KR102506548B1 - 타설 초기 및 장기 팽창효과가 우수한 그라우팅용 팽창 모르타르 - Google Patents
타설 초기 및 장기 팽창효과가 우수한 그라우팅용 팽창 모르타르 Download PDFInfo
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- KR102506548B1 KR102506548B1 KR1020220043349A KR20220043349A KR102506548B1 KR 102506548 B1 KR102506548 B1 KR 102506548B1 KR 1020220043349 A KR1020220043349 A KR 1020220043349A KR 20220043349 A KR20220043349 A KR 20220043349A KR 102506548 B1 KR102506548 B1 KR 102506548B1
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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, shrinkage compensating agents
- C04B22/008—Cement and like inorganic materials added as expanding or shrinkage compensating ingredients in mortar or concrete compositions, the expansion being the result of a recrystallisation
-
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, 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
- 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
- C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
-
- 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
- C04B28/04—Portland cements
-
- 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
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0032—Controlling the process of mixing, e.g. adding ingredients in a quantity depending on a measured or desired value
-
- 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
-
- 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
- C04B2103/50—Defoamers, air detrainers
-
- 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)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
구 분 | 실시예1 | 실시예2 | 비교예1 | 비교예2 | 비교예3 |
시멘트 | 30 | 34 | 44 | 42 | 42 |
고로슬래그 미분말 | 14 | 5 | 4 | 6 | 6 |
모래 | 43 | 43 | 50 | 43 | 43 |
CSA 팽창재 | 1.3 | 3 | 0 | 0 | 3 |
무기 팽창재 | 1.7 | 5 | 0 | 3 | 0 |
감수제 | 1.0 | 1.0 | 1.0 | 0.9 | 0.9 |
소포제 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
증점제 | 0.3 | 0.3 | 0 | 0.1 | 0.1 |
수축저감제 | 1.0 | 1.0 | 0.8 | 0.8 | 0.8 |
재유화형 분말수지 | 7 | 7 | 0 | 4 | 4 |
고성능유동화제 | 0.6 | 0.6 | 0.1 | 0.1 | 0.1 |
합 | 100 | 100 | 100 | 100 | 100 |
유하시험 (초) |
압축강도 (MPa) |
접착강도 (MPa) |
길이변화율 (%) |
|
실시예 1 | 19.4 | 52.4 | 1.7 | +0.13 |
실시예 2 | 20.2 | 53.4 | 1.9 | +0.18 |
비교예 1 | 30.2 | 56.5 | 1.3 | -0.19 |
비교예 2 | 32.4 | 53.5 | 1.4 | -0.1 |
비교예 3 | 32.2 | 53.5 | 1.4 | -0.08 |
Claims (9)
- 구조물의 시공 및 보수에 사용하는 그라우팅용 팽창 모르타르에 있어서,
상기 팽창 모르타르는 배합재료와 배합수를 포함하되,
상기 배합재료는,
시멘트 30~40 중량%;
결합재 5~15 중량%;
잔골재 43~53 중량%;
팽창재 3~8 중량%;
감수제 0.1~1.8 중량%;
소포제 0.05~0.1 중량%;
증점제 0.01~0.5 중량%;
수축저감제 1.0~2.5 중량%;
재유화형 분말수지 7~15 중량%;
고성능유동화제 0.2~1.2 중량%를 포함하고,
상기 팽창재는 CSA 팽창재 및 무기 팽창재를 포함하되, CSA 팽창재 27~52 중량%, 무기 팽창재 48~73 중량%를 포함하는 것을 특징으로 하는
타설 초기 및 장기 팽창 효과가 우수한 그라우팅용 팽창 모르타르. - 삭제
- 삭제
- 삭제
- 삭제
- 제1항에 있어서,
상기 결합재는 고로슬래그 미분말, 플라이애시 및 실리카 퓸 중 적어도 하나 이상이 포함되는
타설 초기 및 장기 팽창 효과가 우수한 그라우팅용 팽창 모르타르. - 제1항에 있어서,
상기 팽창 모르타르는, 상기 배합재료 100중량부를 기준으로 배합수 19~25중량부를 포함하는 것을 특징으로 하는,
타설 초기 및 장기 팽창 효과가 우수한 그라우팅용 팽창 모르타르. - 제1항에 있어서,
상기 CSA 팽창재의 분말도는 2,000~3,000cm2/g이고,
상기 무기 팽창재의 분말도는 2,500~4,000cm2/g인 것을 특징으로 하는
타설 초기 및 장기 팽창 효과가 우수한 그라우팅용 팽창 모르타르. - 제1항, 제6항 내지 제8항 중 어느 한 항에 있어서,
상기 잔골재는, 0.3~1.2mm 50~60중량%, 1.2~2.0mm 20~25중량%, 2.0~2.5mm 20~25중량%를 포함하는
타설 초기 및 장기 팽창 효과가 우수한 그라우팅용 팽창 모르타르.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102728769B1 (ko) * | 2024-05-23 | 2024-11-12 | 주식회사 지에프시알엔디 | 탄소계 팽창재를 이용한 소일네일링공법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784493B1 (ko) * | 2007-05-14 | 2007-12-11 | (주)에이치비티 | 경량 하이브리드 보수 모르타르 조성물 |
JP2015117166A (ja) * | 2013-12-19 | 2015-06-25 | 太平洋マテリアル株式会社 | モルタル組成物 |
JP6568291B1 (ja) | 2018-11-15 | 2019-08-28 | デンカ株式会社 | セメント混和材、膨張材、及びセメント組成物 |
KR102143854B1 (ko) * | 2019-09-16 | 2020-08-12 | 효림이엔아이(주) | 하이브리드 경량 모르타르 조성물 |
-
2022
- 2022-04-07 KR KR1020220043349A patent/KR102506548B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784493B1 (ko) * | 2007-05-14 | 2007-12-11 | (주)에이치비티 | 경량 하이브리드 보수 모르타르 조성물 |
JP2015117166A (ja) * | 2013-12-19 | 2015-06-25 | 太平洋マテリアル株式会社 | モルタル組成物 |
JP6568291B1 (ja) | 2018-11-15 | 2019-08-28 | デンカ株式会社 | セメント混和材、膨張材、及びセメント組成物 |
KR102143854B1 (ko) * | 2019-09-16 | 2020-08-12 | 효림이엔아이(주) | 하이브리드 경량 모르타르 조성물 |
Non-Patent Citations (1)
Title |
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송태협 외 2인., 한국방재학회지., 제16권 제6호, pp. 1-8 (2016. 12. 공지) 1부.* * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102728769B1 (ko) * | 2024-05-23 | 2024-11-12 | 주식회사 지에프시알엔디 | 탄소계 팽창재를 이용한 소일네일링공법 |
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