CN109748531A - A kind of concrete mud jacking agent and preparation method thereof - Google Patents
A kind of concrete mud jacking agent and preparation method thereof Download PDFInfo
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- CN109748531A CN109748531A CN201711088641.7A CN201711088641A CN109748531A CN 109748531 A CN109748531 A CN 109748531A CN 201711088641 A CN201711088641 A CN 201711088641A CN 109748531 A CN109748531 A CN 109748531A
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Abstract
The invention discloses a kind of concrete mud jacking agent and preparation method thereof, the concrete mud jacking agent is in terms of mass fraction, including following components: 20~35 parts of plastic expansion agent, 20~30 parts of surfactant, 15~25 parts of ethyl cellulose, 6~15 parts of polyethyleneimine, 18~32 parts of plasticity-maintaining agent, 35~50 parts of minerals.The preparation method of the concrete mud jacking agent, comprising: according to default proportion, be first uniformly mixed plastic expansion agent, surfactant and minerals, after 1~3h, ethyl cellulose and polyethyleneimine are added at 40~60 DEG C, stirs evenly, obtains the concrete mud jacking agent.When ethyl cellulose and polyethyleneimine is added in the present invention, good synergistic function can be played, and the present invention passes through reasonable disposition, be prepared a kind of with performance preferably concrete mud jacking agent.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of concrete mud jacking agent and preparation method thereof.
Background technique
Concrete admixture refers to the substance added to improve and adjusting the performance of concrete.Concrete admixture is in work
Application in journey is increasingly taken seriously, and the addition of additive plays a role to the performance for improving concrete.
Wherein grouting agent (material) has microdilatancy, ungauged regions, big flowing, self-compaction, extremely low bleeding rate, fullness degree height, gas
The thin diameter of capsule foam layer is small, intensity is high, antirust resistance rust, low alkali out of chloride, bond degree height, environmentally protective excellent performance.Without oxidation
Object, chloride, sulphite and nitrite etc. are micro- by high-performance plastic agent, surfactant, silico-calcium to reinforcing bar nocuousness component
Swelling agent, hydration inhibitors, migration-type corrosion inhibitor, nanoscale mineral sial calcium iron powder, the refined grouting agent of stabilizer
Or the grouting material being combined with purifications such as low alkali low-heat portland cements.Grouting agent is for the girder pre-stressed pipeline pack of post-tensioning
Press mortar, guarantees effective stress transfer between prestressing tendon and concrete structure at the anti-corrosion for preventing prestressing steel, makes hole
Slurry is full closely knit in road, and slurry keeps certain pH range, and fully wrapped around prestressing steel has higher after slurry hardening
Intensity and elasticity modulus and expansion shrinkage-void and bonding force.
The comprehensive performance of grouting agent currently on the market is poor, such as mobility, water-cement ratio, bleeding rate, dilation, solidifying
Tie the performances such as time and bending and compressive strength.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of concrete mud jacking agent, improve the synthesis of concrete mud jacking agent
Performance.
The technical solution of the present invention is as follows: a kind of concrete mud jacking agent, in terms of mass fraction, including following components:
20~35 parts of plastic expansion agent, 20~30 parts of surfactant, 15~25 parts of ethyl cellulose, polyethyleneimine 6
~15 parts, 18~32 parts of plasticity-maintaining agent, 35~50 parts of minerals.
Preferably, in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 22 parts of ethyl cellulose, 12 parts of polyethyleneimine, plasticity-maintaining agent 24
Part, 45 parts of minerals.
Preferably, the plastic expansion agent is one of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide
Or it is several.
Preferably, the minerals are wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, side
One or more of Xie Shi and portland cement.
Preferably, the plasticity-maintaining agent is sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, six
One or more of sodium metaphosphate and borax.
Preferably, the surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The present invention also provides the preparation methods of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 1~3h,
Ethyl cellulose and polyethyleneimine are added at 40~60 DEG C, stirs evenly, obtains the concrete mud jacking agent.
Preferably, the speed of agitator is 1500~3000r/min.
Compared with prior art, the beneficial effects of the present invention are embodied in:
When ethyl cellulose and polyethyleneimine is added in the present invention, good synergistic function, and this can be played
Reasonable disposition is passed through in invention, is prepared a kind of with performance preferably concrete mud jacking agent.
Specific embodiment
Embodiment 1
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
20 parts of plastic expansion agent, 30 parts of surfactant, 15 parts of ethyl cellulose, 15 parts of polyethyleneimine, plasticity-maintaining agent 18
Part, 50 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 3h,
Ethyl cellulose and polyethyleneimine are added at 40~60 DEG C, stirs evenly, obtains the concrete mud jacking agent, wherein stirring turns
Speed is 1500~3000r/min.
Embodiment 2
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 22 parts of ethyl cellulose, 12 parts of polyethyleneimine, plasticity-maintaining agent 24
Part, 45 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 2h,
Ethyl cellulose and polyethyleneimine are added at 40~60 DEG C, stirs evenly, obtains the concrete mud jacking agent, wherein stirring turns
Speed is 1500~3000r/min.
Embodiment 3
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
35 parts of plastic expansion agent, 20 parts of surfactant, 25 parts of ethyl cellulose, 6 parts of polyethyleneimine, plasticity-maintaining agent 32
Part, 35 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 1h,
Polyethyleneimine is added at 40~60 DEG C, stirs evenly, obtain in the concrete mud jacking agent speed of agitator be 1500~
3000r/min。
Comparative example 1
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 22 parts of ethyl cellulose, 24 parts of plasticity-maintaining agent, 45 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 1~3h,
Ethyl cellulose is added at 40~60 DEG C, stirs evenly, obtains the concrete mud jacking agent, wherein speed of agitator be 1500~
3000r/min。
Comparative example 2
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 12 parts of polyethyleneimine, 24 parts of plasticity-maintaining agent, 45 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 1~3h,
Ethyl cellulose and polyethyleneimine are added at 40~60 DEG C, stirs evenly, the concrete mud jacking agent is obtained, wherein stirring
Revolving speed is 1500~3000r/min.
Comparative example 3
A kind of concrete mud jacking agent, in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 24 parts of plasticity-maintaining agent, 45 parts of minerals.
Wherein plastic expansion agent is one or more of organic hydrocarbon compound, calcium sulphoaluminate class, calcium oxide；Mine
Substance is in wollastonite powder, Paris white, silica flour, level-one flyash, slag, land plaster, calcite and portland cement
It is one or more of；Plasticity-maintaining agent be sodium citrate, citric acid, sodium gluconate, white granulated sugar, sodium tripolyphosphate, calgon with
And one or more of borax；Surfactant is that fatty alcohol polyoxyethylene ether, polyoxyethylene stearic acid ester or alkyl phenol are poly-
One or more of ethylene oxide ether.
The preparation method of above-mentioned concrete mud jacking agent, comprising the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, are obtained described mixed
Solidifying soil grouting agent.
Table 1 is the testing performance index knot for the concrete mud jacking agent that Examples 1 to 3 and comparative example 1~3 are prepared
Fruit has table 1 as can be seen that the performance of Examples 1 to 3 is far superior to comparative example 1~3, and wherein the effect of embodiment 2 is especially prominent
Out, it is seen that the impact of performance for the concrete mud jacking agent that the comparative example 3 when ethyl cellulose and polyethyleneimine is prepared is worst,
And individually only in the addition present invention when being added to ethyl cellulose and polyethyleneimine, the concrete mud jacking agent that is prepared
The impact of performance also the effect without Examples 1 to 3 is good, thus, it can be known that ethyl cellulose and polyethyleneimine are added in the present invention
When amine, good synergistic function can be played.
Table 1
| Detection project | Acceptance value | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Water-cement ratio | 0.26~0.28 | 0.27 | 0.27 | 0.28 | 0.26 | 0.27 | 0.26 |
| Presetting period (min) | ≥300 | 640 | 660 | 650 | 550 | 495 | 285 |
| Final setting time (min) | ≤1440 | 1405 | 1390 | 1410 | 1430 | 1460 | 1470 |
| 3d flexural strength (MPa) | ≥5 | 7.2 | 8.0 | 7.7 | 6 | 4.5 | 6 |
| 7d flexural strength (MPa) | ≥6 | 9.0 | 9.5 | 9.2 | 8 | 7 | 8 |
| 3d compression strength (MPa) | ≥20 | 39.8 | 41.8 | 40.5 | 32.5 | 22 | 18 |
| 7d compression strength (MPa) | ≥40 | 57.3 | 61.2 | 57.9 | 42.7 | 35 | 35 |
| Free swelling rate for 24 hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Free bleeding rate for 24 hours | 0~3 | 0.4 | 0.2 | 0.4 | 1 | 2 | 4 |
| Initial flow degree (s) | 10~17 | 15 | 16 | 14 | 10 | 10 | 15 |
| 30min fluidity (s) | 10~20 | 19 | 18 | 17 | 19 | 20 | 20 |
| 60min fluidity (s) | 10~25 | 23 | 21 | 20 | 22 | 24 | 24 |
Claims (8)
1. a kind of concrete mud jacking agent, which is characterized in that in terms of mass fraction, including following components:
20~35 parts of plastic expansion agent, 20~30 parts of surfactant, 15~25 parts of ethyl cellulose, polyethyleneimine 6~15
Part, 18~32 parts of plasticity-maintaining agent, 35~50 parts of minerals.
2. concrete mud jacking agent as described in claim 1, which is characterized in that in terms of mass fraction, including following components:
28 parts of plastic expansion agent, 25 parts of surfactant, 22 parts of ethyl cellulose, 12 parts of polyethyleneimine, 24 parts of plasticity-maintaining agent, mine
45 parts of substance.
3. concrete mud jacking agent as claimed in claim 1 or 2, which is characterized in that the plastic expansion agent is organic carbon hydrogen species
One or more of compound, calcium sulphoaluminate class, calcium oxide.
4. concrete mud jacking agent as claimed in claim 3, which is characterized in that the minerals are wollastonite powder, Paris white, stone
One or more of Ying Fen, level-one flyash, slag, land plaster, calcite and portland cement.
5. concrete mud jacking agent as claimed in claim 4, which is characterized in that the plasticity-maintaining agent is sodium citrate, citric acid, Portugal
One or more of grape sodium saccharate, white granulated sugar, sodium tripolyphosphate, calgon and borax.
6. concrete mud jacking agent as claimed in claim 5, which is characterized in that the surfactant is aliphatic alcohol polyethenoxy
One or more of ether, polyoxyethylene stearic acid ester or alkyl phenol polyoxyethylene ether.
7. the preparation method of the concrete mud jacking agent as described in claim 1~6 is any, which comprises the following steps:
According to default proportion, plastic expansion agent, surfactant and minerals are uniformly mixed first, after 1~3h, 40
Ethyl cellulose and polyethyleneimine are added at~60 DEG C, stirs evenly, obtains the concrete mud jacking agent.
8. the preparation method of concrete mud jacking agent as claimed in claim 7, which is characterized in that the speed of agitator be 1500~
3000r/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711088641.7A CN109748531A (en) | 2017-11-08 | 2017-11-08 | A kind of concrete mud jacking agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711088641.7A CN109748531A (en) | 2017-11-08 | 2017-11-08 | A kind of concrete mud jacking agent and preparation method thereof |
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| CN109748531A true CN109748531A (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108262A (en) * | 1984-09-12 | 1987-03-25 | 藤沢药品工业株式会社 | Concrete admixture |
| JP2002285152A (en) * | 2001-03-26 | 2002-10-03 | Mitsubishi Materials Corp | Premix type low viscous pc grout material |
| CN103482899A (en) * | 2013-09-16 | 2014-01-01 | 石家庄市长安育才建材有限公司 | Channel grouting agent and manufacturing method thereof |
| CN105967591A (en) * | 2016-05-05 | 2016-09-28 | 武汉华中科大土木工程检测中心 | High-fluidity duct grouting material suitable for ultra-long pre-stressed ducts, and preparation method thereof |
| CN106986574A (en) * | 2017-04-07 | 2017-07-28 | 贵州科之杰新材料有限公司 | A kind of back-tension prestressed channel mudjacking agent and preparation method thereof |
-
2017
- 2017-11-08 CN CN201711088641.7A patent/CN109748531A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108262A (en) * | 1984-09-12 | 1987-03-25 | 藤沢药品工业株式会社 | Concrete admixture |
| JP2002285152A (en) * | 2001-03-26 | 2002-10-03 | Mitsubishi Materials Corp | Premix type low viscous pc grout material |
| CN103482899A (en) * | 2013-09-16 | 2014-01-01 | 石家庄市长安育才建材有限公司 | Channel grouting agent and manufacturing method thereof |
| CN105967591A (en) * | 2016-05-05 | 2016-09-28 | 武汉华中科大土木工程检测中心 | High-fluidity duct grouting material suitable for ultra-long pre-stressed ducts, and preparation method thereof |
| CN106986574A (en) * | 2017-04-07 | 2017-07-28 | 贵州科之杰新材料有限公司 | A kind of back-tension prestressed channel mudjacking agent and preparation method thereof |
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Application publication date: 20190514 |