CN108751869A - A kind of permeable crystallization type self-repair concrete structure and preparation method thereof - Google Patents
A kind of permeable crystallization type self-repair concrete structure and preparation method thereof Download PDFInfo
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- CN108751869A CN108751869A CN201810819124.0A CN201810819124A CN108751869A CN 108751869 A CN108751869 A CN 108751869A CN 201810819124 A CN201810819124 A CN 201810819124A CN 108751869 A CN108751869 A CN 108751869A
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- sodium metasilicate
- concrete
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- crystalline material
- renovation agent
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- 239000004567 concrete Substances 0.000 title claims abstract description 63
- 238000002425 crystallisation Methods 0.000 title claims abstract description 12
- 230000008025 crystallization Effects 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title description 4
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 39
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 39
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 39
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 31
- 238000009418 renovation Methods 0.000 claims abstract description 29
- 239000002178 crystalline material Substances 0.000 claims abstract description 21
- 239000008187 granular material Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003094 microcapsule Substances 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 9
- 229920001249 ethyl cellulose Polymers 0.000 claims description 9
- 239000010881 fly ash Substances 0.000 claims description 9
- 239000001856 Ethyl cellulose Substances 0.000 claims description 8
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 206010011732 Cyst Diseases 0.000 claims description 3
- 235000019738 Limestone Nutrition 0.000 claims description 3
- 239000011398 Portland cement Substances 0.000 claims description 3
- 239000011162 core material Substances 0.000 claims description 3
- 208000031513 cyst Diseases 0.000 claims description 3
- 239000006028 limestone Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 238000005345 coagulation Methods 0.000 claims description 2
- 229920005646 polycarboxylate Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000011376 self-consolidating concrete Substances 0.000 claims 1
- 239000011246 composite particle Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010049119 Emotional distress Diseases 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000009429 distress Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate 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
- 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
- C04B28/04—Portland cements
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1048—Polysaccharides, e.g. cellulose, or derivatives thereof
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of permeable crystallization type self-repair concrete structure, including concrete component, penetrant crystalline material granule and sodium metasilicate renovation agent particle are evenly arranged in the concrete component, the sodium metasilicate renovation agent particle is in microcapsule structure.The present invention also provides a kind of production methods of permeable crystallization type self-repair concrete.The present invention can improve the mechanical property and water impermeability of concrete structure, and the ability for making it have damage self-repairing, to improve concrete structure safety, durability and economy.
Description
Technical field
The present invention relates to a kind of permeable crystallization type self-repair concrete structure and preparation method thereof, including concrete component,
Belong to self-repair concrete and its similar building material field.
Background technology
Concrete is split during normal be on active service since the factors such as environment and fatigue damage inevitably result from
Seam, these cracks provide the channel into inside concrete for extraneous harmful substance, and then accelerate the corrosion of internal reinforcing bar,
Reduce safety and the durability of concrete structure.For fully developed macrocrack, we can easily use meat
Outlook is other, and utilizes traditional means, i.e., structure reinforcing method, grouting method, completion method etc. carry out the reparation in later stage；And for small
Crack is difficult to be detected accurately and in time under existing Detection Techniques, and repairing means using traditional crack at this time reaches
Less than repairing effect, the micro crack for failing effectively to be repaired in time can not only influence normal use performance and the shortening of structure
Service life, it is also possible to be further development of macrocrack and structural fragility is caused to be broken, generate serious catastrophic failure.More
Important to be, conventional fracture repairing means cost is very high, expends a large amount of manpower and materials.Meanwhile for waterproof requirements such as tunnels
Higher structure, concrete used are required have good water impermeability, with ensure the isostructural durability in tunnel and
Safety.
Invention content
In view of this, the present invention caters to the actual needs of building materials Intellectualized Tendency, engineering safety and durability, one kind is provided
Permeable crystallization type self-repair concrete structure and preparation method thereof.
The present invention is realized using following scheme：
A kind of permeable crystallization type self-repair concrete structure, including concrete component are evenly arranged in the concrete component
Penetrant crystalline material granule and sodium metasilicate renovation agent particle, the sodium metasilicate renovation agent particle are in microcapsule structure.
Further, the core materials of the sodium metasilicate renovation agent particle are anhydrous sodium metasilicate, and cyst material is ethyl
Cellulose.
Further, the penetrant crystalline material granule is activated silica penetrant crystalline masterbatch.
Further, the sodium metasilicate renovation agent particle is the sheet-like particle of a diameter of 5 ~ 6mm.
A kind of production method of such as self-repair concrete structure, including step：
Step 1：Make sodium metasilicate renovation agent particle；
Step 2：Concrete mix is designed, determines penetrant crystalline material granule and sodium metasilicate renovation agent particle volume, wherein institute
It is 1.85% ~ 2.15% to state penetrant crystalline material granule substitution cement proportion, the sodium metasilicate renovation agent particle volume and body of cement
Product is than being 4.0% ~ 4.5%；
Step 3：Concrete on casting concrete component, and conserve molding.
Further, the step 1 specifically includes：
Step 11：Ethyl alcohol is poured into a reservoir, then ethyl cellulose is poured into container, is mixed evenly, is made ethyl cellulose
Dissolving；
Step 12：Anhydrous sodium metasilicate is poured into container again, stirring makes to be uniformly mixed；
Step 13：Heat container, accelerating alcohol volatilization, to obtain solid matter；
Step 14：Solid matter is broken into the sheet-like particle of a diameter of 5 ~ 6mm, the sodium metasilicate renovation agent as actually used
Grain.
Further, in the step 2, when the strength grade of the concrete component is C40, its slump be 160 ~
When 200mm, cement consumption is 228 ~ 243 parts, fine aggregate dosage is 700 ~ 750 parts, coarse aggregate dosage is 1060 ~ 1100 parts, water
Dosage is 156 ~ 160 parts, flyash dosage is 111 ~ 114 parts, 40 ~ 43 parts of water-reducing agent dosage.
Further, the cement is 42.5 Portland cements of PO；The flyash is to meet international GB/
II grade of fly ash in electric power plant of 2005 standards of T1506-；The lime stone rubble of 5 ~ 16mm of coarse aggregate continuous gradings；It is described
Fine aggregate is sand in natural river sand and IIth area；The polycarboxylate water-reducer that the water-reducing agent water-reducing rate is 30% and solid content is 40%.
Further, the density of the penetrant crystalline material granule is 2000 ~ 2100kg/m 3。
Further, in step 3, the sodium metasilicate renovation agent composite particles uniformly mix concrete in the form of aggregate
In, it is mixed in concrete together with the penetrant crystalline material granule and cement, the concrete component uses self-compaction coagulation
Soil, the without vibration in casting process.
Compared with prior art, the present invention improves the mechanical property and water impermeability of concrete structure, while also assigning
The ability for having given concrete damage selfreparing has just carried out being directed to and effectively inhibit, greatly in the early stage of development of distress in concrete
The big later stage for reducing crack repairs generated great number cost, greatly improves durability, the safety of concrete structure
And economy.
Description of the drawings
Fig. 1 is the organigram of the self-repair concrete structure of the embodiment of the present invention.
Fig. 2 is the organigram of the sodium metasilicate renovation agent microcapsules of the embodiment of the present invention.
Figure label explanation：1- concrete components, 2- penetrant crystallines material, 3- sodium metasilicate renovation agents particle, 4- are without water silicon
Sour sodium, 5- ethyl celluloses.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, specific embodiment and phase will be passed through below
Attached drawing is closed, invention is further described in detail.
Embodiment one
As shown in Figure 1 and 2, a kind of permeable crystallization type self-repair concrete structure, including concrete component 1, the concrete component
Penetrant crystalline material granule 2 and sodium metasilicate renovation agent particle 3 are evenly arranged in 1, the sodium metasilicate renovation agent particle 3 is in micro-
Capsule structure, wherein the core materials of the sodium metasilicate renovation agent particle 3 are anhydrous sodium metasilicate 4, and cyst material is that ethyl is fine
Dimension element 5.The penetrant crystalline material granule 2 is activated silica penetrant crystalline masterbatch.The sodium metasilicate renovation agent particle 3 is a diameter of
The sheet-like particle of 5 ~ 6mm.
Embodiment two
A kind of production method of such as self-repair concrete structure, including step：
Step 1：Make sodium metasilicate renovation agent particle 3；
Step 2：Concrete mix is designed, determines 3 volume of penetrant crystalline material granule 2 and sodium metasilicate renovation agent particle, wherein
The penetrant crystalline material granule 2 replaces cement proportion to be 1.85% ~ 2.15%, 3 volume of sodium metasilicate renovation agent particle and water
Mud volume ratio is 4.0% ~ 4.5%；
Step 3：Concrete on casting concrete component, and conserve molding.
In the present embodiment, the step 1 specifically includes：
Step 11：Ethyl alcohol is poured into a reservoir, then ethyl cellulose 5 is poured into container, is mixed evenly, is made ethyl cellulose
5 dissolvings；
Step 12：Anhydrous sodium metasilicate 4 is poured into container again, stirring makes to be uniformly mixed；
Step 13：Heat container, accelerating alcohol volatilization, to obtain solid matter；
Step 14：Solid matter is broken into the sheet-like particle of a diameter of 5 ~ 6mm, the sodium metasilicate renovation agent as actually used
Grain 3.
In step 2 described in the present embodiment, when the strength grade of the concrete component 1 is C40, its slump be 160 ~
When 200mm, cement consumption is 228 ~ 243 parts, fine aggregate dosage is 700 ~ 750 parts, coarse aggregate dosage is 1060 ~ 1100 parts, water
Dosage is 156 ~ 160 parts, flyash dosage is 111 ~ 114 parts, 40 ~ 43 parts of water-reducing agent dosage.
Specifically, in the present embodiment, the cement is 42.5 Portland cements of PO；The flyash is to meet state
II grade of fly ash in electric power plant of the border standards of GB/ T1506-2005；The lime stone of 5 ~ 16mm of coarse aggregate continuous gradings is broken
Stone；The fine aggregate is sand in natural river sand and IIth area；The polycarboxylic acids that the water-reducing agent water-reducing rate is 30% and solid content is 40%
Water-reducing agent, 2 activated silica penetrant crystalline masterbatch of the penetrant crystalline material granule, density are 2000 ~ 2100kg/m 3。
Step 3 pours in manufacturing process, and uniformly incorporation is mixed in the form of aggregate for the sodium metasilicate renovation agent composite particles 3
It in solidifying soil, is mixed in concrete together with the penetrant crystalline material granule 2 and cement, the concrete component 1 is used from close
Real concrete, the without vibration in casting process.
The concrete component 1 of above-described embodiment exists due to mixing penetrant crystalline material granule 2, active chemistry therein
Inside concrete reacts with unhydrated cement granules, generates insoluble crystalline material, be filled in distress in concrete or
In gap, play the role of air-free concrete, improve intensity, that is, improves the impermeability and mechanical property of concrete.Meanwhile working as crack
Split generate and through sodium metasilicate renovation agent composite particles 3 make anhydrous sodium metasilicate 4 expose, and then with the hydroxide in concrete substrate
Calcium reaction generates the hydrated calcium silicate gel in filling crack, and then crack is made to be closed.
It should be noted that the foregoing is merely illustrative of the preferred embodiments of the present invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, made by all any modification, equivalent and improvement etc., should be included in the protection of the present invention
Range.
Claims (10)
1. a kind of permeable crystallization type self-repair concrete structure, including concrete component（1）, it is characterised in that：The concrete
It is evenly arranged with penetrant crystalline material granule in component (1)（2）And sodium metasilicate renovation agent particle（3）, the sodium metasilicate reparation
Agent particle（3）In microcapsule structure.
2. permeable crystallization type self-repair concrete structure according to claim 1, it is characterised in that：The sodium metasilicate is repaiied
Multiple agent particle（3）Core materials be anhydrous sodium metasilicate（4）, cyst material is ethyl cellulose（5）.
3. permeable crystallization type self-repair concrete structure according to claim 1, it is characterised in that：The penetrant crystalline material
Expect particle（2）For activated silica penetrant crystalline masterbatch.
4. permeable crystallization type self-repair concrete structure according to claim 1, it is characterised in that：The sodium metasilicate reparation
Agent particle（3）For the sheet-like particle of a diameter of 5 ~ 6mm.
5. a kind of production method of the self-repair concrete structure as described in any one of claim 1-4, which is characterized in that including
Step：
Step 1：Make sodium metasilicate renovation agent particle（3）；
Step 2：Concrete mix is designed, determines penetrant crystalline material granule（2）With sodium metasilicate renovation agent particle（3）Volume,
Wherein, the penetrant crystalline material granule（2）It is 1.85% ~ 2.15% to replace cement proportion, the sodium metasilicate renovation agent particle（3）
Volume is 4.0% ~ 4.5% with cement volume ratio；
Step 3：Concrete on casting concrete component, and conserve molding.
6. production method according to claim 5, which is characterized in that the step 1 specifically includes：
Step 11：Pour into ethyl alcohol in a reservoir, then by ethyl cellulose（5）Container is poured into, is mixed evenly, ethyl cellulose is made
Element（5）Dissolving；
Step 12：Again by anhydrous sodium metasilicate（4）Container is poured into, stirring makes to be uniformly mixed；
Step 13：Heat container, accelerating alcohol volatilization, to obtain solid matter；
Step 14：Solid matter is broken into the sheet-like particle of a diameter of 5 ~ 6mm, the sodium metasilicate renovation agent as actually used
Grain（3）.
7. production method according to claim 5, which is characterized in that in the step 2, when the concrete component
（1）Strength grade be C40, when its slump is 160 ~ 200mm, cement consumption is 228 ~ 243 parts, fine aggregate dosage be 700 ~
750 parts, coarse aggregate dosage be 1060 ~ 1100 parts, water consumption is 156 ~ 160 parts, flyash dosage is 111 ~ 114 parts, water-reducing agent
40 ~ 43 parts of dosage.
8. production method according to claim 7, which is characterized in that the cement is 42.5 Portland cements of PO；
The flyash is II grade of fly ash in electric power plant for meeting the international standards of GB/ T1506-2005；5 ~ the 16mm of coarse aggregate
The lime stone rubble of continuous grading；The fine aggregate is sand in natural river sand and IIth area；The water-reducing agent water-reducing rate is 30% and consolidates
The polycarboxylate water-reducer that content is 40%.
9. production method according to claim 5, which is characterized in that the penetrant crystalline material granule（2）Density be
2000~2100kg/m 3。
10. production method according to claim 5, which is characterized in that in step 3, compound of the sodium metasilicate renovation agent
Grain（3）It is uniformly mixed in concrete in the form of aggregate, the penetrant crystalline material granule（2）With coagulation is mixed together with cement
In soil, the concrete component (1) uses self-compacting concrete, the without vibration in casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819124.0A CN108751869A (en) | 2018-07-24 | 2018-07-24 | A kind of permeable crystallization type self-repair concrete structure and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819124.0A CN108751869A (en) | 2018-07-24 | 2018-07-24 | A kind of permeable crystallization type self-repair concrete structure and preparation method thereof |
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|---|---|
| CN108751869A true CN108751869A (en) | 2018-11-06 |
Family
ID=63970958
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| CN201810819124.0A Pending CN108751869A (en) | 2018-07-24 | 2018-07-24 | A kind of permeable crystallization type self-repair concrete structure and preparation method thereof |
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Cited By (8)
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| CN110510910A (en) * | 2019-09-26 | 2019-11-29 | 交通运输部公路科学研究所 | A kind of thin micro crack microcapsules self-repair material of the concrete that cyst wall is degradable |
| WO2020173220A3 (en) * | 2019-02-27 | 2020-10-22 | 詹仰东 | Nano-modified silicate-based permeating and crystallizing material and method of using same |
| CN112456854A (en) * | 2020-11-13 | 2021-03-09 | 华南理工大学 | Sodium silicate composite self-repairing concrete structure and preparation method thereof |
| CN112456899A (en) * | 2020-11-13 | 2021-03-09 | 华南理工大学 | Permeable crystallization composite self-repairing concrete structure and manufacturing method thereof |
| CN113045283A (en) * | 2021-03-24 | 2021-06-29 | 交通运输部公路科学研究所 | Intelligent trigger type concrete micro-crack self-repairing microcapsule and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173220A3 (en) * | 2019-02-27 | 2020-10-22 | 詹仰东 | Nano-modified silicate-based permeating and crystallizing material and method of using same |
| CN110510910A (en) * | 2019-09-26 | 2019-11-29 | 交通运输部公路科学研究所 | A kind of thin micro crack microcapsules self-repair material of the concrete that cyst wall is degradable |
| CN112456854A (en) * | 2020-11-13 | 2021-03-09 | 华南理工大学 | Sodium silicate composite self-repairing concrete structure and preparation method thereof |
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