アルカリ金属及び/又はアルカリ土類金属の酸化物、水酸化物、硫酸塩、及び塩化物の中から選ばれた1種又は2種以上を、高炉スラグ微粉末及びフライアッシュの合計含有量に対し0.2乃至20質量%の範囲内添加することを特徴とする請求項1又は2に記載の水和固化体の製造方法。
- 普通ポルトランドセメント、フライアッシュセメント、及び複合セメントから選ばれた1種又は2種以上を、高炉スラグ微粉末及びフライアッシュの合計含有量に対して200質量%を上限として添加することを特徴とする請求項1乃至3のうち、いずれか1項に記載の水和固化体の製造方法。
- ナフタレンスルホン酸及び/又はポリカルボン酸を、高炉スラグ微粉末、フライアッシュ、及びアルカリ金属及び/又はアルカリ土類金属の酸化物、水酸化物、硫酸塩、及び塩化物の合計含有量に対して0.1乃至2.0質量%の範囲内添加することを特徴とする請求項1乃至4のうち、いずれか1項に記載の水和固化体の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2013080197A JP6065720B2 (ja) | 2013-04-08 | 2013-04-08 | 水和固化体の製造方法 |
KR1020157027947A KR101839661B1 (ko) | 2013-04-08 | 2014-01-24 | 수화 고화체의 제조 방법 및 수화 고화체 |
PCT/JP2014/051549 WO2014167874A1 (ja) | 2013-04-08 | 2014-01-24 | 水和固化体の製造方法及び水和固化体 |
CN201480019808.2A CN105073680A (zh) | 2013-04-08 | 2014-01-24 | 水合固化体的制造方法及水合固化体 |
TW103106368A TWI543957B (zh) | 2013-04-08 | 2014-02-26 | 水合固化體的製造方法及水合固化體 |
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JP2013080197A JP6065720B2 (ja) | 2013-04-08 | 2013-04-08 | 水和固化体の製造方法 |
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JP2016212434A Division JP6315063B2 (ja) | 2016-10-31 | 2016-10-31 | 水和固化体の製造方法 |
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JP2014201497A JP2014201497A (ja) | 2014-10-27 |
JP6065720B2 true JP6065720B2 (ja) | 2017-01-25 |
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JP (1) | JP6065720B2 (ja) |
KR (1) | KR101839661B1 (ja) |
CN (1) | CN105073680A (ja) |
TW (1) | TWI543957B (ja) |
WO (1) | WO2014167874A1 (ja) |
Families Citing this family (6)
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JP6593358B2 (ja) * | 2016-06-02 | 2019-10-23 | Jfeスチール株式会社 | 水和硬化体およびその製造方法 |
WO2017208844A1 (ja) * | 2016-06-02 | 2017-12-07 | Jfeスチール株式会社 | 水和硬化体およびその製造方法 |
KR101975001B1 (ko) | 2018-12-05 | 2019-05-03 | 곽은주 | 용선슬래그를 재활용한 보수재료 및 보수방법 |
EP3889122A1 (en) * | 2020-04-02 | 2021-10-06 | Sika Technology Ag | Method for the control of volume expansion of hydraulically setting compositions comprising steel making slag |
KR102203519B1 (ko) | 2020-09-28 | 2021-01-18 | (주)아시아특수재료 | 제강슬래그를 활용한 고화제 |
KR102203526B1 (ko) | 2020-10-05 | 2021-01-18 | (주)아시아특수재료 | 래들슬래그의 반응성을 증진시킨 혼합 조성물 및 이를 함유하는 래들슬래그 지반고화제 |
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JP3714043B2 (ja) * | 1998-10-14 | 2005-11-09 | Jfeスチール株式会社 | 製鋼スラグの塊成方法 |
JP3654122B2 (ja) * | 2000-03-28 | 2005-06-02 | Jfeスチール株式会社 | スラグ硬化体の製造方法 |
JP4438307B2 (ja) * | 2003-03-28 | 2010-03-24 | Jfeスチール株式会社 | スラグ硬化体用製鋼スラグの選択方法 |
JP2006045048A (ja) * | 2004-06-30 | 2006-02-16 | Jfe Mineral Co Ltd | 製鋼スラグ固化体及びその製造方法 |
JP4827580B2 (ja) * | 2006-03-31 | 2011-11-30 | Jfeスチール株式会社 | 耐中性化性および耐塩害性に優れた鉄筋を有する水和硬化体 |
JP5259094B6 (ja) * | 2007-02-08 | 2019-07-24 | Jfeスチール株式会社 | 鉄筋を有する耐中性化に優れた水和硬化体 |
JP6080340B2 (ja) * | 2011-06-24 | 2017-02-15 | 新日鐵住金株式会社 | 鉄鋼スラグ水和固化体 |
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- 2013-04-08 JP JP2013080197A patent/JP6065720B2/ja active Active
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2014
- 2014-01-24 WO PCT/JP2014/051549 patent/WO2014167874A1/ja active Application Filing
- 2014-01-24 CN CN201480019808.2A patent/CN105073680A/zh active Pending
- 2014-01-24 KR KR1020157027947A patent/KR101839661B1/ko active IP Right Grant
- 2014-02-26 TW TW103106368A patent/TWI543957B/zh active
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Publication number | Publication date |
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KR101839661B1 (ko) | 2018-03-16 |
WO2014167874A1 (ja) | 2014-10-16 |
KR20150128872A (ko) | 2015-11-18 |
TWI543957B (zh) | 2016-08-01 |
JP2014201497A (ja) | 2014-10-27 |
CN105073680A (zh) | 2015-11-18 |
TW201442992A (zh) | 2014-11-16 |
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