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Whether it's a wall, or a floor, how wide, please make it clear, preferably with a picture.
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This is a matter of site visits to see how it is.
It is recommended to find a professional to come to take a look, after all, it is not a trivial matter that the cracks in the wall are still leaking for such a long time.
You should seek third-party certification before repairing to see if safety is compromised. >>>More
If the previous prefabricated slab floor, this kind of crack is normal, because there are gaps between the prefabricated slabs themselves, but the mortar is cracked, if it is a reinforced concrete floor, there will generally be no straight line through the floor.
What is the construction party? Property people?
The payment of property management fees is the obligation of the owner, are you the owner? >>>More
You don't need to add beams, and the concrete strength grade is 25; PLATE THICKNESS 140MM; The steel bar is made of secondary steel bar (rebar attack balance stuffing), the diameter of the straight barrage section is mm, and the spacing is 120mm double-layer two-way.
The beam height of the span meter is meters, and the beam height of the span meter is meters.