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What is the reason for the U-shaped crack in the bearing wall beam?

Hello!

1, if it is a mixed structure. Generally speaking, this type of house is only equipped with ring beams. If there is a horizontal crack on the beam, it should not be a big problem. If there is vertical or tangential damage, the situation will be more serious. If there is a horizontal crack between the wall and the beam, please know the nature of the wall. If only it were just a partition wall. If you are not at ease, please ask the quality department to check it.

2. If the house is a frame structure, it belongs to the problem of infilled wall, that is, it is not filled properly or plastered prematurely. You can ask the developer to repair it, otherwise you can complain to the local building quality supervision station. Generally, there is no influence after repair, which is a common fault of frame structure and is caused by the rush of construction period.

If there is a crack in the top floor, it is not a small problem! It's hard to repair.