CN115490487A - Upward rapid repairing agent for uninterrupted traffic of bridges and tunnels - Google Patents
Upward rapid repairing agent for uninterrupted traffic of bridges and tunnels Download PDFInfo
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- CN115490487A CN115490487A CN202211061251.1A CN202211061251A CN115490487A CN 115490487 A CN115490487 A CN 115490487A CN 202211061251 A CN202211061251 A CN 202211061251A CN 115490487 A CN115490487 A CN 115490487A
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- 239000000843 powder Substances 0.000 claims abstract description 78
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 69
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 42
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 42
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 31
- 235000010755 mineral Nutrition 0.000 claims abstract description 31
- 239000011707 mineral Substances 0.000 claims abstract description 31
- 239000004568 cement Substances 0.000 claims abstract description 26
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000292 calcium oxide Substances 0.000 claims abstract description 21
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 21
- 229910001388 sodium aluminate Inorganic materials 0.000 claims abstract description 21
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000011398 Portland cement Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 7
- 239000004816 latex Substances 0.000 claims description 24
- 229920000126 latex Polymers 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 19
- 239000000314 lubricant Substances 0.000 claims description 18
- 230000009974 thixotropic effect Effects 0.000 claims description 18
- 239000006004 Quartz sand Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 230000008439 repair process Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 6
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 6
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 6
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims 1
- 238000013329 compounding Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
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Images
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
- C04B28/06—Aluminous 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of building materials, and discloses an upward rapid repairing agent for uninterrupted traffic of bridges and tunnels, which comprises the following raw materials in parts by weight: the composite cement is prepared by compounding ordinary portland cement and quick-hardening sulphoaluminate cement, and the mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash. The rapid face-up repairing agent for uninterrupted traffic of bridges and tunnels is characterized in that substances such as sodium aluminate, sodium carbonate, quick lime and mineral micro powder are added, so that the repairing agent can carry out face-up repairing construction on bridge and tunnel engineering without interrupting traffic, is early strong and rapid, greatly improves the water retention rate of the repairing agent through a water retaining agent, and improves the bonding force and the compressive strength of the repairing agent and a base layer through the addition of the substances such as the mineral micro powder and PVA fibers.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an upward rapid repairing agent for uninterrupted traffic of bridges and tunnels.
Background
With the development of national economy, more and more bridges and tunnels are poured by concrete, concrete pavements are damaged to different degrees in the long-term use process, and repairing agents are needed to repair the damaged parts of the bridges and tunnels.
When the existing repairing agent is used for repairing the damaged part of the bridge or tunnel, the problems of poor sagging resistance, poor water retention and inconvenience in maintenance exist, the bonding force with the base layer concrete is poor, hollowing is easily caused, even the repairing layer falls off, and meanwhile, the upward surface of the bridge or tunnel concrete cannot be maintained under uninterrupted traffic, so that the upward surface rapid repairing agent for uninterrupted traffic of the bridge or tunnel is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an upward rapid repairing agent for uninterrupted traffic of bridges and tunnels, which has the advantages of strong cohesive force, good water retention, high compressive strength and the like, and solves the problems of poor anti-sagging performance, poor water retention and inconvenient maintenance when the existing repairing agent is used for repairing the damaged parts of the bridges and tunnels, and the problems that the adhesion with base layer concrete is poor, hollowing and even falling of a repairing layer are easily caused, and the upward maintenance of the bridge and tunnel concrete cannot be carried out without interrupting the traffic.
(II) technical scheme
In order to realize the purposes of strong binding power, good water retention and high compression strength, the invention provides the following technical scheme: an upward face rapid repairing agent for uninterrupted traffic of bridges and tunnels comprises the following raw materials in parts by weight: 100-300 parts of compound cement, 300-600 parts of quartz sand, 50-300 parts of mineral micro powder, 6-20 parts of latex powder, 1-5 parts of water-retaining agent, 1-4 parts of thixotropic lubricant, 1-3 parts of PVA fiber, 4-6 parts of sodium aluminate, 4-6 parts of sodium carbonate and 2-3 parts of quicklime.
Preferably, the compound cement is prepared by compounding ordinary portland cement and quick-hardening sulphoaluminate cement.
Preferably, the ratio of the ordinary portland cement to the quick-hardening sulphoaluminate is 10: (1-3).
Preferably, the grade of the mineral micro powder is S95 or above.
Preferably, the mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash.
Preferably, the latex powder is Wake 5010 redispersible latex powder.
Preferably, the water retaining agent is hydroxypropyl methyl cellulose.
Preferably, the thixotropic lubricant is Optibent 602.
An overhead rapid repairing agent for uninterrupted traffic of bridges and tunnels, which is prepared by the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quicklime uniformly, and filtering and screening to obtain a powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
Preferably, in the step 1, the sodium aluminate, the sodium carbonate and the quicklime are stirred, mixed uniformly, filtered and sieved to obtain the powder 1, wherein the particle size of the powder 1 is less than 80 microns.
(III) advantageous effects
Compared with the prior art, the invention provides an upward rapid repairing agent for uninterrupted traffic of bridges and tunnels, which has the following beneficial effects:
the rapid face-up repairing agent for uninterrupted traffic of bridges and tunnels enables the repairing agent to carry out face-up repairing construction on bridge and tunnel engineering without interrupting traffic by adding substances such as sodium aluminate, sodium carbonate, quick lime, mineral micro powder and the like, is high in early strength and rapid hardening, greatly improves the water retention rate of the repairing agent by virtue of the water retention agent, improves the bonding force and the compressive strength of the repairing agent and a base layer by adding substances such as the mineral micro powder, PVA fibers and the like, and is not less than 1.5MPa in bonding force with the base layer, not less than 90% in water retention rate and not less than 45MPa in 28-day compressive strength.
Drawings
Fig. 1 is a diagram showing the detection result of the preferred embodiment of the overhead rapid repairing agent for uninterrupted traffic in bridges and tunnels according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: an upward face rapid repairing agent for uninterrupted traffic of bridges and tunnels comprises the following raw materials in parts by weight: 300 parts of compound cement, 600 parts of quartz sand, 80 parts of mineral micro powder, 10 parts of latex powder, 3 parts of water-retaining agent, 3 parts of thixotropic lubricant, 3 parts of PVA fiber, 6 parts of sodium aluminate, 6 parts of sodium carbonate and 3 parts of quick lime. Wherein the water-material ratio is 20 percent.
The compound cement is prepared by compounding ordinary Portland cement and quick-hardening sulphoaluminate cement.
The ratio of the ordinary portland cement to the quick-hardening sulphoaluminate is 10:3.
the grade of the mineral micro powder is S95 or above.
The mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash.
The latex powder is Wake 5010 redispersible latex powder.
The water retention agent is hydroxypropyl methyl cellulose.
The thixotropic lubricant was Optibent 602.
An overhead rapid repairing agent for uninterrupted traffic of bridges and tunnels, which is prepared by the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quicklime uniformly, and filtering and screening to obtain a powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
In the step 1, sodium aluminate, sodium carbonate and quicklime are stirred, mixed uniformly, filtered and sieved to obtain powder 1, wherein the particle size of the powder 1 is less than 80 microns.
The implementation effect is as follows: the product test results are shown in FIG. 1.
Example two: an upward face rapid repairing agent for uninterrupted traffic of bridges and tunnels comprises the following raw materials in parts by weight: 250 parts of compound cement, 600 parts of quartz sand, 130 parts of mineral micro powder, 11 parts of latex powder, 3 parts of water-retaining agent, 3 parts of thixotropic lubricant, 3 parts of PVA fiber, 6 parts of sodium aluminate, 6 parts of sodium carbonate and 3 parts of quick lime. Wherein the water-material ratio is 20 percent.
The compound cement is prepared by compounding ordinary Portland cement and quick-hardening sulphoaluminate cement.
The proportion of the ordinary portland cement to the quick-hardening sulphoaluminate is 10:2.
the grade of the mineral micro powder is S95 or above.
The mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash.
The latex powder is Wake 5010 redispersible latex powder.
The water retention agent is hydroxypropyl methyl cellulose.
The thixotropic lubricant was Optibent 602.
An overhead rapid repairing agent for uninterrupted traffic of bridges and tunnels, which is prepared by the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quick lime uniformly, and filtering and screening to obtain powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
In the step 1, sodium aluminate, sodium carbonate and quicklime are stirred, mixed uniformly, filtered and sieved to obtain powder 1, wherein the particle size of the powder 1 is less than 80 microns.
The implementation effect is as follows: the product test results are shown in FIG. 1.
Example three: a face-up rapid repairing agent for uninterrupted bridge and tunnel traffic comprises the following raw materials in parts by weight: 200 parts of compound cement, 600 parts of quartz sand, 180 parts of mineral micro powder, 12 parts of latex powder, 2 parts of water-retaining agent, 3 parts of thixotropic lubricant, 3 parts of PVA fiber, 5 parts of sodium aluminate, 5 parts of sodium carbonate and 2 parts of quicklime. Wherein the water-material ratio is 20 percent.
The compound cement is prepared by compounding ordinary Portland cement and quick-hardening sulphoaluminate cement.
The proportion of the ordinary portland cement to the quick-hardening sulphoaluminate is 10:3.
the grade of the mineral micro powder is S95 or above.
The mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash.
The latex powder is Wake 5010 re-dispersible latex powder.
The water retention agent is hydroxypropyl methyl cellulose.
The thixotropic lubricant is Optibent 602.
An overhead rapid repairing agent for uninterrupted traffic of bridges and tunnels, which is prepared by the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quicklime uniformly, and filtering and screening to obtain a powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
In the step 1, sodium aluminate, sodium carbonate and quick lime are stirred, mixed uniformly, filtered and screened to obtain powder 1, wherein the particle size of the powder 1 is less than 80 microns.
The implementation effect is as follows: the product test results are shown in FIG. 1.
Example four: an upward face rapid repairing agent for uninterrupted traffic of bridges and tunnels comprises the following raw materials in parts by weight: 225 parts of compound cement, 600 parts of quartz sand, 160 parts of mineral micro powder, 12 parts of latex powder, 2 parts of water-retaining agent, 3 parts of thixotropic lubricant, 3 parts of PVA fiber, 4 parts of sodium aluminate, 6 parts of sodium carbonate and 2 parts of quicklime. Wherein the water-material ratio is 20 percent.
The compound cement is prepared by compounding ordinary Portland cement and quick-hardening sulphoaluminate cement.
The ratio of the ordinary portland cement to the quick-hardening sulphoaluminate is 10:2.
the grade of the mineral micro powder is S95 or above.
The mineral micro powder is selected from at least one of granulated blast furnace slag, silica fume and first-grade fly ash.
The latex powder is Wake 5010 re-dispersible latex powder.
The water retention agent is hydroxypropyl methyl cellulose.
The thixotropic lubricant was Optibent 602.
A face-up rapid repairing agent for uninterrupted traffic of bridges and tunnels is prepared by the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quicklime uniformly, and filtering and screening to obtain a powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
In the step 1, sodium aluminate, sodium carbonate and quicklime are stirred, mixed uniformly, filtered and sieved to obtain powder 1, wherein the particle size of the powder 1 is less than 80 microns.
The implementation effect is as follows: the product test results are shown in FIG. 1.
The beneficial effects of the invention are: the rapid face-up repairing agent for uninterrupted traffic of bridges and tunnels enables the repairing agent to carry out face-up repairing construction on bridge and tunnel engineering without interrupting traffic by adding substances such as sodium aluminate, sodium carbonate, quick lime, mineral micro powder and the like, is high in early strength and rapid hardening, greatly improves the water retention rate of the repairing agent by virtue of the water retention agent, improves the bonding force and the compressive strength of the repairing agent and a base layer by adding substances such as the mineral micro powder, PVA fibers and the like, and is not less than 1.5MPa in bonding force with the base layer, not less than 90% in water retention rate and not less than 45MPa in 28-day compressive strength.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The face-up quick repairing agent for uninterrupted traffic of bridges and tunnels is characterized by comprising the following raw materials in parts by weight: 100-300 parts of compound cement, 300-600 parts of quartz sand, 50-300 parts of mineral micro powder, 6-20 parts of latex powder, 1-5 parts of water-retaining agent, 1-4 parts of thixotropic lubricant, 1-3 parts of PVA fiber, 4-6 parts of sodium aluminate, 4-6 parts of sodium carbonate and 2-3 parts of quicklime.
2. The upward rapid repairing agent for uninterrupted traffic of bridges and tunnels according to claim 1, wherein the compound cement is a compound of ordinary portland cement and sulphoaluminate rapid hardening cement.
3. The rapid repair agent for tunnel-bridge uninterrupted traffic on the back according to claim 2, wherein the ratio of ordinary portland cement to rapid hardening sulphoaluminate is 10: (1-3).
4. The rapid repair agent for tunnel-bridge uninterrupted traffic on the back according to claim 1, wherein the grade of the mineral micropowder is S95 and above.
5. The overhead rapid repair agent for uninterrupted traffic of bridges and tunnels according to claim 4, wherein the fine mineral powder is selected from at least one of granulated blast furnace slag, silica fume and primary fly ash.
6. The back-up fast repairing agent for uninterrupted traffic of bridges and tunnels according to claim 1, wherein the latex powder is Wake 5010 re-dispersible latex powder.
7. The rapid repair agent for tunnel without traffic interruption of claim 1, wherein the water retention agent is hydroxypropyl methylcellulose.
8. The overhead rapid repair agent for uninterrupted traffic through a bridge and tunnel according to claim 1, wherein the thixotropic lubricant is Optibent 602.
9. The rapid repair agent for tunnel-through uninterrupted traffic according to claim 1, wherein the preparation method comprises the following steps:
1) Stirring and mixing sodium aluminate, sodium carbonate and quick lime uniformly, and filtering and screening to obtain powder 1;
2) Stirring and mixing the latex powder, the water-retaining agent and the thixotropic lubricant uniformly to obtain a mixed solution 1;
3) And adding water into the mixed solution 1, the compound cement, the quartz sand, the mineral micro powder and the PVA fiber, stirring until the mixture is uniformly mixed, adding the powder 1, and stirring to obtain the required face-up quick repairing agent for uninterrupted bridge and tunnel traffic.
10. The rapid repair agent for the overhead surface of a bridge and tunnel without interrupting traffic according to claim 9, wherein in the step 1, the sodium aluminate, the sodium carbonate and the quick lime are stirred, mixed uniformly, filtered and sieved to obtain the powder 1, wherein the particle size of the powder 1 is less than 80 microns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211061251.1A CN115490487A (en) | 2022-09-01 | 2022-09-01 | Upward rapid repairing agent for uninterrupted traffic of bridges and tunnels |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211061251.1A CN115490487A (en) | 2022-09-01 | 2022-09-01 | Upward rapid repairing agent for uninterrupted traffic of bridges and tunnels |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587885A (en) * | 2016-12-12 | 2017-04-26 | 中国建筑材料科学研究总院 | Patching material for waterproof-layer protective layers of bridge floors of existing railway bridges and application of patching material |
| CN107804984A (en) * | 2017-11-06 | 2018-03-16 | 甘肃恒亚水泥有限公司 | A kind of high strength cement and preparation method thereof |
| CN114873972A (en) * | 2022-05-30 | 2022-08-09 | 中德新亚建筑材料有限公司 | Rapid repairing agent for shield segment |
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2022
- 2022-09-01 CN CN202211061251.1A patent/CN115490487A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587885A (en) * | 2016-12-12 | 2017-04-26 | 中国建筑材料科学研究总院 | Patching material for waterproof-layer protective layers of bridge floors of existing railway bridges and application of patching material |
| CN107804984A (en) * | 2017-11-06 | 2018-03-16 | 甘肃恒亚水泥有限公司 | A kind of high strength cement and preparation method thereof |
| CN114873972A (en) * | 2022-05-30 | 2022-08-09 | 中德新亚建筑材料有限公司 | Rapid repairing agent for shield segment |
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Application publication date: 20221220 |