DE3781359T2 - Elektrochemische re-alkalisation von beton. - Google Patents
Elektrochemische re-alkalisation von beton.Info
- Publication number
- DE3781359T2 DE3781359T2 DE19873781359 DE3781359T DE3781359T2 DE 3781359 T2 DE3781359 T2 DE 3781359T2 DE 19873781359 DE19873781359 DE 19873781359 DE 3781359 T DE3781359 T DE 3781359T DE 3781359 T2 DE3781359 T2 DE 3781359T2
- Authority
- DE
- Germany
- Prior art keywords
- concrete
- reinforcing element
- electrode
- mortar
- cement
- 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.)
- Revoked
Links
- 239000004567 concrete Substances 0.000 title claims description 32
- 238000000034 method Methods 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 5
- -1 hydroxyl ions Chemical class 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 239000006072 paste Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 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 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 2
- 229930006000 Sucrose Natural products 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000011490 mineral wool Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000005720 sucrose Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 159000000007 calcium salts Chemical class 0.000 claims 1
- 239000011083 cement mortar Substances 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 20
- 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
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO861737A NO160696C (no) | 1986-05-02 | 1986-05-02 | Elektrokjemisk re-alkalinisering av betong. |
| PCT/NO1987/000030 WO1987006521A1 (en) | 1986-05-02 | 1987-04-30 | Electrochemical re-alkalization of concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3781359D1 DE3781359D1 (de) | 1992-10-01 |
| DE3781359T2 true DE3781359T2 (de) | 1993-03-18 |
Family
ID=19888899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873781359 Revoked DE3781359T2 (de) | 1986-05-02 | 1987-04-30 | Elektrochemische re-alkalisation von beton. |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | ATE79797T1 (da) |
| DE (1) | DE3781359T2 (da) |
| DK (1) | DK158902C (da) |
| NO (2) | NO160696C (da) |
-
1986
- 1986-05-02 NO NO861737A patent/NO160696C/no unknown
-
1987
- 1987-04-30 AT AT87902790T patent/ATE79797T1/de not_active IP Right Cessation
- 1987-04-30 DE DE19873781359 patent/DE3781359T2/de not_active Revoked
- 1987-12-23 DK DK683087A patent/DK158902C/da not_active IP Right Cessation
- 1987-12-28 NO NO875438A patent/NO161454C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO160696B (no) | 1989-02-13 |
| NO160696C (no) | 1989-05-24 |
| NO861737L (no) | 1987-11-03 |
| DE3781359D1 (de) | 1992-10-01 |
| DK158902B (da) | 1990-07-30 |
| NO161454B (no) | 1989-05-08 |
| NO161454C (no) | 1989-08-16 |
| DK683087A (da) | 1987-12-23 |
| DK158902C (da) | 1991-01-07 |
| NO875438D0 (no) | 1987-12-28 |
| DK683087D0 (da) | 1987-12-23 |
| NO875438L (no) | 1987-12-28 |
| ATE79797T1 (de) | 1992-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8363 | Opposition against the patent | ||
| 8331 | Complete revocation |