JPH0341419B2 - - Google Patents
Info
- Publication number
- JPH0341419B2 JPH0341419B2 JP60093864A JP9386485A JPH0341419B2 JP H0341419 B2 JPH0341419 B2 JP H0341419B2 JP 60093864 A JP60093864 A JP 60093864A JP 9386485 A JP9386485 A JP 9386485A JP H0341419 B2 JPH0341419 B2 JP H0341419B2
- Authority
- JP
- Japan
- Prior art keywords
- aggregate
- concrete
- alkaline
- cement
- reaction
- 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.)
- Expired - Lifetime
Links
- 239000004567 concrete Substances 0.000 claims description 53
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 25
- 239000004568 cement Substances 0.000 claims description 21
- IDNHOWMYUQKKTI-UHFFFAOYSA-M lithium nitrite Chemical compound [Li+].[O-]N=O IDNHOWMYUQKKTI-UHFFFAOYSA-M 0.000 claims description 17
- 230000006866 deterioration Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000012615 aggregate Substances 0.000 description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000011150 reinforced concrete Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 239000011398 Portland cement Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 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
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 2
- 229910052912 lithium silicate Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- JPUAZONARHDEHV-UHFFFAOYSA-N 1-hydroxysulfanylnaphthalene Chemical compound C1=CC=C2C(SO)=CC=CC2=C1 JPUAZONARHDEHV-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 241000356114 Trachytes Species 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000011045 chalcedony Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005332 obsidian Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052611 pyroxene Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9386485A JPS61256951A (ja) | 1985-05-02 | 1985-05-02 | 硬化コンクリ−トの劣化防止方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9386485A JPS61256951A (ja) | 1985-05-02 | 1985-05-02 | 硬化コンクリ−トの劣化防止方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61256951A JPS61256951A (ja) | 1986-11-14 |
| JPH0341419B2 true JPH0341419B2 (de) | 1991-06-24 |
Family
ID=14094307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9386485A Granted JPS61256951A (ja) | 1985-05-02 | 1985-05-02 | 硬化コンクリ−トの劣化防止方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61256951A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01103970A (ja) * | 1987-10-15 | 1989-04-21 | Nissan Chem Ind Ltd | 硬化コンクリートの劣化防止方法 |
| JPH01167288A (ja) * | 1987-12-24 | 1989-06-30 | Mitsubishi Mining & Cement Co Ltd | 劣化したコンクリートの再生方法 |
| GB9102904D0 (en) * | 1991-02-12 | 1991-03-27 | Ici America Inc | Modified cementitious composition |
| GB9126899D0 (en) * | 1991-12-19 | 1992-02-19 | Aston Material Services Ltd | Improvements in and relating to treatments for concrete |
| JPH05214818A (ja) * | 1992-02-07 | 1993-08-24 | Railway Technical Res Inst | 硬化コンクリートの補修方法 |
| JP2007169124A (ja) * | 2005-12-26 | 2007-07-05 | Taiheiyo Material Kk | セメント用収縮低減材 |
| JP6417253B2 (ja) * | 2015-03-26 | 2018-11-07 | 太平洋セメント株式会社 | コンクリート構造体改善用溶液及びその製造方法 |
| JP7361643B2 (ja) * | 2020-03-23 | 2023-10-16 | 株式会社トクヤマ | セメント系硬化体中のプロピオン酸カルシウムの含有量の測定方法、及びセメント系硬化体のアルカリ骨材反応の抑制方法。 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501120A (de) * | 1973-05-07 | 1975-01-08 | ||
| JPS512639A (ja) * | 1974-06-26 | 1976-01-10 | Nissan Chemical Ind Ltd | Boseisoseibutsu |
| JPS5578764A (en) * | 1978-11-08 | 1980-06-13 | Onoda Kenzai Kk | Repair and restoration of reinforced concrete or inorganic material |
| JPS55100250A (en) * | 1979-01-27 | 1980-07-31 | Denki Kagaku Kogyo Kk | Production of concrete molded body |
| JPS55100251A (en) * | 1979-01-27 | 1980-07-31 | Denki Kagaku Kogyo Kk | Cement composition |
| JPS5629904A (en) * | 1979-08-18 | 1981-03-25 | Yanmar Agricult Equip | Harvester |
| JPS5838378A (ja) * | 1981-08-28 | 1983-03-05 | Mitsubishi Electric Corp | 点火時期制御装置 |
| JPS5926957A (ja) * | 1982-08-02 | 1984-02-13 | 旭化成株式会社 | 珪酸カルシウム水和物硬化体の製造方法 |
-
1985
- 1985-05-02 JP JP9386485A patent/JPS61256951A/ja active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501120A (de) * | 1973-05-07 | 1975-01-08 | ||
| JPS512639A (ja) * | 1974-06-26 | 1976-01-10 | Nissan Chemical Ind Ltd | Boseisoseibutsu |
| JPS5578764A (en) * | 1978-11-08 | 1980-06-13 | Onoda Kenzai Kk | Repair and restoration of reinforced concrete or inorganic material |
| JPS55100250A (en) * | 1979-01-27 | 1980-07-31 | Denki Kagaku Kogyo Kk | Production of concrete molded body |
| JPS55100251A (en) * | 1979-01-27 | 1980-07-31 | Denki Kagaku Kogyo Kk | Cement composition |
| JPS5629904A (en) * | 1979-08-18 | 1981-03-25 | Yanmar Agricult Equip | Harvester |
| JPS5838378A (ja) * | 1981-08-28 | 1983-03-05 | Mitsubishi Electric Corp | 点火時期制御装置 |
| JPS5926957A (ja) * | 1982-08-02 | 1984-02-13 | 旭化成株式会社 | 珪酸カルシウム水和物硬化体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61256951A (ja) | 1986-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |