The new house breaks sounds scary, especially for owners who don’t know about it. Buying such a house may be good nights and nights. In fact, when we buy such a house, we don't really need to be too nervous and anxious, because in general, as long as there is no quality problem in the structure of the house, the ordinary crack is very dangerous and well repaired. How to deal with the cracking of the wall ? Next, let's take a look at the related content of the decoration home network Xiaobian!
First, the cause of wall cracking
1. Shrinkage cracks. Due to the shrinkage of the material due to dry and wet changes, it is generally web-like on the wall surface, and two different materials may be formed on the interface;
2. Temperature cracks. Caused by thermal expansion and contraction deformation, generally cracked horizontally along the ring beam at the top of the house (flat roof), vertical crack along the window corner, diagonal crack along the corner of the window or the inner longitudinal wall (width at both ends, large, middle Basically no);
3. Settlement cracks. The wall is square-shaped and inverted-eight-shaped obliquely cracked by the uneven foundation (differential) settlement; the upper horizontal crack caused by the ash-slurry mortar pulverization and compression; the vertical cracking of the reinforced concrete beam caused by the settlement of the support, etc. ;
4. Deformation cracks. Cross-cracking of walls caused by deformation; joints of longitudinal and transverse walls; cracks caused by inclination;
5. Structural cracks. It is also called load crack caused by load action, such as multiple vertical cracks of the lower wall column of the girders; horizontal horizontal cracks, oblique cracks, and spanning vertical cracks at the main ribs of the beam and slab; Split; the transverse crack of the tension member and so on.
Second, the solution
1. Shrinkage crack repair and reinforcement. The U-shaped groove with a groove depth and a groove width of not less than 20 mm and 15 mm respectively is formed on the construction surface along the crack direction; when the crack is thin, it can also be cut into a V-shaped groove. When it is a moving crack, the groove width should be ≥15mm and the maximum crack width of 5 times, then filled with cement glue, and the fiber composite material is bonded to close the surface.
2. Temperature crack treatment. The surface crack can be repaired with a professional crack; when the crack width reaches 0.1-2mm, the crack is penetrated through the crack.
3. The other three types of cracks. It is a serious problem of the quality of housing structure. When collecting the house, it should be found that the problem should not be collected. After the house is collected, these problems should be discovered. After the appraisal, the developer should discuss the solution. If it is caused by barbaric construction, it should be The decoration company and the owner are responsible; if it is the quality of the house itself, it is the responsibility of the opener.
The above is a detailed answer to the Xiaobian, I don't know if you are satisfied with the introduction of the decoration home network Xiaobian~ If you want to know more about the exciting content, please continue to pay attention to our life encyclopedia!
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