JP5219180B2 - コンクリートの補修工法および補修材料 - Google Patents
コンクリートの補修工法および補修材料 Download PDFInfo
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- JP5219180B2 JP5219180B2 JP2006024148A JP2006024148A JP5219180B2 JP 5219180 B2 JP5219180 B2 JP 5219180B2 JP 2006024148 A JP2006024148 A JP 2006024148A JP 2006024148 A JP2006024148 A JP 2006024148A JP 5219180 B2 JP5219180 B2 JP 5219180B2
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- Prior art keywords
- concrete
- repair
- fly ash
- elastic
- surface covering
- 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.)
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- 239000000463 material Substances 0.000 title claims description 154
- 239000004567 concrete Substances 0.000 title claims description 80
- 230000008439 repair process Effects 0.000 title claims description 40
- 238000000034 method Methods 0.000 title claims description 31
- 238000000576 coating method Methods 0.000 claims description 51
- 239000011248 coating agent Substances 0.000 claims description 45
- 239000010881 fly ash Substances 0.000 claims description 31
- 239000000853 adhesive Substances 0.000 claims description 27
- 230000001070 adhesive effect Effects 0.000 claims description 26
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 11
- 229920006311 Urethane elastomer Polymers 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 239000002585 base Substances 0.000 description 31
- 238000005260 corrosion Methods 0.000 description 22
- 230000007797 corrosion Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 12
- 239000010883 coal ash Substances 0.000 description 11
- 230000003014 reinforcing effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004606 Fillers/Extenders Substances 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011787 zinc oxide Substances 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
- 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
- C04B41/46—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 organic materials
- C04B41/48—Macromolecular compounds
- C04B41/488—Other macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
- C04B41/4884—Polyurethanes; Polyisocyanates
-
- 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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Description
例えば、特許文献1記載のものがその一例である。
(断面修復工程)
(テープ貼り付け工程)
(接着剤塗布工程)
(表面被覆材の被覆工程)
(表面被覆材の一例)
(非接着箇所の幅)
(表面被覆材の破断特性試験)
(破断特性試験の結果)
(腐食抑制効果確認試験)
(表面被覆工法の効果検討)
(自然電位の経時変化)
2 ひび割れ部
5 テープ
6 接着剤
7 非接着部分
8 表面被覆材
Claims (4)
- 母材コンクリート外表面を伸び縮み可能な弾性材料による表面被覆材で被覆することによりひび割れ部の内部空間を外部から遮断させることを特徴とするコンクリートの補修工法であって、
前記表面被覆材は、弾性ウレタン100重量部に対して、フライアッシュを1〜50重量部の範囲で弾性ウレタンにフライアッシュを混入して形成されたことを特徴とするコンクリートの補修工法。 - 母材コンクリート外表面を伸び縮み可能な弾性材料による表面被覆材で被覆することによりひび割れ部の内部空間を外部から遮断させることを特徴とするコンクリートの補修工法であって、
ひび割れ部およびひび割れ部近傍の母材コンクリート側の外表面と表面被覆材との間に、該外表面と該表面被覆材とが接着剤のみを介して付着していない箇所を設けることを特徴とするコンクリートの補修工法。 - 前記表面被覆材は、弾性ウレタンにフライアッシュを混入して形成されたことを特徴とする請求項2に記載のコンクリ−トの補修工法。
- ウレタンゴムとフライアッシュとを混合したコンクリート補修材料であって、
ウレタンゴム100重量部に対して、フライアッシュを1〜50重量部混合して構成されていることを特徴とするコンクリート補修材料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006024148A JP5219180B2 (ja) | 2006-02-01 | 2006-02-01 | コンクリートの補修工法および補修材料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006024148A JP5219180B2 (ja) | 2006-02-01 | 2006-02-01 | コンクリートの補修工法および補修材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007204304A JP2007204304A (ja) | 2007-08-16 |
JP5219180B2 true JP5219180B2 (ja) | 2013-06-26 |
Family
ID=38484093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006024148A Active JP5219180B2 (ja) | 2006-02-01 | 2006-02-01 | コンクリートの補修工法および補修材料 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5219180B2 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6347411A (ja) * | 1986-08-13 | 1988-02-29 | Nitto Chem Ind Co Ltd | 薬剤の注入方法 |
JP3188937B2 (ja) * | 1997-01-31 | 2001-07-16 | 株式会社フッコ− | 仕上用ポリマ−セメント系組成物、及びそれを用いたセメント系成型品の製造方法 |
JP4647767B2 (ja) * | 2000-10-26 | 2011-03-09 | 太平洋マテリアル株式会社 | 水硬性組成物及びそのペースト、モルタル、コンクリート |
JP2005193142A (ja) * | 2004-01-07 | 2005-07-21 | Dyflex Holdings:Kk | コンクリート構造物の表面被覆方法、コンクリート構造物の表面被覆構造 |
JP2006008421A (ja) * | 2004-06-22 | 2006-01-12 | Univ Nihon | 断面補修用非流動性モルタル組成物 |
JP4629501B2 (ja) * | 2005-05-31 | 2011-02-09 | コニシ株式会社 | クラックの補修方法 |
-
2006
- 2006-02-01 JP JP2006024148A patent/JP5219180B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2007204304A (ja) | 2007-08-16 |
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