There are multiple cracks about 0 2 mm in the middle of the living room in the cast in place slab

Updated on Living room 2024-08-15
4 answers
  1. Anonymous users2024-01-24

    The cracks of the concrete are harmful and harmless, and the cracks greater than 4 mm are harmful according to the regulations, I am sure that if it is 2 mm, it is not a big problem if it is not broken, and there will be no problem with the structure, and a simple grouting treatment will be fine

  2. Anonymous users2024-01-23

    The beam is an important part of the load-bearing part of the house, and no cracks are allowed. You can ask the builder or developer to repair and compensate by taking photos and inviting the local construction quality supervision and inspection station to collect evidence on site. In order to maintain the safety of the beam structure, the structure needs to be reinforced.

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  3. Anonymous users2024-01-22

    Let's find a qualified unit to appraise.

  4. Anonymous users2024-01-21

    According to the crack situation you mentioned, it affects the bearing capacity and safety of the structure. The main reasons may be 1. The design reinforcement is insufficient, 2. The concrete strength is not enough, and 3. The formwork is removed too early. The design unit and the contractor should be approached to study and analyze the reasons and ask for compensation.

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It's not normal for you to have such a layout without cracks, so don't want to save concrete and don't set up beams, it's useless to put more steel bars without setting up beams, the plate is too thin to resist the negative bending moment in the span, so it will crack, and the beams can be added but the difficulty is a little bigger.

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If there is no beam inside, the thickness of the plate is less than 150mm, then the "play" of the size of the steel bar is also in vain! Densely packed, it can only guarantee that it will not collapse, and it cannot guarantee that it will not crack or be inflexible!

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Although I am not engaged in civil construction, it is definitely not possible to use such small tendons for such a large span.