KR100465483B1 - 석회석 미분말을 이용한 레미콘 혼합재 - Google Patents
석회석 미분말을 이용한 레미콘 혼합재 Download PDFInfo
- Publication number
- KR100465483B1 KR100465483B1 KR1020040008808A KR20040008808A KR100465483B1 KR 100465483 B1 KR100465483 B1 KR 100465483B1 KR 1020040008808 A KR1020040008808 A KR 1020040008808A KR 20040008808 A KR20040008808 A KR 20040008808A KR 100465483 B1 KR100465483 B1 KR 100465483B1
- Authority
- KR
- South Korea
- Prior art keywords
- ready
- mixed concrete
- weight
- fine powder
- limestone
- Prior art date
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 58
- 235000019738 Limestone Nutrition 0.000 title claims abstract description 41
- 239000006028 limestone Substances 0.000 title claims abstract description 41
- 239000000843 powder Substances 0.000 title claims abstract description 41
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 239000003623 enhancer Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 11
- 230000036571 hydration Effects 0.000 abstract description 10
- 238000006703 hydration reaction Methods 0.000 abstract description 10
- 230000000740 bleeding effect Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract description 2
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 description 12
- 239000011398 Portland cement Substances 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000004568 cement Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- -1 calcium aluminates Chemical class 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004570 mortar (masonry) 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
- 238000006467 substitution reaction Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011396 hydraulic cement Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
- C04B2103/0091—Organic co-binders for mineral binder compositions
- C04B2103/0092—Organic co-binders for mineral binder compositions for improving green strength
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
구 분 | Gmax(㎜) | 목표작업성 | W/C(%) | S/a(%) | W(㎏/㎥) | 단위재료량(㎏/㎥) | ||||||
슬럼프(㎝) | 공기량(%) | C | FA | 혼합재 | S | G | ||||||
비교예 | OPC | 25 | 15±2.5 | 5±1.5 | 55.2 | 49.5 | 166 | 300.7 | - | - | 892 | 959 |
FA 12% | 264.6 | 36.0 | - | 885 | 952 | |||||||
실시예 | 12% | 264.6 | - | 36.0 | 889 | 967 | ||||||
15% | 255.6 | - | 45.1 | 889 | 956 |
Claims (5)
- 분쇄조제, 강도증진제가 혼합된 석회석 미분말을 이용한 레미콘 혼합재에 있어서,화학성분이 전체 100중량%에 대하여 CaCO392.5중량% 이상, MgO 5중량% 이하, SO30.5중량% 이하, Al2O31.0중량% 이하 및 습분 1.0중량% 이하이며 블레인 비표면적 2,000∼6,000㎠/g인 석회석 미분말로 이루어진 것을 특징으로 하는 석회석 미분말을 이용한 레미콘 혼합재.
- 삭제
- 제 1 항에 있어서, 상기 분쇄조제는 상기 석회석 미분말 100중량%에 대하여 0.01∼0.20중량% 첨가된 것을 특징으로 하는 석회석 미분말을 이용한 레미콘 혼합재.
- 제 1 항 또는 제 3 항에 있어서, 상기 강도증진제는 상기 석회석 미분말 100중량%에 대하여 0.05∼1.0중량% 더 첨가된 것을 특징으로 하는 석회석 미분말을 이용한 레미콘 혼합재.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040008808A KR100465483B1 (ko) | 2004-02-10 | 2004-02-10 | 석회석 미분말을 이용한 레미콘 혼합재 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040008808A KR100465483B1 (ko) | 2004-02-10 | 2004-02-10 | 석회석 미분말을 이용한 레미콘 혼합재 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100465483B1 true KR100465483B1 (ko) | 2005-01-13 |
Family
ID=37383583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040008808A KR100465483B1 (ko) | 2004-02-10 | 2004-02-10 | 석회석 미분말을 이용한 레미콘 혼합재 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100465483B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0150209B1 (ko) * | 1989-10-06 | 1998-10-15 | 스티븐 티. 트링커 | 강도 증진 배합 시멘트 및 포트랜드 시멘트 조성물 |
KR100222776B1 (ko) * | 1997-10-31 | 1999-10-01 | 명호근 | 폐부동액을 이용한 광물의 미분쇄방법 |
KR20030092712A (ko) * | 2002-05-31 | 2003-12-06 | 삼성물산 주식회사 | 석회석 미분말을 혼입한 콘크리트 조성물 |
-
2004
- 2004-02-10 KR KR1020040008808A patent/KR100465483B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0150209B1 (ko) * | 1989-10-06 | 1998-10-15 | 스티븐 티. 트링커 | 강도 증진 배합 시멘트 및 포트랜드 시멘트 조성물 |
KR100222776B1 (ko) * | 1997-10-31 | 1999-10-01 | 명호근 | 폐부동액을 이용한 광물의 미분쇄방법 |
KR20030092712A (ko) * | 2002-05-31 | 2003-12-06 | 삼성물산 주식회사 | 석회석 미분말을 혼입한 콘크리트 조성물 |
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