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After the completion of the floor construction, the rope should be pulled out of the isolation area to prevent people or pets from accidentally running in and stepping on footprints, if it is a traffic intersection, it is necessary to set up a temporary intersection for pedestrians, and a special person should be assigned to be on duty, and the cement should be sprinkled for maintenance after solidification.
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After completion, it needs to be maintained manually, and I asked Haoshuo Construction Labor to do it, mainly because I don't need to use sharp objects to scratch on it.
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Flooring is made by a variety of flooring construction processes such as mixing, dissolving, and dispersing various kinds of substances. It is mainly divided into decorative flooring, high anti-corrosion flooring, heavy-resistant flooring, etc. The floor has the characteristics of bright, real, beautiful, wear-resistant, waterproof, anti-corrosion and prudent.
Let's talk about the precautions in the floor construction process.
Precautions for floor construction process: The strength of concrete is ordinary silicate above c kg m 3. The ratio of cement to cement <;
During the construction process, the tiling layer must be fine stone concrete and its thickness must be less than 50mm.
1. The construction of wear-resistant materials and the irrigation of cement floors are generally carried out at the same time, in order to ensure the construction quality of the wear-resistant layer and the progress of the project, the mixed water irrigation must be matched during the horizontal construction process.
2. The design of the template should be flat and firm, the template should be 6m as the best, coated with release oil, and the template should be measured at any time with a leveler, and the deviation must be adjusted in time.
3. The floor construction process needs to use heavy-duty steel long rollers (steel rollers are larger than the template) to repeatedly exert pressure to keep the steel model clean and the floor flat.
4. During the floor construction process, use a hose to secrete water for the parts with serious water secretion;
5. During the construction process of Party B's floor, no cross construction shall be arranged, the constructed floor shall be protected and protected, and Party A shall provide tap water and electricity.
1. The cement base used in the floor construction process should be firm and strong, and the wide trace collapse should not occur without shelling, and the phenomenon of gray shell should be eradicated, and it is best to pour the concrete layer and the mortar flat layer together. First of all, a concrete layer should be formed, the thickness of the mortar layer should not be less than 4 cm, and the fork lane is required to be thicker.
2. The floor construction process requires no sand and dust on the surface, good hardness, and no cement powder. a. High-quality cement is required. b. The mortar layer of the newly poured cement must be fully maintained.
3. The cement base surface is flat, not concave and convex, honeycomb pockmarks, cement blocks.
4. The flatness of the ground is not greater than the thickness required by the coating (according to the 3-meter ruler).
5. The surface is dry and the water is insufficient.
6. After the floor construction process is completed, the ground should be kept dry to avoid oil pollution. Remember that after the maintenance period of the cement floor, it is not allowed to rinse or mop water with water for 5 days before entering the venue.
You can get it for free
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Due to the above-mentioned problems in the cement foundation surface, if it is not treated in the construction process, once the paint film molding is very easy to cause the problem of poor surface flatness and poor apparent effect, the foundation part and the floating part should be treated in the base surface grinding treatment construction process, and the epoxy quartz mortar should be used to repair and fill after the primer is cured, and then the epoxy resin coating construction is carried out in the case of the relatively flat base surface. The slurry layer is processed and polished using a special base surface grinding equipment grinder to improve the flatness of the base surface as much as possible. In the whole process of construction, we should pay attention to the problem of flatness, and improve the flatness as much as possible, so that the stressed surface (use surface) is evenly stressed during use; In order to ensure that under normal use, the long-term use of the floor can be maintained and the overall appearance of the aesthetic effect can be improved.
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After 2 days of construction, the ground can be preliminarily manned, and after 8-15 days, the forklift can carry heavy loads or walk as usual. Some people may say that after 1 day of construction, you can go to people, and you can put on heavy objects in 3 days, because the surface seems to be condensed, and the preparation, mixing and operation time of the primer should be carried out according to the requirements of the product manual, and the coating should be uniform, without leakage and stacking. The preparation, mixing and operation time of vinyl ester resin middle coating should be carried out according to the requirements of the product manual, and the aggregate should be evenly spread immediately after paving to meet the requirements of anti-slip design.
Within 24 hours after the completion of spreading, the excess and loose aggregate should be removed. The formulated vinyl ester resin topcoat material should be thinly coated. After the construction is completed, the ground should be maintained in accordance with the requirements of the product manual; It can only be used after the curing is completed.
After the construction is completed, the ground should be protected by the finished product.
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Five key points of epoxy resin floor construction:
First, the plain land treatment.
The basic ground is subject to cement powder smooth surface or grinding stone ground;
The plain land needs to be maintained for more than 28 days, and the moisture content needs to be less than 8% before the construction of the plain land, if there is unevenness or hollowness, it needs to be removed;
leveling the ground with epoxy mortar;
The oil stain of the plain land needs to be cleaned thoroughly;
Before construction, it is necessary to keep the construction site dry and clean;
Second, the bottom coat.
Before construction, it needs to be kept clean, if there is debris adhesion, it needs to be removed, mix the main agent and hardener according to the correct proportion, and stir it fully;
It is necessary to adjust the appropriate viscosity and mix according to the ground conditions, and the construction of the material needs to be completed within 4 hours;
The curing time of the undercoat is about 8 hours or more.
3. Medium coating.
Before construction, it needs to be kept clean, if there is debris adhesion, it needs to be removed, according to the correct proportion, the main agent and hardener are mixed, and fully stirred;
Add an appropriate amount of mixed epoxy resin to quartz sand;
Use a trowel to evenly coat the material;
The mixed materials need to be completed within 30 minutes, and the construction is completed;
Do a good job of handover at the construction handover;
The curing and hardening time of the medium coating is about 8 hours or more.
Fourth, the batch of soil layer.
Mix the main agent and the hardener according to the correct ratio and stir thoroughly;
Use a batch knife to evenly coat the material;
The construction of the mixed materials should be completed within 30 minutes;
The curing and hardening time of soil is about 8 hours;
Depending on the actual needs, the construction of several roads is required to be smooth and without holes, and there is no batch of knife marks and sanding marks.
5. Topcoating.
Before construction, it needs to be kept clean, and if there is any debris adherence, it needs to be removed;
Stir well with the main agent before use;
Mix the main agent and the hardener according to the correct ratio and stir thoroughly;
Use a roller or trowel to evenly coat and mix the material, and the construction should be completed within 30 minutes.
The construction handover should be handled at the handover place;
After the construction is completed, it can be put on the person after 24 hours, and it can be pressed after 72 hours (subject to 25, and the opening time should be moderately extended at low temperature).
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The construction of floor paint is divided into three stages: before construction, during construction and after construction, and the problems that need to be paid attention to in each time period are as follows: 1. Preparation before construction
1. Check whether the ground is flat, and mark the ground that is too high or too low for polishing and repair. We generally use a 2m straight ruler to measure and record the gap difference. 2. Before construction, it is necessary to understand the maintenance time of the clear surface, whether the waterproof layer at the bottom layer is under construction, and what the weather is during construction.
Because epoxy flooring is not suitable for construction in a cold or humid environment, generally speaking, 7 days of maintenance time is suitable in summer, and 10 days if the weather is cold and humid. The detection of water content is to prevent too high water content from affecting the adhesion of the coating film after construction. 3. In order to prevent the defects of coating film such as sand and hollowing after construction, we generally check the strength of concrete before construction.
For concrete with poor strength, special attention should be paid to vacuuming before construction, and then the solvent-free primer should be diluted for priming to make the concrete stronger. 4. Check whether the construction environment is clean and closed. If there is no closure, the dust will blow into the construction ground, making the ground granular and uneven.
In addition, it cannot be applied in a super-cold environment, so as not to affect the coating effect. 2. During construction: 1. The amount of material ratio should be accurate, and the material should be stirred evenly.
2. During construction, the thickness of the coating is uniform, and it can only enter the next process after solidification. 3. Check whether there is a quality problem on the coating surface after construction after each coating, and deal with it in time. 4. Pay attention to maintaining the hygiene of the construction environment and avoid dirt falling into the uncured coating.
3. After construction: 1. After the construction of the floor paint coating is completed, clean up the site and take all the construction tools and materials away from the site After curing for hours, the surface coating film can be cured and can be walked, inspected after three days, and can be put into use after a week. 3. After being put into use, the epoxy floor project should pay attention to maintenance, prohibit destruction, regularly check the surface condition of the epoxy coating, and report for repair in time if there is damage.
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Floor paint construction notes: 1. Check the foundation ground condition: whether it is smooth?
Identify the areas that are too high or too low, and polish or repair them. 2. It is necessary to clearly know the maintenance time of the ground, the situation of the construction environment, temperature, humidity, whether there is a waterproof layer, etc. Because the construction of epoxy floor code Lushengping paint is affected by the environment, the temperature can not be too high or too low, and the humidity should also be within the appropriate range.
The maintenance time is 7 days in summer and 10 days in places with low temperatures or humidity. Check the strength of the concrete floor. This is to prevent undesirable phenomena such as sand and hollowing of epoxy floor paint after construction.
Concrete ground with low strength, special attention should be paid to vacuuming before construction, after cleaning, paint with epoxy sealing primer, seal the capillary pores of concrete floor, prevent water vapor, debris and so on from penetrating into the ground, enhance the strength of concrete floor. Check whether the environment of the construction site is clean. If the epoxy floor paint is mixed with dust and other debris, the epoxy floor will appear granular or uneven.
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What kind of basis, please add. Thank.
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How can you know if you don't have **?
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Automobile repair shops generally use epoxy mortar flooring, and a total of four processes need to be done: primer, putty, mortar, and top coating. During construction, it is necessary to pay attention to the fact that there can be no oil stains on the ground, and the foundation ground must be treated first.
The biggest problem with the renovation of the floor of the auto repair shop is that there is a lot of oil pollution. If there is oil stain, it is not possible to directly do floor paint construction. It must be completely removed before it can be painted.
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It's true that there are a lot of problems.,But I can say that a few are counted as a few keys.。
1. The flattening of the mountain argument is very poor;
2. Water seepage; 3. Cross construction is required;
4. There is a problem with the quality of the original ground;
5. The site is occupied (Party A fails to empty the site in time, temporary stacking, etc.);
6. Water, electricity, etc. are not connected as required;
7、..Let's add it when I think of it.
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That's a lot. It's up to you to answer. It's better that way.
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