JP6315063B2 - 水和固化体の製造方法 - Google Patents
水和固化体の製造方法 Download PDFInfo
- Publication number
- JP6315063B2 JP6315063B2 JP2016212434A JP2016212434A JP6315063B2 JP 6315063 B2 JP6315063 B2 JP 6315063B2 JP 2016212434 A JP2016212434 A JP 2016212434A JP 2016212434 A JP2016212434 A JP 2016212434A JP 6315063 B2 JP6315063 B2 JP 6315063B2
- Authority
- JP
- Japan
- Prior art keywords
- solid body
- hydrated solid
- producing
- mass
- blast furnace
- 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
- 239000007787 solid Substances 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 239000002893 slag Substances 0.000 claims description 91
- 238000009628 steelmaking Methods 0.000 claims description 52
- 239000002245 particle Substances 0.000 claims description 28
- 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
- 239000012265 solid product Substances 0.000 claims description 4
- 230000003068 static effect Effects 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
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000011362 coarse particle Substances 0.000 claims description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 239000000047 product Substances 0.000 description 13
- 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
- 238000000227 grinding Methods 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
- 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
- 238000000465 moulding 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
- 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
Images
Classifications
-
- 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
- Curing Cements, Concrete, And Artificial Stone (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 (7)
- 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、
骨材として、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4.5以上6.4以下であり、且つ、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のみを使用し、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。 - 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又は2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3のうち、いずれか1項に記載の水和固化体の製造方法。
- 前記水和固化体の100万回疲労強度が静的破壊強度の50%を超え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。
- 前記水和固化体が海域沿岸の干満帯、飛まつ帯、又は陸域で利用されることを特徴とする請求項1乃至5のうち、いずれか1項に記載の水和固化体の製造方法。
- 前記水和固化体が重量1トン以上の部材に利用されることを特徴とする請求項1乃至6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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016212434A JP6315063B2 (ja) | 2016-10-31 | 2016-10-31 | 水和固化体の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016212434A JP6315063B2 (ja) | 2016-10-31 | 2016-10-31 | 水和固化体の製造方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013080197A Division JP6065720B2 (ja) | 2013-04-08 | 2013-04-08 | 水和固化体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017031053A JP2017031053A (ja) | 2017-02-09 |
JP6315063B2 true JP6315063B2 (ja) | 2018-04-25 |
Family
ID=57987849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016212434A Active JP6315063B2 (ja) | 2016-10-31 | 2016-10-31 | 水和固化体の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6315063B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7253981B2 (ja) * | 2019-05-31 | 2023-04-07 | 日本製鉄株式会社 | 鉄鋼スラグ水和固化体の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP4928401B2 (ja) * | 2007-09-25 | 2012-05-09 | 住友金属工業株式会社 | 水和固化体及びその製造方法、並びに海洋構造物 |
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 |
-
2016
- 2016-10-31 JP JP2016212434A patent/JP6315063B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017031053A (ja) | 2017-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6065720B2 (ja) | 水和固化体の製造方法 | |
Bingöl et al. | Effects of different curing regimes on the compressive strength properties of self compacting concrete incorporating fly ash and silica fume | |
Agbede et al. | Effect of rice husk ash (RHA) on the properties of Ibaji burnt clay bricks | |
Ojeda-Farías et al. | Influence of sugar cane bagasse ash inclusion on compacting, CBR and unconfined compressive strength of a subgrade granular material | |
Ndububa et al. | Effect of guinea corn husk ash as partial replacement for cement in concrete | |
KR101922045B1 (ko) | 실리카계 슬래그 미분말을 포함하는 phc 파일용 콘크리트 조성물, 이를 이용한 phc 파일의 제조방법 및 이에 의해 제조된 고성능 phc 파일 | |
JP2007015880A (ja) | 重量骨材及び重量コンクリート並びにそれらの製造方法 | |
JP5907246B2 (ja) | 固化体の製造方法 | |
JP6315063B2 (ja) | 水和固化体の製造方法 | |
Abubakar et al. | Mechanical properties of concrete containing corn cob ash | |
JP6642506B2 (ja) | 固化体の製造方法 | |
JP6292257B2 (ja) | 脱硫スラグを用いた水和固化体 | |
JP2016216274A (ja) | 人工石材 | |
JP5195866B2 (ja) | スラグ硬化体の製造方法 | |
KR0169528B1 (ko) | 제강 슬래그를 이용한 벽돌의 제조 방법 및 이로부터 제조된 벽돌 | |
KR20100071272A (ko) | 용선예비처리 슬래그를 이용한 시멘트 혼화재 제조방법 | |
KR102364701B1 (ko) | 산업부산물을 이용한 하이브리드형 경량 투수블록 조성물 | |
JP4928401B2 (ja) | 水和固化体及びその製造方法、並びに海洋構造物 | |
KR100580583B1 (ko) | 매립회와 석분의 잔골재로 제조된 고강도 콘크리트 제품의제조방법 | |
CN108892535B (zh) | 一种建筑模网自流平再生轻骨料混凝土及其制备方法 | |
CN109153611B (zh) | 水合固化体及其制造方法 | |
JPH11319894A (ja) | 汚泥の固化材、それを用いた成形体、及びその固化方法 | |
Anowai et al. | Suitability of maize cob ash as a partial replacement of cement in sandcrete blocks | |
Kattoli et al. | Effect of partial replacement of cement by ground granulated blast furnace slag and sand by iron ore tailings on properties of concrete | |
Aboshio et al. | Rice husk ash as admixture in concrete |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161128 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161128 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170922 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171003 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171114 |
|
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: 20180227 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180312 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6315063 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 |