CN103864381B - A kind of cement base inorganic anchoring adhesive and preparation method thereof - Google Patents
A kind of cement base inorganic anchoring adhesive and preparation method thereof Download PDFInfo
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- CN103864381B CN103864381B CN201410105520.9A CN201410105520A CN103864381B CN 103864381 B CN103864381 B CN 103864381B CN 201410105520 A CN201410105520 A CN 201410105520A CN 103864381 B CN103864381 B CN 103864381B
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- anchoring adhesive
- cement
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Abstract
The invention discloses a kind of cement base inorganic anchoring adhesive, its composition includes portland cement, microdilatancy special cement, pozzolanic material, super plasticizer, retarder, defoamer, waterproofing agent, antifreezing agent, corrosion inhibitor, quartz sand, and described each component is by mass percentage.The inorganic anchoring adhesive of the present invention is as high-tech ep-type material, have superhigh intensity, high temperature resistant, can directly weld, be suitable for water environment operation, antifatigue and the extremely strong feature of durability, can be widely applied to building maintenance, reinforcing bar and the plantation of bolt when reinforcing.Using the inorganic anchoring adhesive of the present invention, accommodation is wider, solves many bottleneck problems of anchoring industry, so that construction operation is no longer limited by factors such as environment, has greatly speeded up efficiency of construction and speed, reduced engineering cost simultaneously.
Description
Technical field
The invention belongs to building structure strengthening Material Field, relate to the anchoring material of a kind of bar planting, specifically one
Plant cement base inorganic anchoring adhesive and preparation method thereof.
Background technology
Anchoring adhesive building structure be reinforce in apply relatively broad, anchoring adhesive be generally divided into inorganic anchoring adhesive,
Organic anchoring adhesive.The building structure that organic anchoring adhesive is made up of synthetic resin, packing material and chemical assistant
Bonding reinforcement material.Have that anchor force is strong, the features such as simple and direct, the cost of material is low, corrosion resistance of constructing, suitable
Connect for new and old buildings Internet of Things, reinforcement of building, Equipment Foundations anchor and the benefit of brick masonry building structure
By force.The organic anchoring adhesive of main employing in the market, as sharp in happiness, intelligent fish, Simpson's brand etc..Inorganic
Anchoring adhesive is made up of inorganic mineral micro mist and inorganic solidification agent aqueous solution bi-component.It is to utilize colloid chemistry to make
With, under the effect of the inorganic solidification agent aqueous solution, different active particles produces the exchange of high efficiency ion,
Generate new inorganic bar planting adhesive material, be widely used in concrete, armored concrete, Geotechnical Engineering, house,
Bridge, tunnel, tunnel, mine, dam, oil well, ocean harbour, ocean platform etc..At present, inorganic
The application of anchoring adhesive is not the most widelyd popularize, and reason is the understanding that people lack to inorganic inserted bar glue material
And research.
Analyze inorganic anchoring adhesive and the difference of organic anchoring adhesive in detail below:
Stress aspect: single in terms of individual anchor force intensity, organic anchoring adhesive and inorganic anchoring adhesive are to Ribbed Bar
Bond stress is substantially suitable, and in terms of system stress, inorganic anchoring adhesive is better than organic anchoring adhesive, because inorganic bar planting
Glue is basically identical with former modulus of elasticity of concrete and thermal coefficient of expansion, and before and after reinforcing has been effectively ensured, system is overall
Stress cooperative transformation.
Durability aspect: inorganic anchoring adhesive is better than organic anchoring adhesive.Experimental enviroment: seawater, Frozen-thawed cycled,
Heat ageing, hydrothermal aging, 100 DEG C of high temperature.Inorganic anchoring adhesive under the conditions of each experimental enviroment strength retention ratio >=
100%, and organic anchoring adhesive strength retention ratio is between 15%～90%.
Practicality aspect: the stirring that adds water of inorganic anchoring adhesive can use, construction effect is far above organic anchoring adhesive,
Because high-temperature stability avoids the defective workmanship that after organic anchoring adhesive can not realize first glue, welding comes.
Economy aspect: inorganic anchoring adhesive asepsis environment-protecting, cheap, meet national economic development direction.
Xoncrete structure after reinforcing is chronically in the adverse circumstances of humidity or alternation of wetting and drying, xoncrete structure
Reinforce security and the durability of system after not only considering to reinforce, also should comply with society's substantially developing direction.?
In rear-anchorage inserted bar investigation of materials, should form, after novel inorganic anchoring adhesive by scientific and reasonable design inserted bar glue material
Anchoring material arises at the historic moment.
Summary of the invention
It is an object of the invention to provide a kind of cement base inorganic anchoring adhesive, this inorganic anchoring adhesive asepsis environment-protecting,
Good endurance, cheap, performance meets JGJ/T271-2012 " anchor after concrete structure engineering inorganic material
Gu technical regulation " requirement.
Another object of the present invention is to provide the preparation method of a kind of cement base inorganic anchoring adhesive.
The present invention is achieved by the following technical solutions:
A kind of cement base inorganic anchoring adhesive, its composition include portland cement, microdilatancy special cement,
Pozzolanic material, super plasticizer, retarder, defoamer, waterproofing agent, antifreezing agent, corrosion inhibitor, quartz sand,
Described each composition is by mass percentage:
Preferably, described portland cement is high early strength silicate cement.
Preferably, described microdilatancy special cement is quick hardening sulphoaluminate cement.
Preferably, described pozzolanic material is SiO2The effective content activated grammite more than 90%.
Preferably, described super plasticizer is High-efficiency polycarboxylic acid water reducer.
Preferably, described retarder is boric acid or citric acid.
Preferably, described defoamer is organosilicon alkanes defoamer.
Preferably, described waterproofing agent is zinc stearate, and described antifreezing agent is natrium nitrosum.
Preferably, described corrosion inhibitor is inorganic alkaline material.
Preferably, described quartz sand is the 30-100 mesh quartz sand of particle diameter continuous distributed.
The preparation method of a kind of cement base inorganic anchoring adhesive, comprises the steps: according to formula rate, by each
Component mass percent is mixed and made into powder, and mixing can use artificial mixing or mechanical mixture, adds powder
The water of 13%～the 14% of amount, uses mechanical agitation mode that to colloidal, powder and water stirring are got final product bar planting.
The principle of the present invention: the xoncrete structure after reinforcing is chronically at the stress of complexity and various severe ring
In border, anchoring adhesive must have good compatibility and matching with former xoncrete structure, makes coagulation before and after reinforcing
Soil structure combines together shared external force.The means that the present invention uses are to use and former concrete structure material
The raw material that performance is consistent, the inorganic anchoring adhesive compounded is high with former xoncrete structure adhesion strength, bullet simultaneously
Mould and thermal coefficient of expansion are essentially identical with former xoncrete structure, and reinforce before and after the globality of system has been effectively ensured.
Anchoring adhesive must meet life requirement simultaneously, it is ensured that after reinforcing, xoncrete structure possesses long-term safety and makes
By performance, this inorganic anchoring adhesive belongs to purely inorganic material, makes it at various severe rings by various additive complexes
Under the conditions of border, adhesion strength retention rate is all more than 100%, system has been effectively ensured in various complex environments
Safety in utilization.
Beneficial effect: the inorganic anchoring adhesive of the present invention as high-tech ep-type material, have superhigh intensity,
High temperature resistant, can directly weld, be suitable for water environment operation, antifatigue and the extremely strong feature of durability, can be extensive
It is applied to reinforcing bar and the plantation of bolt when building maintenance, reinforcing.Use the inorganic anchoring adhesive of the present invention, suitable
Should be wider, solve many bottleneck problems of anchoring industry, so that construction operation is no longer by environment etc.
Factor limits, and has greatly speeded up efficiency of construction and speed, has reduced engineering cost simultaneously.
Detailed description of the invention
Below embodiments of the invention are elaborated: the present embodiment is premised on technical solution of the present invention
Under implement, give detailed embodiment and concrete operating process, but protection scope of the present invention
It is not limited to following embodiment.
Embodiment 1:
A kind of cement base inorganic anchoring adhesive, its each composition mass percent is as follows:
Using above-mentioned raw materials mass percent to be mixed and made into powder, preparation method is as follows:
Mixing uses artificial mixing, add powder amount 13% water, use mechanical agitation mode by powder and
Water stirring gets final product bar planting to colloidal.
Embodiment 2:
A kind of cement base inorganic anchoring adhesive, its each composition mass percent is as follows:
Using above-mentioned raw materials mass percent to be mixed and made into powder, preparation method is as follows:
Mixing uses mechanical mixture, add powder amount 14% water, use mechanical agitation mode by powder and
Water stirring gets final product bar planting to colloidal.
According to the experimental technique of both examples above, select inorganic anchoring adhesive representative on market and
Organic anchoring adhesive sample as a comparison, under the construction of same condition, standard curing and method of testing, obtains performance number
According to as shown in table 1 below:
Table 1
Under the conditions of the construction of same condition, different care environments, adhesion strength retention rate data are as shown in table 2 below:
Table 2
From table 1, table 2, inorganic anchoring adhesive meets JGJ/T271-2012, and " concrete structure engineering is inorganic
Material post-anchoring technology code " code requirement, compared with inorganic anchoring adhesive similar with on market, the nothing of the present invention
Machine anchoring adhesive has adhesion strength height microdilatancy advantage, and compared with anchoring adhesive organic with on market, adhesion strength is basic
Close, but in terms of durability, inorganic anchoring adhesive has more apparent advantage.
The inorganic anchoring adhesive of the present invention have high-strength, early strong, volume stability, high temperature resistant, good endurance etc. are excellent
Point, big to Ribbed Bar bond stress, superior fatigue resistance, can be widely applied to water conservancy and hydropower, road bridge
Bar Anchorage in the engineering such as beam, tunnel and various equipment and steel construction fixing；Present configuration is reinforced and is used
Inorganic anchoring adhesive can not only meet design requirement, also have that good system is compatible and endurance quality,
Efficiency of construction is high, is the ideal material in modern architecture reinforcing industry bar planting field.
The general principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The industry
Skilled person will appreciate that, the present invention is not restricted to the described embodiments, in above-described embodiment and specification
The principle that the present invention is simply described described, without departing from the spirit and scope of the present invention, the present invention
Also having various changes and modifications, these changes and improvements both fall within scope of the claimed invention.This
The claimed scope of invention is defined by appending claims and equivalent thereof.
Claims (5)
1. a cement base inorganic anchoring adhesive, it is characterized in that, it is made up of portland cement, microdilatancy special cement, pozzolanic material, super plasticizer, retarder, defoamer, waterproofing agent, antifreezing agent, corrosion inhibitor, quartz sand, described super plasticizer is High-efficiency polycarboxylic acid water reducer, described retarder is boric acid or citric acid, described defoamer is organosilicon alkanes defoamer, described waterproofing agent is zinc stearate, described antifreezing agent is natrium nitrosum, described corrosion inhibitor is inorganic alkaline material, described each composition by mass percentage:
。
A kind of cement base inorganic anchoring adhesive the most according to claim 1, it is characterised in that described portland cement is high early strength silicate cement, and described microdilatancy special cement is quick hardening sulphoaluminate cement.
A kind of cement base inorganic anchoring adhesive the most according to claim 1, it is characterised in that described pozzolanic material is SiO2The effective content activated grammite more than 90%.
A kind of cement base inorganic anchoring adhesive the most according to claim 1, it is characterised in that described quartz sand is the 30-100 mesh quartz sand of particle diameter continuous distributed.
5. the preparation method of a cement base inorganic anchoring adhesive as claimed in claim 1, it is characterized in that, comprise the steps: according to formula rate, it is mixed and made into powder by each component mass percent, mixing uses artificial mixing or mechanical mixture, add the 13% of powder amount～the water of 14%, use mechanical agitation mode powder and water to be stirred to colloidal and get final product bar planting.
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| CN201410105520.9A CN103864381B (en) | 2014-03-20 | 2014-03-20 | A kind of cement base inorganic anchoring adhesive and preparation method thereof |
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| CN103864381B true CN103864381B (en) | 2016-08-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604338A (en) * | 2015-12-21 | 2016-05-25 | 中国铁道科学研究院铁道建筑研究所 | Cement-based anchoring glue construction technology |
| CN106082804B (en) * | 2016-06-12 | 2018-05-08 | 山东大元实业股份有限公司 | A kind of Anchor Agent |
| CN106396604A (en) * | 2016-08-31 | 2017-02-15 | 武汉理工大学 | Aluminophosphate cement-based steel bar-embedded material and preparation method thereof |
| CN107324717A (en) * | 2017-06-28 | 2017-11-07 | 常州市尚泽纺织品有限公司 | A kind of inorganic anchoring adhesive and preparation method thereof |
| CN108726962B (en) * | 2018-07-11 | 2021-05-11 | 江苏尼高科技有限公司 | Quick-setting inorganic bar-planting adhesive and grouting construction equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428996A (en) * | 2008-11-27 | 2009-05-13 | 上海市建筑科学研究院(集团)有限公司 | Inorganic rear-anchorage inserted bar glue material |
| CN102295446A (en) * | 2011-06-16 | 2011-12-28 | 上海维固工程实业有限公司 | High performance structure reinforcement mortar composition and preparation process thereof |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428996A (en) * | 2008-11-27 | 2009-05-13 | 上海市建筑科学研究院(集团)有限公司 | Inorganic rear-anchorage inserted bar glue material |
| CN102295446A (en) * | 2011-06-16 | 2011-12-28 | 上海维固工程实业有限公司 | High performance structure reinforcement mortar composition and preparation process thereof |
Non-Patent Citations (1)
| Title |
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| 高强无机锚固材料的实验研究;彭小芹等;《重庆建筑大学学报》;20070430;第29卷(第2期);第113-115页 * |
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