KR100658965B1 - 시멘트 혼화재 및 그것을 사용한 시멘트 조성물 - Google Patents
시멘트 혼화재 및 그것을 사용한 시멘트 조성물 Download PDFInfo
- Publication number
- KR100658965B1 KR100658965B1 KR1020030047605A KR20030047605A KR100658965B1 KR 100658965 B1 KR100658965 B1 KR 100658965B1 KR 1020030047605 A KR1020030047605 A KR 1020030047605A KR 20030047605 A KR20030047605 A KR 20030047605A KR 100658965 B1 KR100658965 B1 KR 100658965B1
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- KR
- South Korea
- Prior art keywords
- cement
- weight
- metakaolin
- gypsum
- strength
- 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.)
- Expired - Fee Related
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- 239000004568 cement Substances 0.000 title claims abstract description 66
- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 239000010440 gypsum Substances 0.000 claims abstract description 51
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 51
- 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 abstract description 47
- 150000004683 dihydrates Chemical class 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 18
- 229920000877 Melamine resin Polymers 0.000 claims description 10
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000008240 homogeneous mixture Substances 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 29
- 230000007774 longterm Effects 0.000 description 17
- 239000011083 cement mortar Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- 239000004570 mortar (masonry) Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011505 plaster Substances 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000013329 compounding Methods 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- -1 calcium aluminate compound Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- DGVVJWXRCWCCOD-UHFFFAOYSA-N naphthalene;hydrate Chemical compound O.C1=CC=CC2=CC=CC=C21 DGVVJWXRCWCCOD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000002087 whitening effect Effects 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators or shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
- C04B22/142—Sulfates
- C04B22/143—Calcium-sulfate
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
-
- 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
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement
- C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
시멘트에 메타카올린만을 첨가하면 시멘트 모르타르나 콘크리트의 장기강도가 시멘트만을 사용한 배합에 비하여 대폭 증가한다. 그러나 1일 강도는 시멘트만 사용한 배합에 비하여 거의 증가하지 않는다. 3일강도, 7일강도는 강도증가비율이 증가해 가지만 증가율이 작다.
SiO2 | Al2O3 | Fe2O3 | TiO2 | CaO | MgO | K2O,Na2O | 기타 |
46.5 | 35.5 | 2.3 | 0.1 | 1.0 | 0.2 | 0.7 | 13.7 |
시멘트 기준 | 메타카올린 첨가량 (대 시멘트 중량%) | 이수석고 첨가량 (대 시멘트 중량%) | 감수제 첨가량 (대 분말 중량%) | 1일 압축강도 (kg/㎠) | 3일 압축강도 (kg/㎠) | 7일 압축강도 (kg/㎠) | 28일 압축강도 (kg/㎠) |
100 | 0 | 0.0 | 1.94 | 297 | 640 | 772 | 880 |
100 | 10 | 0.0 | 2.13 | 289 | 680 | 861 | 1,043 |
100 | 10 | 2.0 | 2.15 | 301 | 710 | 880 | 1,015 |
100 | 10 | 3.0 | 2.20 | 350 | 730 | 893 | 996 |
100 | 10 | 4.0 | 2.33 | 436 | 760 | 954 | 1,052 |
100 | 10 | 5.0 | 2.33 | 420 | 742 | 920 | 1,030 |
100 | 10 | 7.0 | 2.35 | 386 | 710 | 942 | 1,010 |
100 | 10 | 10.0 | 2.40 | 392 | 720 | 910 | 885 |
100 | 0 | 4.0 | 1.69 | 410 | 695 | 888 | 872 |
100 | 5 | 4.0 | 2.05 | 360 | 672 | 890 | 927 |
100 | 15 | 4.0 | 2.72 | 354 | 723 | 925 | 1,024 |
100 | 25 | 4.0 | 3.20 | 292 | 756 | 911 | 1,072 |
시멘트 기준 | 메타카올린 첨가량 (대 시멘트 중량%) | 이수석고 첨가량 (대 시멘트 중량%) | 감수제 첨가량 (대 분말 중량%) | 1일 압축강도 (kg/㎠) | 3일 압축강도 (kg/㎠) | 7일 압축강도 (kg/㎠) | 28일 압축강도 (kg/㎠) |
100 | 0 | 0.0 | 1.63 | 300 | 580 | 880 | 982 |
100 | 10 | 0.0 | 2.12 | 295 | 620 | 925 | 1,180 |
100 | 10 | 2.0 | 2.30 | 310 | 642 | 920 | 1,146 |
100 | 10 | 3.0 | 2.56 | 380 | 725 | 910 | 1,120 |
100 | 10 | 4.0 | 2.29 | 416 | 780 | 936 | 1,192 |
100 | 10 | 5.0 | 2.31 | 425 | 768 | 915 | 1,158 |
100 | 10 | 7.0 | 2.32 | 396 | 710 | 890 | 1,052 |
100 | 10 | 10.0 | 2.35 | 350 | 646 | 858 | 960 |
100 | 0 | 4.0 | 1.69 | 405 | 633 | 840 | 875 |
100 | 5 | 4.0 | 2.01 | 380 | 652 | 880 | 1,050 |
100 | 15 | 4.0 | 2.54 | 368 | 770 | 925 | 1,165 |
100 | 25 | 4.0 | 3.12 | 345 | 755 | 932 | 1,176 |
배합 수준 | W/P (중량%) | 단위용적 중량(kg/㎡) | AE감수제 +AE조정제 (대분말 중량%) | |||||
시멘트 | MK | 이수 석고 | 물 | 조골재 | 모래 | |||
①B.B | 55 | 300 | 0 | 0 | 164 | 1,025 | 784 | 0.10+0,002 |
②B | 55 | 270 | 30 | 0 | 164 | 1,025 | 784 | 0.43+0.002 |
③ | 55 | 258 | 30 | 12 | 164 | 1,025 | 784 | 0.54+0,002 |
배합 수준 | W/P (중량%) | 단위용적 중량(kg/㎡) | AE감수제 +AE조정제 (대분말 중량%) | |||||
시멘트 | MK | 이수 석고 | 물 | 조골재 | 모래 | |||
④B.B | 55 | 300 | 0 | 0 | 164 | 1,025 | 784 | 0.10+0.002 |
⑤B | 55 | 270 | 30 | 0 | 164 | 1,025 | 784 | 0.37+0.002 |
⑥ | 55 | 258 | 30 | 12 | 164 | 1,025 | 784 | 0.55+0.002 |
배합 수준 | W/P (중량%) | S/A (중량%) | 시멘트 (kg/㎡) | MK (kg/㎡) | 이수석고(kg/㎡) | Slump (㎝) | 공기량 (용적%) | 온도 (℃) |
①B.B | 55 | 43 | 300 | 0 | 0 | 12.4 | 5.1 | 20.6 |
②B | 55 | 43 | 270 | 30 | 0 | 11.2 | 5.3 | 21.0 |
③ | 55 | 43 | 258 | 30 | 12 | 12.8 | 5.3 | 20.9 |
배합 수준 | W/P (중량%) | S/A (중량%) | 시멘트 (kg/㎡) | MK (kg/㎡) | 이수석고 (kg/㎡) | Slump (㎝) | 공기량 (용적%) | 온도 (℃) |
④B.B | 55 | 43 | 300 | 0 | 0 | 11.5 | 5.8 | 20.8 |
⑤B | 55 | 43 | 270 | 30 | 0 | 12.6 | 5.6 | 21.2 |
⑥ | 55 | 43 | 258 | 30 | 12 | 12.0 | 5.5 | 20.4 |
배합 수준 | W/P (중량%) | S/A (중량%) | 시멘트 (kg/㎡) | MK (KG/㎡) | 이수석고 (kg/㎡) | 압축강도(kg/㎠) | |||
1일 | 3일 | 7일 | 28일 | ||||||
①B.B | 55 | 43 | 300 | 0 | 0 | 115 | 212 | 297 | 385 |
②B | 55 | 43 | 270 | 30 | 0 | 110 | 230 | 330 | 470 |
③ | 55 | 43 | 258 | 30 | 12 | 192 | 282 | 350 | 466 |
④B.B | 55 | 43 | 300 | 0 | 0 | 120 | 207 | 301 | 392 |
⑤B | 55 | 43 | 270 | 30 | 0 | 122 | 240 | 323 | 455 |
⑥ | 55 | 43 | 258 | 30 | 12 | 204 | 291 | 362 | 460 |
시료 | 시멘트 (g) | MF (g) | 물 (g) | 혼화재 | 감수제 | 시작으로부터의 Flow값의 차(㎜) | |||||||
종류 | 대 분말 중량% | 종류 | 대 분말 중량% | Flow (㎜) | 15분후 (㎜) | 30분후 (㎜) | 60분후 (㎜) | 90분후 (㎜) | 판정 | ||||
1 | 650 | 0 | 325 | BB | 0 | - | 0.00 | 206 | 10 | 23 | 24 | 30 | 표준 |
2 | 585 | 65 | 325 | B | 0 | M150 | 0.43 | 200 | 15 | 25 | 26 | 38 | ×× |
3 | 585 | 65 | 325 | B | 0 | M150 | 0.43 | 196 | 13 | 18 | 24 | 35 | △ |
4 | 585 | 65 | 325 | 석고 | 2.0 | M150 | 0.46 | 197 | 15 | 23 | 30 | 34 | △ |
5 | 585 | 65 | 325 | 석고 | 4.0 | M150 | 0.54 | 194 | 14 | 18 | 24 | 30 | ○ |
6 | 585 | 65 | 325 | B | 0 | Mela | 0.37 | 199 | 7 | 18 | 30 | 31 | ○ |
7 | 585 | 65 | 325 | 석고 | 2.0 | Mela | 0.49 | 197 | 11 | 14 | 27 | 32 | ○△ |
8 | 585 | 65 | 325 | 석고 | 4,0 | Mela | 0.55 | 191 | 8 | 14 | 23 | 31 | ○ |
9 | 585 | 65 | 325 | B | 0 | M2000 | 0.31 | 204 | 6 | 18 | 26 | 35 | × |
10 | 585 | 65 | 325 | 석고 | 2.0 | M2000 | 0.35 | 199 | 13 | 16 | 23 | 34 | △ |
11 | 585 | 65 | 325 | 석고 | 4.0 | M2000 | 0.46 | 200 | 10 | 17 | 25 | 30 | ○ |
Claims (5)
- 삭제
- 시멘트 혼화재에 있어서, 메타카올린에 이수석고를 30 내지 60중량%를 첨가하여서 된 시멘트 혼화재.
- 삭제
- 시멘트 조성물에 있어서, 메타카올린에 이수석고를 30 내지 60중량% 첨가하여 된 시멘트 혼화재를 시멘트에 5 내지 25중량%를 첨가하고, 여기에 0.5 내지 3.0중량%의 감수제를 첨가하여 된 시멘트 조성물.
- 제 4항에 있어서, 감수제는 나프탈렌계, 멜라민계, 폴리카본산계중 어느 하나를 사용하는 시멘트 조성물.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020030047605A KR100658965B1 (ko) | 2003-07-12 | 2003-07-12 | 시멘트 혼화재 및 그것을 사용한 시멘트 조성물 |
Applications Claiming Priority (1)
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KR1020030047605A KR100658965B1 (ko) | 2003-07-12 | 2003-07-12 | 시멘트 혼화재 및 그것을 사용한 시멘트 조성물 |
Publications (2)
Publication Number | Publication Date |
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KR20050007961A KR20050007961A (ko) | 2005-01-21 |
KR100658965B1 true KR100658965B1 (ko) | 2006-12-18 |
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KR1020030047605A Expired - Fee Related KR100658965B1 (ko) | 2003-07-12 | 2003-07-12 | 시멘트 혼화재 및 그것을 사용한 시멘트 조성물 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100704869B1 (ko) * | 2005-09-27 | 2007-04-09 | 삼성물산 주식회사 | 메타카올린과 실리카흄이 혼합배합된 고성능 숏크리트조성물 |
KR101111353B1 (ko) * | 2009-06-18 | 2012-02-24 | (주)삼우아이엠씨 | 조강 콘크리트 조성물 |
WO2021045124A1 (ja) * | 2019-09-05 | 2021-03-11 | 東洋紡株式会社 | 無機強化熱可塑性ポリエステル樹脂組成物、及びそれからなる成形品 |
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