KR101073967B1 - 고성능 습식 숏크리트 프리믹스 조성물 및 이를 이용한 습식 숏크리트 보수 및 보강공법 - Google Patents
고성능 습식 숏크리트 프리믹스 조성물 및 이를 이용한 습식 숏크리트 보수 및 보강공법 Download PDFInfo
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- KR101073967B1 KR101073967B1 KR1020080127069A KR20080127069A KR101073967B1 KR 101073967 B1 KR101073967 B1 KR 101073967B1 KR 1020080127069 A KR1020080127069 A KR 1020080127069A KR 20080127069 A KR20080127069 A KR 20080127069A KR 101073967 B1 KR101073967 B1 KR 101073967B1
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- shotcrete
- parts
- high performance
- premix composition
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- 239000011378 shotcrete Substances 0.000 title claims abstract description 68
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 25
- 230000008439 repair process Effects 0.000 title claims description 12
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 10
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 5
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000006866 deterioration Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 20
- 238000010276 construction Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 5
- 239000004567 concrete Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003908 quality control method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
-
- 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
-
- 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
-
- 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
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/304—Air-entrainers
-
- 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
- C04B2103/44—Thickening, gelling or viscosity increasing 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
Claims (7)
- 시멘트와 실리카 흄을 포함하는 바인더 440~460 kg/㎥가 포함되고,상기 바인더 100중량부에는 상기 실리카 흄 9~12 중량부가 포함되며,상기 바인더 100중량부에 추가로 합성섬유 0.1~0.3 중량부가 포함되고,잔골재율(S/a)은 65~70 중량%, 물-바인더비(W/B)는 41~43.5 중량%, 굵은골재 최대치수는 10mm인 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제1항에 있어서,폴리머 3~4 중량부를 더 포함하는 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제2항에 있어서,고성능 감수제 0.1~0.2 중량부를 더 포함하는 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제3항에 있어서,상기 고성능 감수제는 폴리카본산계인 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제4항에 있어서,증점제 0.2~0.3 중량부를 더 포함하는 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제5항에 있어서,AE제 0.005~0.01 중량부를 더 포함하는 것을 특징으로 하는 고성능 습식 숏크리트 프리믹스 조성물.
- 제1항 내지 제6항 중 어느 한 항의 프리믹스 조성물을 이용한 습식 숏크리트 공법으로서,열화부를 조사하고, 보수 및 보강대상을 선정하는 단계;Hydrodemolition을 이용하여 열화부를 제거하는 단계;상기 프리믹스 조성물을 현장에서 생산하여 포설하는 단계;상기 포설된 표면을 마무리하는 단계;를포함하는 습식 숏크리트 보수 및 보강공법.
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KR1020080127069A KR101073967B1 (ko) | 2008-12-15 | 2008-12-15 | 고성능 습식 숏크리트 프리믹스 조성물 및 이를 이용한 습식 숏크리트 보수 및 보강공법 |
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KR1020080127069A KR101073967B1 (ko) | 2008-12-15 | 2008-12-15 | 고성능 습식 숏크리트 프리믹스 조성물 및 이를 이용한 습식 숏크리트 보수 및 보강공법 |
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KR20100068642A KR20100068642A (ko) | 2010-06-24 |
KR101073967B1 true KR101073967B1 (ko) | 2011-10-17 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101246407B1 (ko) * | 2012-11-30 | 2013-03-22 | 삼성물산 주식회사 | 고강도 숏크리트용 시멘트 광물계 급결제를 포함한 숏크리트 조성물 |
KR101415891B1 (ko) | 2013-12-19 | 2014-07-09 | 강원대학교산학협력단 | 고성능 숏크리트와 보강부재를 이용한 합체식 사면 보강방법 |
KR101582998B1 (ko) * | 2014-06-27 | 2016-01-06 | 강원대학교산학협력단 | 기포 숏크리트를 이용한 2층 콘크리트 포장시스템 및 방법 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101248546B1 (ko) * | 2010-10-12 | 2013-04-02 | 대상이앤씨(주) | 숏크리트를 이용한 벽면 마감공법 |
KR101151907B1 (ko) * | 2011-10-28 | 2012-05-31 | 강원대학교산학협력단 | 고성능 습식 숏크리트 조성물을 이용한 봅슬레이 경기장의 시공방법 |
KR101157874B1 (ko) * | 2011-10-28 | 2012-06-22 | 강원대학교산학협력단 | 고성능 습식 숏크리트 조성물과 이를 이용한 경관 구조물의 시공방법 |
KR101466351B1 (ko) * | 2012-05-17 | 2014-12-10 | 대상이앤씨(주) | 고성능 습식 숏크리트와 생태그물망을 이용한 사면 경관식생 시공방법 |
WO2015152567A1 (ko) * | 2014-03-31 | 2015-10-08 | 강원대학교산학협력단 | 보통콘크리트에 기포 혼입 후 숏팅을 통한 섬유보강콘크리트 제조장치 및 이의 제조방법 |
KR101692017B1 (ko) | 2014-03-31 | 2017-01-03 | 강원대학교산학협력단 | 보통콘크리트에 기포 혼입 후 숏팅을 통한 섬유보강콘크리트 제조장치 및 이의 제조방법 |
CN112897945A (zh) * | 2020-06-11 | 2021-06-04 | 陕西拉发纪新材料科技有限公司 | 一种煤矿巷道用高强度、耐腐蚀湿喷喷料及其施工工艺 |
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KR100820914B1 (ko) | 2007-04-17 | 2008-04-11 | 주식회사 포스코건설 | 패트화이버가 혼합된 숏크리트 조성물의 제조방법 |
KR100873514B1 (ko) | 2007-09-03 | 2008-12-15 | 한국건설기술연구원 | 초고강도 콘크리트용 결합재 및 이를 이용한 콘크리트의제조방법 |
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- 2008-12-15 KR KR1020080127069A patent/KR101073967B1/ko active IP Right Grant
Patent Citations (2)
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KR100820914B1 (ko) | 2007-04-17 | 2008-04-11 | 주식회사 포스코건설 | 패트화이버가 혼합된 숏크리트 조성물의 제조방법 |
KR100873514B1 (ko) | 2007-09-03 | 2008-12-15 | 한국건설기술연구원 | 초고강도 콘크리트용 결합재 및 이를 이용한 콘크리트의제조방법 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101246407B1 (ko) * | 2012-11-30 | 2013-03-22 | 삼성물산 주식회사 | 고강도 숏크리트용 시멘트 광물계 급결제를 포함한 숏크리트 조성물 |
KR101415891B1 (ko) | 2013-12-19 | 2014-07-09 | 강원대학교산학협력단 | 고성능 숏크리트와 보강부재를 이용한 합체식 사면 보강방법 |
KR101582998B1 (ko) * | 2014-06-27 | 2016-01-06 | 강원대학교산학협력단 | 기포 숏크리트를 이용한 2층 콘크리트 포장시스템 및 방법 |
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KR20100068642A (ko) | 2010-06-24 |
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