CN104446136A - Preparation method of grouting reinforcement glue for fine concrete cracks - Google Patents
Preparation method of grouting reinforcement glue for fine concrete cracks Download PDFInfo
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- CN104446136A CN104446136A CN201410604073.1A CN201410604073A CN104446136A CN 104446136 A CN104446136 A CN 104446136A CN 201410604073 A CN201410604073 A CN 201410604073A CN 104446136 A CN104446136 A CN 104446136A
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Abstract
The invention discloses a preparation method of grouting reinforcement glue for fine concrete cracks. The preparation method comprises the following steps: weighing raw materials according to a ratio of epoxy resin to a plasticizer to a curing agent to sand being (50-100):(50-100):(15-30):(50-100); pouring epoxy resin into a liquid stirrer, stirring at a rotation speed of 200-800rpm, adding the plasticizer and stirring for 20-30min to obtain mixed resin; adding the curing agent to the mixed resin and stirring for 10-20min at a rotation speed of 300-800rpm to obtain mixed resin liquid; adding sand into the stirrer, starting the stirrer and stirring at a stirring speed of 200-400rpm till the mixed resin liquid is stirred uniformly, then adding the mixed resin liquid into the stirrer, and mixing and stirring for 15-25min at the stirring speed of 200-500rpm, thus obtaining the grouting reinforcement glue for fine concrete cracks.
Description
Technical field
The invention belongs to adhesives for architec ture and civil engineering preparing technical field, particularly
oneplant the preparation method of concrete fissure grouting reinforcement glue.
Background technology
Concrete structure for various reasons, usually occurs have impact on the crack that some width differences and the degree of depth differ normal use and the life-span of works, thus need reinforcement to recover its globality.
For the crack of piestic water site of action occurring in harbour tidal range position or shipyard pumping station, its reinforcement must be carried out under wet conditions or under pressure water action.Particularly then more difficult for the crack strengthening in above-mentioned situation.This is not only the problem that ordinary cement grouting cann't be solved, even general chemical grouting is also all difficult to meet the demands completely from material to technique.
Epoxide resin type sizing agent has high strength, the excellent over-all properties such as water-fast, by adding suitable and appropriate auxiliary agent, preparation one not polluted air, the reinforcement glue of the low viscosity high strength that harmless grouting workman is healthy, can mending concrete minute crack.
Summary of the invention
Object of the present invention provides and is
oneplant the preparation method of concrete fissure grouting reinforcement glue.
The thinking of invention: select epoxy resin as sizing agent, add suitable and appropriate softening agent, solidifying agent and sand etc., prepare a kind of low viscosity high strength modified epoxy resin paste material, can as a kind of reinforcement glue, the minute crack of mending concrete.
Concrete steps are:
(1) raw material is taken by following mass ratio, epoxy resin: softening agent: solidifying agent: sand=50 ~ 100:50 ~ 100:15 ~ 30:50 ~ 100.
(2) pour the epoxy resin that step (1) takes into liquid stirrers to stir with the rotating speed of 200 ~ 800 revs/min, in whipping process, the softening agent that step (1) takes also is added in liquid stirrers and stir 20 ~ 30 minutes, obtained hybrid resin.
(3) solidifying agent that step (1) takes is joined in the obtained hybrid resin of step (2), stir 10 ~ 20 minutes with the rotating speed of 300 ~ 800 revs/min, obtained resin mixture liquor.
(4) sand that step (1) takes is poured in stirrer, open stirrer, stir speed (S.S.) is set to 200 ~ 400 revs/min, to be mixed evenly after, the resin mixture liquor that step (3) is obtained joins in stirrer, arranging stir speed (S.S.) is 200 ~ 500 revs/min, blending and stirring 15 ~ 25 minutes, i.e. obtained concrete fissure grouting reinforcement glue.
Described solidifying agent is one or more of aliphatic amide.
Described softening agent is the condenses of furfural and ketone.
Described sand is quartz sand.
Advantage of the present invention:
(1) the inventive method is simple to operate, is easy to apply.
(2) basic completion of cure behind concrete fissure grouting next week of reinforcement glue that the inventive method is obtained, impervious respond well, and environmental protection, not polluted air, do not damage workman healthy.
Embodiment
embodiment 1:
(1) raw material is taken according to following quality, 9 kilograms of E-44 epoxy resin, the condenses (mass ratio of furfural and pimelinketone is 50/50) of 9 kilograms of furfurals and pimelinketone, 2 kilograms of second diene triamines, the quartz sand of 8 kilograms of 0.5-1mm.
(2) pour the E-44 epoxy resin that step (1) takes into liquid stirrers to stir with the rotating speed of 500 revs/min, furfural step (1) taken in whipping process and the condenses of pimelinketone also add in liquid stirrers and stir 25 minutes, obtained hybrid resin.
(3) the second diene triamine that step (1) takes is joined in the obtained hybrid resin of step (2), stir 15 minutes with the rotating speed of 550 revs/min, obtained resin mixture liquor.
(4) quartz sand of 0.5-1mm step (1) taken is poured in stirrer, open stirrer, stir speed (S.S.) is set to 300 revs/min, to be mixed evenly after, the resin mixture liquor that step (3) is obtained joins in stirrer, arranging stir speed (S.S.) is 350 revs/min, blending and stirring 20 minutes, i.e. obtained concrete fissure grouting reinforcement glue.
After tested, concrete fissure that the present embodiment obtains grouting reinforcement glue can completion of cure about 1 week under water of temperature 20 DEG C, and tensile strength is 20.2MPa, and shock strength is 2.7MPa, and without infiltration under 0.8MPa hydraulic pressure.
embodiment 2:
(1) raw material is taken according to following quality, 9 kilograms of E-44 epoxy resin, the condenses (mass ratio of furfural and pimelinketone is 90/60) of 9 kilograms of furfurals and pimelinketone, 1.9 kilograms of second diene triamines, the quartz sand of 9 kilograms of 1-2mm.
(2) pour the E-44 epoxy resin that step (1) takes into liquid stirrers to stir with the rotating speed of 500 revs/min, furfural step (1) taken in whipping process and the condenses of pimelinketone also add in liquid stirrers and stir 25 minutes, obtained hybrid resin.
(3) solidifying agent that step (1) takes is joined in the obtained hybrid resin of step (2), stir 15 minutes with the rotating speed of 550 revs/min, obtained resin mixture liquor.
(4) quartz sand of 1-2mm step (1) taken is poured in stirrer, open stirrer, stir speed (S.S.) is set to 300 revs/min, to be mixed evenly after, the resin mixture liquor that step (3) is obtained joins in stirrer, arranging stir speed (S.S.) is 350 revs/min, blending and stirring 20 minutes, i.e. obtained concrete fissure grouting reinforcement glue.
After tested, the concrete fissure grouting reinforcement glue that the present embodiment obtains is completely curable about 1 week under water of temperature 20 DEG C, and tensile strength is 19.6MPa, and shock strength is 2.0MPa, and without infiltration under 0.8MPa hydraulic pressure.
Claims (1)
1. a preparation method for concrete fissure grouting reinforcement glue, is characterized in that concrete steps are:
(1) raw material is taken by following mass ratio, epoxy resin: softening agent: solidifying agent: sand=50 ~ 100:50 ~ 100:15 ~ 30:50 ~ 100;
(2) pour the epoxy resin that step (1) takes into liquid stirrers to stir with the rotating speed of 200 ~ 800 revs/min, in whipping process, the softening agent that step (1) takes also is added in liquid stirrers and stir 20 ~ 30 minutes, obtained hybrid resin;
(3) solidifying agent that step (1) takes is joined in the obtained hybrid resin of step (2), stir 10 ~ 20 minutes with the rotating speed of 300 ~ 800 revs/min, obtained resin mixture liquor;
(4) sand that step (1) takes is poured in stirrer, open stirrer, stir speed (S.S.) is set to 200 ~ 400 revs/min, to be mixed evenly after, the resin mixture liquor that step (3) is obtained joins in stirrer, arranging stir speed (S.S.) is 200 ~ 500 revs/min, blending and stirring 15 ~ 25 minutes, i.e. obtained concrete fissure grouting reinforcement glue;
Described solidifying agent is one or more of aliphatic amide;
Described softening agent is the condenses of furfural and ketone;
Described sand is quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604073.1A CN104446136A (en) | 2014-10-31 | 2014-10-31 | Preparation method of grouting reinforcement glue for fine concrete cracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410604073.1A CN104446136A (en) | 2014-10-31 | 2014-10-31 | Preparation method of grouting reinforcement glue for fine concrete cracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104446136A true CN104446136A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410604073.1A Pending CN104446136A (en) | 2014-10-31 | 2014-10-31 | Preparation method of grouting reinforcement glue for fine concrete cracks |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903598A (en) * | 2018-09-17 | 2020-03-24 | 张艳萍 | High-strength 3D printing chemical ink material for buildings and preparation method thereof |
| CN115536330A (en) * | 2022-09-14 | 2022-12-30 | 青岛理工大学 | Masonry structure mortar reinforcing structural adhesive and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390885A (en) * | 2002-07-30 | 2003-01-15 | 同济大学 | Interface treating agent of unsaturated polyester mortar as concrete repairing material |
| CN101880134A (en) * | 2010-06-13 | 2010-11-10 | 成都威邦科技有限公司 | Grouting material for water conservancy and hydropower project and grouting method thereof |
-
2014
- 2014-10-31 CN CN201410604073.1A patent/CN104446136A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390885A (en) * | 2002-07-30 | 2003-01-15 | 同济大学 | Interface treating agent of unsaturated polyester mortar as concrete repairing material |
| CN101880134A (en) * | 2010-06-13 | 2010-11-10 | 成都威邦科技有限公司 | Grouting material for water conservancy and hydropower project and grouting method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 黄金明: "环氧树脂灌浆材料的配制及其改性研究与应用", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903598A (en) * | 2018-09-17 | 2020-03-24 | 张艳萍 | High-strength 3D printing chemical ink material for buildings and preparation method thereof |
| CN115536330A (en) * | 2022-09-14 | 2022-12-30 | 青岛理工大学 | Masonry structure mortar reinforcing structural adhesive and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150325 |