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What are the characteristics of a floor with underfloor heating?
The first feature is that there are a lot of coils under the entire ground. In the process of heating in winter, the hot water is constantly circulating in the underground pipes. In fact, I personally think that there is a slight vibration on our ground at this time, but we usually don't feel it.
The second characteristic is that the temperature of our entire ground is relatively high. Because you may not know much, the water supply temperature of underfloor heating is basically 45 degrees Celsius.
Above, then the temperature of the concrete around the floor heating pipe can basically reach 40 degrees. This heat will then cause some materials around the underfloor heating pipes to expand and contract.
situation. The third feature is that the underfloor heating is only turned on during the winter heating season, and is not used in the rest of the season. Therefore, there is a serious temperature difference in the room with underfloor heating. The presence of temperature differences also leads to severe thermal expansion and contraction.
What are the reasons why tiles bulge on the floor with underfloor heating.
The first point is that the density of the tiles on our floor is not very good. That is, the texture of the tile itself is relatively poor, and when this kind of tile is affected by temperature, the thermal expansion and contraction are relatively large.
The second point is that the method of tile paving is incorrect. In other words, we have adopted a seamless paving on the floor with underfloor heating. Seamless paving seriously limits the expansion and contraction caused by the thermal expansion and contraction of the tile itself, so these expansion and contraction forces will cause the tile to collide with each other, and finally the tile will warp.
The third point is that the materials used to lay tiles are also affected, resulting in swelling. In the case of underfloor heating in winter, the materials themselves will also produce a certain amount of expansion, and then there is no gap between the tiles, so the tiles will be warped even more seriously.
How to deal with tiles after they are cocked.
The first and most thorough method is to remove the tiles and re-apply them. At this time, the changes are relatively large and the cost is relatively high. Because it is necessary to remove all the tiles on the entire floor, and then take the paving method of leaving a gap of two millimeters between the tiles and the tiles, and then use flexible filling of the tile gaps.
The second method is partial restoration. That is to say, if we find that a few tiles are warped locally, then we can use a suction cup to remove these tiles. Then put the cement mortar underneath.
The third method is to cut the seam. That is to say, if we find that the tiles on our floor heating floor are warped, then we can use a cutting machine to gently cut a gap between the tiles on the floor heating floor and the tiles. In this way, to a certain extent, this kind of tile warping situation can be prevented.
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I had no choice but to knock it out and start over.
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In winter, the floor tiles in the living room arch up, which is caused by frost heaving of the foundation soil, and the foundation needs to be redone and replaced. Frost heave is caused by the freezing of water in the soil and the growth of ice (especially convex mirror-shaped ice) causing soil expansion and uneven uplift of the surface. Frost heave generally causes the ground to deform and form frost heave ridges.
The causes of frost heave include the freezing of the original water in the soil, and the expansion of the volume; At the same time, it also includes the migration of water from the Zheng core in the lower unfrozen soil and enrichment to the frozen surface during the soil freezing process, and the water is relatively concentrated, and the water and soil particles are differentiated to form an ice lens or a frozen burning interlayer, which expands the soil volume.
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Divide it into small pieces in the middle, beat it into a grid with a wooden plank, and then pour it can solve the problem very well.
1. If the floor tiles are paved with seams, the size of the gap is not properly treated (generally 2mm), and the expansion and contraction of the base layer is larger than that of the tile, which will cause the arching of the tile layer.
2. If the treatment of the leveling layer is uneven when paving the tiles, it will also cause hollowing. In such a situation, it can only be when the floor tiles are redone, and the process is not handled well.
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In this case, you can plant a few trees around it, which will prevent the wall from freezing down.
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The courtyard wall should be repaired as soon as possible if it is frozen in winter, otherwise it will easily cause danger.
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How to solve the winter agitation of the courtyard wall? Since the temperature is particularly low in winter, many things are prone to frostbite and frostbite, so you can apply a layer of straw to the surface.
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This can be smeared with something, like the kind of professional wall repair thing, maybe in winter, because the weather is very dry and cold, so it freezes like this.
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Hello, don't worry about the frozen bones of the courtyard wall in winter, just wait for the weather to warm up, don't worry.
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The courtyard wall is frozen in winter. In this way, you can put some plastic sheeting to do some thermal insulation and anti-freezing measures.
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If the courtyard wall freezes in winter, you can choose appropriate measures to keep warm.
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How to solve the frozen drum of the courtyard wall in winter? Re-reinforced.
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So, what should I do if the cement floor freezes? Generally, there are the following ways to deal with it:
1. Re-pouring cement floor: suitable for the ground with deep frostbite, and the frostbite depth is more than 10mm. Method: Remove the frostbitten surface layer and re-pour cement mortar or fine stone concrete floor.
2. In the case of not very serious, the cement floor sand treatment agent can be directly used for surface curing treatment, which works completely through penetration and does not change the appearance, mainly improving the surface hardness, strength and wear resistance of the ash and sand floor, and the effect after treatment is long-lasting, and heavy vehicles can be walked for a long time.
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At present, there is no way to solve this problem, because this kind of natural problem is irresistible to manpower, and there is no technology to use this kind of thing. Because the Northeast region is freezing in winter, no one can control it, unless global warming changes the climatic conditions in the Northeast region.
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If it is a newly constructed ground, it can be insulated; The process should be ensured during construction.
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This is the time of construction, but it is not passable, and there is air in it that cannot be prevented!
The northern hardy flowers are:
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If it's not particularly cold, don't worry about it, and if it's also very cold, you should pay attention to heat preservation.
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Alpine rhododendrons are now mostly used for potted ornamentation, and they prefer a cool, humid environment, and because of the large canopy, the water demand is also large. The root system is developed, it is a shallow root tree species, the cultivation substrate should be loose, rich in humus, the soil aggregate structure is good, the pH value is between to, and it is best to plant it in a potted with clay tiles. Alpine rhododendrons are not resistant to high temperatures, with more than 35 poor growth, but can tolerate 10 years of severe cold, and can safely overwinter in Shanghai, Wuxi, Suzhou and other Jiangnan regions.