KR102004222B1 - 친환경 골재를 이용한 콘크리트 구조물의 방수 및 보수 보강 공법 - Google Patents
친환경 골재를 이용한 콘크리트 구조물의 방수 및 보수 보강 공법 Download PDFInfo
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- KR102004222B1 KR102004222B1 KR1020180118321A KR20180118321A KR102004222B1 KR 102004222 B1 KR102004222 B1 KR 102004222B1 KR 1020180118321 A KR1020180118321 A KR 1020180118321A KR 20180118321 A KR20180118321 A KR 20180118321A KR 102004222 B1 KR102004222 B1 KR 102004222B1
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- concrete
- furnace slag
- silica
- slag cement
- zirconia
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
- C04B41/522—Multiple coatings, for one of the coatings of which at least one alternative is described
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- 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
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- 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
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- 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
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- 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
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- 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
- C04B28/16—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 containing anhydrite, e.g. Keene's cement
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- C—CHEMISTRY; METALLURGY
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4596—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with fibrous materials or whiskers
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5083—Slag cements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
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- 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
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- 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
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- Y02W30/50—Reuse, recycling or recovery technologies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
도 2는 본 발명의 프라이머 부착성을 나타낸 평가표이다.
도 3은 본 발명의 압축강도를 나타낸 평가표이다.
도 4는 본 발명의 휨강도를 나타낸 평가표이다.
도 5는 본 발명의 길이별화율을 나타낸 평가표이다.
도 6은 본 발명의 내알카리성을 나타낸 평가표이다.
도 7은 본 발명의 콘크리트 구조물 방수 및 보수 보강 공법이 시공된 모습을 보인 요부확대 단면도이다.
20 : 철근
30 : 방청 프라이머
40 : 보수용 모르타르
50 : 표면보호제
Claims (4)
- (a)손상된 콘크리트를 제거하는 단계, (b)노출된 철근의 녹을 제거하는 단계, (c)콘크리트 표면의 바탕처리 단계, (d)고로슬래그 시멘트, 산화 이트륨, 실리카플라워분말, 지르코니아, 바텀애시, 스티렌-부타디엔 공중합체, 천연 규산질광물, 폴리카르본산계 감수제, 섬유보강재를 포함하는 방청 프라이머를 도포하는 단계, (e)혼합규사, 고로슬래그 시멘트, 바텀애시, 실리카플라워분말, 지르코니아, 스티렌-부타디엔 공중합체, 천연 규산질광물, 무수석고, 폴리카르본산계 감수제, 섬유보강재를 포함하는 보수용 모르타르를 충진하는 단계, (f)표면보호제로 중성화 방지제를 도포하는 단계를 포함하는 성능저하로 인하여 손상된 콘크리트 구조물의 단면을 보수하는 방법에 있어서,
상기 방청 프라이머는, 고로슬래그 시멘트 43.45 내지 44.35 wt%, 산화 이트륨 17.95 내지 18.75 wt%, 실리카플라워분말 12.95 내지 13.85 wt%, 지르코니아 8.85 내지 9.85 wt%, 바텀애시 5.65 내지 6.75 wt%, 스티렌-부타디엔 공중합체 4.95 내지 5.25 wt%, 천연 규산질광물 2.75 내지 3.95 wt%, 폴리카르본산계 감수제 0.09 내지 0.40 wt%, 섬유보강재 0.01 내지 0.20 wt%를 포함하고;
상기 보수용 모르타르는, 혼합규사 41.20 내지 45.40 wt%, 고로슬래그 시멘트 37.80 내지 40.40 wt%, 바텀애시 4.50 내지 7.00 wt%, 실리카플라워분말 2.20 내지 5.50 wt%, 지르코니아 2.20 내지 3.30 wt%, 스티렌-부타디엔 공중합체 2.00 내지 2.50 wt%, 천연 규산질광물 0.90 내지 1.70 wt%, 무수석고 0.80 내지 1.60 wt%, 폴리카르본산계 감수제 0.20 내지 0.40 wt%, 섬유보강재 0.10 내지 0.30 wt%를 포함하며;
상기 표면보호제인 중성화 방지제는 150 내지 300㎛ 도막층을 형성하는 것을 특징으로 하는 친환경 골재를 이용한 콘크리트 구조물의 방수 및 보수 보강 공법. - 삭제
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