AB composite grouting resin (hollow crack grouting repair) grouting resin (hollow crack grouting repair)
The grouting resin is a * * * resin adhesive for grouting treatment of concrete structural micro cracks, which is modified and refined with low viscosity epoxy resin, high polymer emulsion, etc., and various additives and active additives. The adhesive does not contain volatile solvents, and has the characteristics of small shrinkage of resin body, high strength, good toughness, strong adaptability, etc.
It is widely used in concrete bridge, housing, water conservancy, pavement and other projects for crack injection repair, grouting resin for large structural penetrating cracks and deep and winding cracks reinforcement injection repair, concrete internal honeycomb, loose and other defects reinforcement injection repair, glass fiber reinforced plastic anti-corrosion, structural surface coating anti-corrosion construction.
detailed description:
GST modified epoxy joint sealant
Grouting resin
GST modified epoxy joint sealant
Repair of cracks in concrete structure and hollowing of various bricks)
Product features
This product is a * * * resin adhesive for grouting concrete structural micro cracks, which is characterized by small shrinkage of resin body, high strength, good toughness, strong adaptability, etc.
Product use
It is suitable for filling structural micro cracks>0.5mm, and grouting reinforcement treatment can also be carried out for mortar, concrete, brick board hollowing cracks and other conditions.
Executive standard GB50728-2011
Technical performance
construction technology
1、 Material allocation:
1. Mix and mix evenly according to the proportion of component A: component B=4:1, and then use.
2. According to the actual crack width and construction conditions on site, appropriate diluents (such as acetone, II) can be added into the epoxy resin mixture
Toluene or resin * * * diluent is used for dilution to reduce the viscosity of resin and facilitate perfusion.
3. The one-time mixing amount should be no more than 500g. It should be used as soon as it is prepared. The initial setting should be 24h, and the complete curing should be 5-7 days. If the one-time mixing amount is too large
The initial setting time will be shortened accordingly.
2、 Concrete structure crack repair construction description:
3、 Relationship between operation time and temperature of resin adhesive
4、 Relationship between fracture width and injection port spacing
matters needing attention
1. This product is applicable to the environment above 5 ℃. Temperature rise measures must be taken when the temperature is below 5 ℃.
2. When there is water on the concrete surface, it shall be wiped off and dried with a hot air blower.
3. Pay attention to ventilation in the use place. Wear protective glasses, gloves, and tight fitting overalls when using. Wash hands in time after using this product.
4. In the process of construction, if it is accidentally splashed on * * * or in the eyes, it should be immediately washed with a large amount of water. If it is serious, it should be promptly treated.
Packaging, storage and transportation
1. This product is packed in iron drums, and the packaging specification is 20kg/group.
2. This product is not flammable and dangerous. It can be transported by air, * * * and road. It should be handled with care during transportation, loading and unloading. It should be rain proof, sun proof and not upside down.
3. The product is stored at room temperature and has a shelf life of 12 months. If it exceeds the shelf life, it can still be used after passing the test.
I. Grout resin packaging
mmexport***94
2、 Seam sealer
QQ picture 20 * * * 7
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Crack construction process
A. Treatment of crack surface, B. glue mixing, C. seam sealing, D. setting glue nozzle, E. pressure glue filling
1. Crack treatment
For small cracks in concrete components, use tools such as wire brush to remove dust, scum, loose layer and other dirt on the surface of concrete cracks, and brush off the scum; Wipe clean with alcohol or along both sides of the crack. Grouting resin
For concrete components with large volume or deep cracks, drilling and grouting can be adopted along the cracks, so that the glue can have a wider access to the cracks.
2. Set grouting resin at the base of grouting nozzle
Glue filling nozzles must be set at the intersections of cracks, wide cracks and crack ends. The spacing of glue filling nozzles can be determined according to the crack size, direction and structural form. One crack must be provided with a glue inlet, air outlet or glue outlet. The base of glue filling nozzle can be pasted at the position with sealant first, or it can be pasted together during sealing. Special attention shall be paid to prevent blocking the glue filling nozzle.
3. Seam sealing
The quality of sealing joint directly affects the grouting effect and quality, which should be paid special attention to. The crack can be sealed with sealant, which is weighed and prepared according to the recommended proportion of sealant. Apply a layer of mastic evenly after repeatedly scraping along the crack with putty knife, and pay attention to prevent small bubbles or poor sealing.
4. The sealant is fast curing, firm bonding, and ready to use. It is a * * * adhesive used for crack sealing and base bonding in conjunction with the automatic pressure grouting process. Glue grouting resin can be injected 10 minutes after the sealing is complete
5. Prepare and inject glue solution for continuous glue injection
* * * glue injection appliance shall be used for glue injection. Prepare grouting resin in proportion, pour it into the hose, screw the grouter with resin onto the base, and loosen the spring for glue injection. According to the size of the crack area, single hole grouting or zonal hole group grouting can be used. The grouting on a crack can be from shallow to deep, from bottom to top, from one end to the other. Insufficient resin can be supplemented repeatedly. Automatic pressure grouting device is often used for grouting pressure. Under the condition of ensuring smooth grouting, grouting resin can achieve better grouting effect by using lower grouting pressure and longer grouting time. Remove the grouter and rotate it on the base with a plug to prevent the glue from overflowing.
Empty drum construction process
A、 Determine the empty drum position B, punch the hole at the empty drum position C, screw the water stop needle D, connect the grouting machine E, prepare the epoxy resin empty drum glue F, start grouting G, observe the working state of the grouting machine H, check the empty drum glue injection on the ground I, glue injection completed
1. Determine empty drum position
Knock the ground, determine the location of the ground hollowing through the echo, check the area of the hollowing, and observe whether there are cracks on the ground with grouting resin. If there are cracks, seal the cracks with sealant first.
2. Punching at empty drum position
After determining the location and area of the hollow drum, use a 14mm drill bit to drill a hole above the hollow drum, determine the location of the hole to the hollow drum, and clean the ash in the hole.
3. Screw the water stop needle
Put the water stop needle into the hole made on the ground, and use tools to tighten the water stop needle to ensure that the water stop needle is fully and tightly connected with the concrete.
4. Connecting grouting machine
Connect the grouting machine with the screwed water stop needle and check whether it is fully connected.
5. Preparation of epoxy resin cavity glue
Mix Wanji WJ grouting resin adhesive in the ratio of 4:1 of epoxy resin adhesive: curing agent, and mix evenly.
6. Start grouting
Pour the adjusted epoxy resin glue into the grouting bucket of the machine, and the grouting resin start switch starts grouting.
7. Observe the working state of grouting machine
When grouting starts, pay attention to the state of the machine. If the grouting fluid is slowly decreasing, and the pressure gauge of the machine is within the normal range, it means that the grouting fluid is being injected into the underground cavity. If the grouting fluid has not decreased or the pressure gauge of the grouting machine is rising after starting up, stop grouting immediately and check whether the grouting pipe of the machine is blocked, Whether the grouting hole is connected with the empty drum.
8. Check the empty glue injection on the ground grouting resin
After grouting for a period of time, observe whether there is any glue leakage on the ground, and knock the ground to see whether it is empty, observe where the empty glue is injected, and check the direction of the glue.
9. Glue injection completed
After a period of normal glue injection, the pressure gauge of the grouting resin grouting machine starts to rise, indicating that the ground at that time has been filled or that the ground at that time is not connected with other hollowing positions, so it is necessary to re select the grouting point for re grouting.
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The above is a detailed introduction of the rapid setting epoxy grouting resin manufacturer, including the manufacturer, price, model, picture, place of origin, brand and other information of the rapid setting epoxy grouting resin manufacturer!
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