KR20150000535A - 천연수경성석회 모르타르 조성물 - Google Patents
천연수경성석회 모르타르 조성물 Download PDFInfo
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
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- 229910021532 Calcite Inorganic materials 0.000 description 1
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- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
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- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 description 1
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- 150000004677 hydrates Chemical class 0.000 description 1
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- 239000000416 hydrocolloid Substances 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Images
Classifications
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- 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
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/141—Slags
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
- C04B18/146—Silica fume
-
- 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
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
- C04B2/066—Making use of the hydration reaction, e.g. the reaction heat for dehydrating gypsum; Chemical drying by using unslaked lime
-
- 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
- C04B28/14—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 calcium sulfate 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
본 발명에 따르면, SiO2와 Al2O3의 함량이 높은 저품질의 국내 석회석을 이용하여 제조된 천연수경성석회를 포함함으로써 국내 석회석 광물자원의 고부가가치를 창출할 수 있고, 온실가스 저감효과와 더불어 친환경재료의 국산화에 기여할 수 있다.
Description
도 2는 도 1은 본 발명의 일실시예에 사용되는 6종의 국내 석회석 원석들의 편광현미경 관찰결과를 나타낸 것이다.
도 3 및 도 4는 본 발명의 일실시예에 따라 SiO2 함량에 따른 석회석을 이용하여 천연수경성석회 제조 시 소성온도별로 석회석 종류에 따른 XRD 분석결과를 나타낸 것이다.
도 5는 본 발명의 일실시예에 따라 SiO2 함량에 따른 석회석을 이용하여 천연수경성석회 제조 시 소성온도별 기공분포를 측정한 결과이다.
도 6은 본 발명의 일실시예에 따라 SiO2 함량에 따른 석회석을 이용하여 천연수경성석회 제조 시 소성온도를 1,200℃로 하여 소성 유지시간에 따른 기공분포 변화를 측정한 결과이다.
도 7은 본 발명의 일실시예에 따라 SiO2 함량에 따른 석회석을 이용하여 천연수경성석회 제조 시 소성온도에 따른 기공률 변화를 나타낸 것이다.
도 8은 본 발명의 일실시예에 따라 소성온도 1,100℃와 1,200℃에서 소성시간에 따른 기공율 변화를 나타낸 것이다.
도 9 및 도 10은 본 발명의 일실시예에 사용되는 6종의 국내 석회석 원석을 1,200℃에서 2시간 소성할 경우 기공분포도와 기공률을 나타낸 것이다.
도 11 내지 도 13은 본 발명의 일실시예에 따라 제조한 국내 천연수경성석회(NHL) 모르타르와 외국산 NHL 모르타르의 흡수율을 측정한 결과이다.
도 14는 본 발명의 일실시예에 따라 국내 천연수경성석회(NHL)에 무기질 혼화재를 첨가한 모르타르의 흡수율을 측정한 결과이다.
도 15 내지 도 17은 본 발명의 일실시예에 따라 제조한 국내 천연수경성석회(NHL) 모르타르와 외국산 NHL 모르타르의 기공분포를 측정한 결과이다.
도 18 내지 20은 본 발명의 일실시예에 따라 상대습도 95%에서 양생된 국내 및 외국산 모르타르의 기공분포를 측정한 결과이다.
도 21은 본 발명의 일실시예에 따라 국내 천연수경성석회(NHL)에 고로수쇄슬래그 및 실리카 흄을 첨가한 모르타르의 기공분포를 측정한 결과이다.
도 22는 본 발명의 일실시예에 따라 국내 천연수경성석회(NHL)에 고로수쇄슬래그 및 실리카 흄의 혼입율에 따른 압축강도를 나타낸 것이다.
| Element(중량%) | A1 | A5 | A8 | HR | HL | KJ |
| CaO | 50.707 | 46.533 | 41.583 | 42.585 | 41.424 | 42.216 |
| SiO2 | 3.912 | 7.890 | 13.946 | 13.489 | 15.128 | 21.028 |
| Al2O3 | 0.795 | 1.960 | 2.990 | 1.370 | 2.274 | - |
| MgO | 0.784 | 1.266 | 1.344 | 2.102 | 1.185 | 0.127 |
| Fe2O3 | 0.427 | 0.942 | 1.122 | 0.540 | 0.937 | 0.114 |
| 구분 |
화학 조성(중량%) | 밀도 (g/㎤) |
||||||
| SiO2 | CaO | MgO | R2O3 (Al2O3+Fe2O3) |
SO3 | Na2O | K2O | ||
| ISO 표준사 | 96.6 | 0.03 | 0.04 | 2.36 | - | 0.08 | 0.77 | 2.62 |
| 주문진 표준사 | 83.4 | 0.19 | 0.09 | 9.02 | 0.01 | 1.06 | 5.88 | 2.64 |
| 구분 | 화학 조성(중량%) | ||||||||
| SiO2 | CaO | MgO | Al2O3 | Fe2O3 | SO3 | Na2O | K2O | sum | |
| 고로수쇄슬래그 | 29.6 | 46.9 | 5.54 | 13.5 | 0.42 | 2.01 | 0.19 | 0.45 | 98.59 |
| 실리카 흄 | 89.9 | 5.35 | 0.73 | 1.20 | 0.24 | 0.09 | 0.17 | 1.50 | 99.18 |
| 1,200℃, 2hr | A1 | A5 | A8 | HR | HL | KJ |
| 원석 질량(g) | 1.0831 | 1.0072 | 1.0002 | 1.0275 | 1.0205 | 1.0261 |
| 1회소성(g/㎤) | 3.2298 | 3.1907 | 3.1122 | 3.0735 | 2.9818 | 2.8932 |
| 2회소성(g/㎤) | 3.2313 | 3.1889 | 3.1056 | 3.0671 | 2.9916 | 2.8720 |
| 3회소성(g/㎤) | 3.2259 | 3.1886 | 3.1093 | 3.0699 | 3.0005 | 2.8811 |
| 평균(g/㎤) | 3.2290 | 3.1894 | 3.1090 | 3.0702 | 2.9913 | 2.8821 |
| A5, 2hr | 800℃ | 900℃ | 1,000℃ | 1,100℃ | 1,200℃ | 1,300℃ |
| 원석 질량(g) | 1.0146 | 1.0399 | 1.0497 | 1.0070 | 1.0072 | 1.0282 |
| 1회소성(g/㎤) | 2.7374 | 2.9436 | 3.1303 | 3.1673 | 3.1907 | 3.1815 |
| 2회소성(g/㎤) | 2.7362 | 2.9393 | 3.1265 | 3.1712 | 3.1889 | 3.1750 |
| 3회소성(g/㎤) | 2.7323 | 2.9401 | 3.1181 | 3.1726 | 3.1886 | 3.1727 |
| 평균(g/㎤) | 2.7353 | 2.9410 | 3.1250 | 3.1703 | 3.1894 | 3.1764 |
| A8, 2hr | 800℃ | 900℃ | 1,000℃ | 1,100℃ | 1,200℃ |
| 원석 질량(g) | 1.0069 | 1.0010 | 1.0057 | 1.0001 | 1.0002 |
| 1회소성(g/㎤) | 2.7374 | 2.9668 | 3.0547 | 3.0462 | 3.1122 |
| 2회소성(g/㎤) | 2.7292 | 2.9689 | 3.0505 | 3.0476 | 3.1056 |
| 3회소성(g/㎤) | 2.7228 | 2.9655 | 3.0547 | 3.0482 | 3.1093 |
| 평균(g/㎤) | 2.7298 | 2.9671 | 3.0533 | 3.0473 | 3.1090 |
| A5, 1,200℃ | 1hr | 2hr | 3hr | 5hr | 7hr | 10hr | 24hr |
| 원석 질량(g) | 3.0573 | 1.0072 | 1.0731 | 1.0331 | 1.0764 | 1.0449 | 1.0117 |
| 1회소성(g/㎤) | 3.1393 | 3.1907 | 3.1780 | 3.1653 | 3.1665 | 3.1936 | 3.1137 |
| 2회소성(g/㎤) | 3.5370 | 3.1889 | 3.1958 | 3.1445 | 3.1868 | 3.1611 | 3.1504 |
| 3회소성(g/㎤) | 3.1402 | 3.1886 | 3.1817 | 3.1521 | 3.1590 | 3.1756 | 3.1186 |
| 평균(g/㎤) | 3.1444 | 3.1864 | 3.1851 | 3.1540 | 3.1708 | 3.1768 | 3.1276 |
| A8, 1,200℃ | 1hr | 2hr | 3hr | 5hr | 7hr | 10hr | 24hr |
| 원석 질량(g) | 1.0837 | 1.0002 | 1.0142 | 1.0655 | 1.0720 | 1.0960 | 1.0256 |
| 1회소성(g/㎤) | 3.0853 | 3.1122 | 2.9507 | 3.1329 | 2.9369 | 3.1591 | 3.1014 |
| 2회소성(g/㎤) | 3.0534 | 3.1056 | 2.9683 | 3.1227 | 2.9209 | 3.1563 | 3.0924 |
| 3회소성(g/㎤) | 3.0550 | 3.1093 | 2.9525 | 3.1294 | 2.9370 | 3.1459 | 3.0721 |
| 평균(g/㎤) | 3.0646 | 3.1090 | 2.9572 | 3.1283 | 3.0657 | 3.1538 | 3.0886 |
| NHL 모르타르 | 공기량(%) |
| K-A5 NHL | 1.4 |
| K-A8 NHL | 1.9 |
| K-HL NHL | 2.0 |
| A-NHL 2 | 1.1 |
| A-NHL 3.5 | 2.8 |
| A-NHL 5 | 2.5 |
| B-NHL 2 | 2.3 |
| B-NHL 3.5 | 3.1 |
| B-NHL 5 | 3.1 |
| K-S 20 A5 NHL | 2.8 |
| K-S 20 A8 NHL | 2.3 |
| K-S 20 HL NHL | 2.8 |
| K-SF 20 A5 NHL | 2.0 |
| K-SF 20 A8 NHL | 2.9 |
| K-SF 20 HL NHL | 2.1 |
| NHL 모르타르 | 초결 | 종결 |
| K-A5 NHL | 43시간 30분 | 66시간 |
| K-A8 NHL | 45시간 | 67시간 |
| K-HL NHL | 44시간 | 69시간 |
| A-NHL 2 | 10시간 40분 | 11시간 10분 |
| A-NHL 3.5 | 5시간 40분 | 6시간 10분 |
| A-NHL5 | 4시간 | 4시간 30분 |
| B-NHL 2 | 6시간 40분 | 7시간 10분 |
| B-NHL 3.5 | 6시간 40분 | 6시간 45분 |
| B-NHL 5 | 2시간 35분 | 3시간 05분 |
| K-S 20 A5 NHL | 12시간 10분 | 15시간 20분 |
| K-S 20 A8 NHL | 7시간 5분 | 7시간 50분 |
| K-S 20 HL NHL | 6시간 55분 | 7시간 30분 |
| K-SF 20 A5 NHL | 20시간 50분 | 35시간 20분 |
| K-SF 20 A8 NHL | 15시간 40분 | 18시간 20분 |
| K-SF 20 HL NHL | 14시간 30분 | 17시간 45분 |
Claims (7)
- 입자크기가 10~20㎜인 국내 석회석(2~2.5㎏)을 1,000~1,250℃에서 3~7시간 동안 소성한 후 수화반응시켜 얻어진 천연수경성석회;
잔골재; 및
무기질 혼화재;
를 포함하는 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 천연수경성석회 모르타르 조성물은
천연수경성석회 100중량부에 대하여
잔골재 100 내지 400중량부; 및
무기질 혼화재 10 내지 50중량부;
를 포함하는 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 천연수경성석회는 입자크기가 100~200㎜이고, SiO2 함량이 1 내지 25중량%인 국내 석회석 원석을 10~20㎜ 크기로 파쇄하는 단계; 상기 파쇄된 석회석(2~2.5㎏)을 1,000~1,250℃에서 3~7시간 동안 소성하는 단계; 및 상기 소성된 석회석을 증류수에 넣어 10분간 침지시킨 후 300rpm으로 교반하면서 30~40분간 수화반응시키는 단계;로 제조되는 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 천연수경성석회는 소성된 석회석:증류수의 비율 1:4, 교반속도 300rpm의 조건으로, 소성된 석회석을 증류수에 넣어 10분간 정치시킨 후 300rpm에서 30분간 교반하여 수화반응시키는 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 무기질 혼화재는 분말도가 4,000~8,000㎠/g인 고로수쇄슬래그 미분말, 평균입경 0.2~0.5㎛, 비표면적 200,000㎠/g인 구형의 실리카 흄 및 이들의 혼합물 중 선택된 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 천연수경성석회 모르타르는 무수석고, 이수석고, 시멘트, 활성황토, 황토, 플라이애쉬, 천연섬유, 음이온 계면활성제, 유동화제 및 촉진제 중 선택되는 어느 하나 이상을 추가로 더 포함하는 것을 특징으로 하는 천연수경성석회 모르타르 조성물. - 제1항에 있어서,
상기 천연수경성석회 모르타르는 고기능 단열 내장재, 친환경 건축용 내· 외장 마감재, 실내 미장재, 조적재, 보수· 보강재, 토질개량재 또는 오염토양 고화재용으로 사용되는 것을 특징으로 하는 천연수경성석회 모르타르 조성물.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170124127A (ko) * | 2016-04-29 | 2017-11-10 | 한국석회석신소재연구재단 | 저품위 백운석을 이용한 수경성 석회 모르타르 조성물 및 이의 제조방법 |
| CN115521123A (zh) * | 2022-09-19 | 2022-12-27 | 刘泽 | 一种固化二氧化碳的方法 |
| CN118515440A (zh) * | 2024-05-20 | 2024-08-20 | 武汉市天时建筑工程有限公司 | 一种采用工业固废制备的天然水硬性石灰、制备方法及应用 |
-
2013
- 2013-06-24 KR KR20130072338A patent/KR20150000535A/ko not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170124127A (ko) * | 2016-04-29 | 2017-11-10 | 한국석회석신소재연구재단 | 저품위 백운석을 이용한 수경성 석회 모르타르 조성물 및 이의 제조방법 |
| CN115521123A (zh) * | 2022-09-19 | 2022-12-27 | 刘泽 | 一种固化二氧化碳的方法 |
| CN118515440A (zh) * | 2024-05-20 | 2024-08-20 | 武汉市天时建筑工程有限公司 | 一种采用工业固废制备的天然水硬性石灰、制备方法及应用 |
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