CN115448665A - Municipal bridge concrete polymer machine-sprayed quick-setting repair mortar - Google Patents
Municipal bridge concrete polymer machine-sprayed quick-setting repair mortar Download PDFInfo
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- CN115448665A CN115448665A CN202211167058.6A CN202211167058A CN115448665A CN 115448665 A CN115448665 A CN 115448665A CN 202211167058 A CN202211167058 A CN 202211167058A CN 115448665 A CN115448665 A CN 115448665A
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- bridge concrete
- municipal bridge
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Classifications
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- 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
- 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
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
- C04B2111/00155—Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
-
- 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
-
- 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
- C04B2111/26—Corrosion of reinforcement resistance
-
- 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
-
- 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
- C04B2111/34—Non-shrinking or non-cracking 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
- 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
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- 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
Abstract
The invention discloses municipal bridge concrete polymer machine spraying quick-setting repair mortar, which belongs to the technical field of repair mortar, and comprises the following components of 300-500 parts of ordinary portland cement, 0-150 parts of sulphoaluminate cement, 300-700 parts of quartz sand, 10-100 parts of fly ash, 10-50 parts of redispersible latex powder, 0.5-5 parts of water reducing agent, 1-4 parts of wood fiber, 0.2-8 parts of cellulose ether, 0.1-3 parts of starch ether, 0.1-3 parts of air entraining agent, 0.5-8 parts of rheological agent and 1-15 parts of waterproof powder, wherein the polymer repair mortar takes cement as a basic binding agent, takes high-strength material (quartz sand) as main aggregate, is modified by high molecular polymer, and is supplemented with anti-cracking agent, rheological agent, waterproof agent and other substances to prepare the special concrete repair material. The product has good smoothness, strong waterproofness, high strength and no shrinkage; no toxicity, no harm, no aging, no pollution to water quality and surrounding environment, good self-sealing property, rust resistance and the like.
Description
Technical Field
The invention relates to a repair mortar, in particular to a municipal bridge concrete polymer machine-spraying rapid-curing repair mortar, and belongs to the technical field of repair mortar.
Background
1. The repair mortar is not suitable for large-area and rapid construction repair;
2. the density of the concrete is reduced and the concrete is not waterproof, and moisture carries chloride ions to enter the concrete to cause the corrosion of the reinforcing steel bars;
3. the expansive force of the corrosion of the steel bars causes the further damage of the concrete;
4. the collision-proof walls are incomplete and loose, and longitudinal cracks are formed among the bridge collision-proof walls;
5. the surface layer of the municipal highway anti-collision wall falls off and leaks ribs;
therefore, the municipal bridge concrete polymer machine-spraying quick-setting repair mortar is designed to solve the problems.
Disclosure of Invention
The invention mainly aims to provide municipal bridge concrete polymer machine spraying rapid-curing repair mortar, relates to the technical field of large-area repair construction of concrete guardrail anti-collision walls, and particularly relates to overall rapid repair mortar and a repair process for concrete guardrail anti-collision wall damages, wherein all components of the concrete guardrail anti-collision wall damage repair mortar complement each other, the advantages complement each other, the severe environments such as road exposure, rain wash, airflow impact formed by high-speed vehicles and the like are well resisted, and the mortar is nontoxic, tasteless, environment-friendly and free of new waste; the comprehensive cost is low, and the repairing effect is excellent after the repairing is carried out by special process steps.
The polymer repairing mortar is a concrete special repairing material prepared by using cement as a basic binding agent, using a high-strength material (quartz sand) as a main aggregate, modifying a high-molecular polymer and assisting materials such as an anti-cracking agent, a rheological agent, a waterproof agent and the like. The product has good smoothness, strong waterproofness, high strength and no shrinkage; no toxicity, no harm, no aging, no pollution to water quality and surrounding environment, good self-sealing property, rust resistance and the like.
The purpose of the invention can be achieved by adopting the following technical scheme:
the polymer quick-setting repair mortar for municipal bridge concrete polymer machine comprises, by weight, 300-500 parts of ordinary portland cement, 0-150 parts of sulphoaluminate cement, 300-700 parts of quartz sand, 10-100 parts of fly ash, 10-50 parts of redispersible latex powder, 0.5-5 parts of a water reducing agent, 1-4 parts of wood fiber, 0.2-8 parts of cellulose ether, 0.1-3 parts of starch ether, 0.1-3 parts of an air entraining agent, 0.5-8 parts of a rheological agent and 1-15 parts of waterproof powder.
Preferably, the quartz sand is sieved and dried, and the size of the sieved particles is 20-200 meshes.
Preferably, the wood fiber is powder or fibrous natural fiber, and the cellulose ether is one or two of hydroxyethyl methyl cellulose ether and hydroxypropyl methyl cellulose ether.
Preferably, the starch ether is a starch derivative, the air entraining agent is a natural organic active agent, and the rheological agent is an active silicate.
Preferably, the waterproof powder is one or two of a powdery organic silicon water repellent and a flaky nano inorganic waterproof material.
Preferably, the repair mortar also comprises the following preparation method:
the method comprises the following steps: weighing ordinary portland cement, sulpho-alumina cement, quartz sand, fly ash, redispersible latex powder, a water reducing agent, wood fiber, cellulose ether, starch ether, an air entraining agent, a rheological agent and waterproof powder according to the weight percentage;
step two: and (3) adding the weighed raw materials into a mortar stirrer for mixing, and uniformly mixing to obtain the polymer machine spraying rapid-hardening repair mortar.
Preferably, the repair mortar further comprises the following construction method:
the method comprises the following steps: the surface of the base layer is required to be clean, dust-free, oil-free and free of chemical corrosion medium residues, the surface of the porous material is soaked in water in advance, and the surface of the steel base layer is required to be cleaned of rust;
step two: removing hard projections and loose objects on the surface by using a chisel and a hammer, and then brushing off fine loose animals by using a steel wire brush;
step three: after the dust on the surface is removed by using a broom, a brown brush or an air compressor is used for blowing the dust for further removing;
step four: and (3) wetting the area to be repaired by using a sprayer, keeping the base surface wet until no clear water exists so as to achieve the construction effect, and brushing or spraying the interface agent.
Preferably, the interface agent must be uniformly stirred before use, small particles which are not scattered cannot exist, before construction, the interface agent is used for wetting a part to be repaired to ensure that no clear water exists, and the uniformly stirred interface agent is brushed on the surface of concrete and the surface of a reinforcing steel bar by a brush.
The invention has the beneficial technical effects that:
the invention provides municipal bridge concrete polymer machine spraying rapid-curing repair mortar, which relates to the technical field of large-area repair construction of concrete guardrail anti-collision walls, in particular to concrete guardrail anti-collision wall damaged integral rapid repair mortar and a repair process, wherein the concrete guardrail anti-collision wall damaged repair mortar has the advantages that the components are mutually supplemented, the advantages are complementary, the severe environments such as road exposure, rain wash, airflow impact formed by high-speed vehicles and the like are well resisted, and the municipal bridge concrete polymer machine spraying rapid-curing repair mortar is nontoxic, odorless, environment-friendly in construction and free of new waste; the comprehensive cost is low, and the repairing effect is excellent after the repairing is carried out by special process steps.
The polymer repairing mortar is a concrete special repairing material prepared by using cement as a basic binding agent, using a high-strength material (quartz sand) as a main aggregate, modifying a high-molecular polymer and assisting materials such as an anti-cracking agent, a rheological agent, a waterproof agent and the like. The product has good smoothness, strong waterproofness, high strength and no shrinkage; no toxicity, no harm, no aging, no pollution to water quality and surrounding environment, good self-sealing property, rust resistance and the like.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The municipal bridge concrete polymer machine-spraying quick-setting repair mortar provided by the embodiment comprises the following components of 300-500 parts of ordinary portland cement, 0-150 parts of sulphoaluminate cement, 300-700 parts of quartz sand, 10-100 parts of fly ash, 10-50 parts of redispersible latex powder, 0.5-5 parts of a water reducing agent, 1-4 parts of wood fiber, 0.2-8 parts of cellulose ether, 0.1-3 parts of starch ether, 0.1-3 parts of an air entraining agent, 0.5-8 parts of a rheological agent and 1-15 parts of waterproof powder.
In the embodiment, the quartz sand is sieved and dried, and the size of the sieved particles is 20-200 meshes.
In the present embodiment, the wood fiber is a powdery or fibrous natural fiber, and the cellulose ether is one or both of hydroxyethyl methyl cellulose ether and hydroxypropyl methyl cellulose ether.
In this example, the starch ether is a starch derivative, the air entraining agent is a natural organic active agent, and the rheological agent is an active silicate.
In this embodiment, the waterproof powder is one or two of a powdery organosilicon water repellent and a flaky nano inorganic waterproof material.
Example 1 the polymer repair mortar comprises the following raw materials in parts by mass: 320 parts of ordinary portland cement, 100 parts of sulpho-alumina cement, 530 parts of quartz sand, 40 parts of fly ash, 30 parts of redispersible latex powder, 0.6 part of water reducing agent, 2.0 parts of wood fiber, 0.5 part of cellulose ether, 0.4 part of starch ether, 2.0 parts of air entraining agent, 6 parts of rheological agent and 10 parts of waterproof powder.
Example 2 the polymer repair mortar comprises the following raw materials in parts by mass: 330 parts of ordinary portland cement, 80 parts of sulpho-alumina cement, 540 parts of quartz sand, 45 parts of fly ash, 25 parts of redispersible latex powder, 1.0 part of water reducing agent, 2.5 parts of wood fiber, 1.0 part of cellulose ether, 0.6 part of starch ether, 1.5 parts of air entraining agent, 5 parts of rheological agent and 8 parts of waterproof powder.
Example 3 the polymer repair mortar comprises the following raw materials in parts by mass: 340 parts of ordinary portland cement, 60 parts of sulpho-alumina cement, 550 parts of quartz sand, 50 parts of fly ash, 20 parts of redispersible latex powder, 1.3 parts of water reducing agent, 3.0 parts of wood fiber, 1.5 parts of cellulose ether, 0.8 part of starch ether, 1.0 part of air entraining agent, 4 parts of rheological agent and 6 parts of waterproof powder.
Example 4 the polymer repair mortar comprises the following raw materials in parts by mass: 350 parts of ordinary portland cement, 40 parts of sulpho-alumina cement, 560 parts of quartz sand, 55 parts of fly ash, 40 parts of redispersible latex powder, 1.5 parts of water reducing agent, 3.5 parts of wood fiber, 2.0 parts of cellulose ether, 1.0 part of starch ether, 0.6 part of air entraining agent, 3 parts of rheological agent and 4 parts of waterproof powder.
Example 5 the polymer repair mortar comprises the following raw materials in parts by mass: 360 parts of ordinary portland cement, 20 parts of sulpho-alumina cement, 570 parts of quartz sand, 60 parts of fly ash, 45 parts of redispersible latex powder, 2.0 parts of water reducing agent, 4.0 parts of wood fiber, 2.5 parts of cellulose ether, 1.2 parts of starch ether, 0.3 part of air entraining agent, 2 parts of rheological agent and 2 parts of waterproof powder.
Example 6 the polymer repair mortar comprises the following raw materials in parts by mass: 370 parts of ordinary portland cement, 50 parts of sulpho-alumina cement, 550 parts of quartz sand, 30 parts of fly ash, 50 parts of redispersible latex powder, 2.5 parts of water reducing agent, 4.5 parts of wood fiber, 3.0 parts of cellulose ether, 1.4 parts of starch ether, 0.2 part of air entraining agent, 1 part of rheological agent and 1 part of waterproof powder.
In the above embodiment, the repair mortar further includes the following preparation method:
the method comprises the following steps: weighing ordinary portland cement, sulpho-alumina cement, quartz sand, fly ash, redispersible latex powder, a water reducing agent, wood fiber, cellulose ether, starch ether, an air entraining agent, a rheological agent and waterproof powder according to weight percentage;
step two: and (3) adding the weighed raw materials into a mortar stirrer for mixing, and uniformly mixing to obtain the polymer machine spraying rapid-hardening repair mortar.
Adhesive property: the polymer adhesive powder in the repair mortar has strong bonding capability, so that the bonding strength between the repair surface layer and the base layer concrete can reach 2.8MPa, which is improved by more than 7 times compared with common cement.
Cracking resistance: the unique anti-cracking fiber can effectively inhibit the cracking of the repair layer and improve the impact resistance, wear resistance, shock resistance and shatter resistance of the repair layer.
And (3) impermeability: the polymer component in the repair mortar can form a complete film structure when hydrated, so that the impermeability of the concrete base layer can be effectively improved, and compared with the common mortar, the water absorption of the repair mortar is reduced by 10 times in 2 days, the impermeability is improved by 1.5 times, and the chlorine ion leakage resistance is improved by 8 times.
In the above embodiment, the repair mortar further includes the following construction method:
the method comprises the following steps: the surface of the base layer is required to be clean, dust-free, oil-free and free of chemical corrosion medium residues, the surface of the porous material is soaked in water in advance, and the surface of the steel base layer is required to be cleaned of rust;
step two: removing hard projections and loose objects on the surface by using a chisel and a hammer, and then brushing off fine loose animals by using a steel wire brush;
step three: after the dust on the surface is removed by using a broom, a brown brush or an air compressor is used for blowing the dust for further removing;
step four: and (3) wetting the area to be repaired by using a sprayer, keeping the base surface wet until no clear water exists so as to achieve the construction effect, and brushing or spraying the interface agent.
In the embodiment, the interface agent must be uniformly stirred before use, small particles which are not scattered cannot exist, the part to be repaired is wetted by the interface agent before construction, no clear water is ensured, and the uniformly stirred interface agent is coated on the surface of concrete and the surface of a reinforcing steel bar by a brush.
The above are only further embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and its idea within the scope of the present invention.
Claims (8)
1. The utility model provides a municipal administration bridge concrete polymer machine spouts fast and congeals repair mortar which characterized in that: the polymer repair mortar comprises the following components of 300-500 parts of ordinary portland cement, 0-150 parts of sulphoaluminate cement, 300-700 parts of quartz sand, 10-100 parts of fly ash, 10-50 parts of redispersible latex powder, 0.5-5 parts of a water reducing agent, 1-4 parts of wood fiber, 0.2-8 parts of cellulose ether, 0.1-3 parts of starch ether, 0.1-3 parts of an air entraining agent, 0.5-8 parts of a rheological agent and 1-15 parts of waterproof powder.
2. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar according to claim 1, wherein: and sieving and drying the quartz sand, wherein the size of the sieved particles is 20-200 meshes.
3. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar of claim 2, wherein: the wood fiber is powder or fibrous natural fiber, and the cellulose ether is one or two of hydroxyethyl methyl cellulose ether and hydroxypropyl methyl cellulose ether.
4. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar according to claim 3, wherein: the starch ether is a starch derivative, the air entraining agent is a natural organic active agent, and the rheological agent is active silicate.
5. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar according to claim 4, wherein: the waterproof powder is one or two of a powdery organic silicon water repellent and a flaky nano inorganic waterproof material.
6. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar of claim 5, wherein: the repair mortar also comprises the following preparation method:
the method comprises the following steps: weighing ordinary portland cement, sulpho-alumina cement, quartz sand, fly ash, redispersible latex powder, a water reducing agent, wood fiber, cellulose ether, starch ether, an air entraining agent, a rheological agent and waterproof powder according to weight percentage;
step two: and (3) adding the weighed raw materials into a mortar stirrer for mixing, and uniformly mixing to obtain the polymer machine spraying rapid-setting repair mortar.
7. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar of claim 6, wherein: the repair mortar also comprises the following construction method:
the method comprises the following steps: the surface of the base layer is required to be clean, dustless, oilless and free of chemical corrosion medium residues, the surface of the porous material is soaked in water in advance, and the surface of the steel base layer is required to be cleaned of rust;
step two: removing hard projections and loose objects on the surface by using a chisel and a hammer, and then brushing off fine loose animals by using a steel wire brush;
step three: after the dust on the surface is removed by using a broom, a brown brush or an air compressor is used for blowing the dust for further removing;
step four: and (3) wetting the area to be repaired by using a sprayer, keeping the base surface wet until no clear water exists so as to achieve the construction effect, and brushing or spraying the interface agent.
8. The municipal bridge concrete polymer machine-sprayed quick-setting repair mortar of claim 7, wherein: before the interface agent is used, the interface agent must be uniformly stirred, and the small particles which are not scattered cannot exist, before construction, the interface agent is used for wetting the part which needs to be repaired, so that no clear water is ensured, and the uniformly stirred interface agent is coated on the surface of concrete and the surface of a reinforcing steel bar by a brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211167058.6A CN115448665A (en) | 2022-09-23 | 2022-09-23 | Municipal bridge concrete polymer machine-sprayed quick-setting repair mortar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211167058.6A CN115448665A (en) | 2022-09-23 | 2022-09-23 | Municipal bridge concrete polymer machine-sprayed quick-setting repair mortar |
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| CN115448665A true CN115448665A (en) | 2022-12-09 |
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| CN202211167058.6A Pending CN115448665A (en) | 2022-09-23 | 2022-09-23 | Municipal bridge concrete polymer machine-sprayed quick-setting repair mortar |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913827A (en) * | 2010-08-26 | 2010-12-15 | 卢建华 | Waterproof and anti-corrosion repair mortar for polymer cement-based concrete structure |
| CN108947419A (en) * | 2018-07-17 | 2018-12-07 | 广东复特新型材料科技有限公司 | A kind of dedicated mending mortar of structure and preparation method |
| JP2019163177A (en) * | 2018-03-19 | 2019-09-26 | 太平洋マテリアル株式会社 | Polymer cement mortar composition and polymer cement mortar |
| CN110818361A (en) * | 2019-12-17 | 2020-02-21 | 北京建工新型建材有限责任公司 | Machine-sprayed thick-layer polymer repair mortar |
| CN110922137A (en) * | 2019-12-17 | 2020-03-27 | 北京建工新型建材有限责任公司 | Construction process for large-area structure repair system |
| CN111205046A (en) * | 2020-01-19 | 2020-05-29 | 苏交科集团股份有限公司 | Salt-freezing-resistant high-performance repair mortar for repairing concrete bridge |
-
2022
- 2022-09-23 CN CN202211167058.6A patent/CN115448665A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913827A (en) * | 2010-08-26 | 2010-12-15 | 卢建华 | Waterproof and anti-corrosion repair mortar for polymer cement-based concrete structure |
| JP2019163177A (en) * | 2018-03-19 | 2019-09-26 | 太平洋マテリアル株式会社 | Polymer cement mortar composition and polymer cement mortar |
| CN108947419A (en) * | 2018-07-17 | 2018-12-07 | 广东复特新型材料科技有限公司 | A kind of dedicated mending mortar of structure and preparation method |
| CN110818361A (en) * | 2019-12-17 | 2020-02-21 | 北京建工新型建材有限责任公司 | Machine-sprayed thick-layer polymer repair mortar |
| CN110922137A (en) * | 2019-12-17 | 2020-03-27 | 北京建工新型建材有限责任公司 | Construction process for large-area structure repair system |
| CN111205046A (en) * | 2020-01-19 | 2020-05-29 | 苏交科集团股份有限公司 | Salt-freezing-resistant high-performance repair mortar for repairing concrete bridge |
Non-Patent Citations (1)
| Title |
|---|
| 钱慧丽, 中国建材工业出版社 * |
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