Cracks in load-bearing wall - Normal / Risk?

  • Erstellt am 2017-11-02 10:20:48

Dimitriy

2017-11-02 10:20:48
  • #1
Hello, I am completely new to the forum. I am buying an apartment from the developer. Next week I already have the notary appointment. My house (multi-family house) will only be built in 2 years. Other multi-family houses are being built on the construction site by Bonava (formerly NCC). A few days ago, I was really shocked because you could see cracks in the walls made from precast hollow core elements in the basement, which were pressed through joints and metal rivets. The developer said that this is normal and the cracks can occur. What do you think? How dangerous is it? The house is not yet built and has not settled yet, and already there are cracks. Although it is not the house in which my apartment is, it worries me if the developer works like that.

With hope for your answers,
Dmitriy
 

11ant

2017-11-04 01:36:28
  • #2
I can't quite follow linguistically: cracks pressed by metal rivets – what is one supposed to imagine by that? What I believe I have understood, however, is this: there were walls (or rather: lost formworks that still have to become walls by pouring concrete); and these formworks showed cracks. This is indeed hardly entirely avoidable and no danger to the building's stability. A construction site is no operating room, nor a girls' boarding school. Where there is planing, there are shavings.
 

Dimitriy

2017-11-04 11:58:39
  • #3
Thank you for your response! I am sorry if I was not able to clearly describe the situation. I am sending the photo from the construction site. To me, it looks really strange. But I am not a professional at all. The basement walls are made from two-layer filigree hollow wall elements with a concrete core. It is correct that the formworks are filled with concrete. The formworks show cracks. But together with the concrete core, they hold all 6 floors of the house. If they already show cracks now, is there a risk for the house?
 

Bau-Schmidt

2017-11-04 12:47:08
  • #4
Hmm.... I don't think that's normal. I have never seen anything like that.
 

11ant

2017-11-04 14:15:25
  • #5

You should cancel that if I have understood correctly that you want to buy from the builder of the house to which your photo belongs (so in a different building, but from the same provider). I can

only fully agree. Now I also understand what the rivets in your sentence were supposed to be for.

From your picture in #3, I clearly see the risk that an immediate demolition order will be issued if the building authority conducts an on-site inspection. Hats off to the highly original improvisation, but even with turned blind eyes, it won’t be compliant anymore.
 

Baumfachmann

2017-12-30 19:32:39
  • #6
When building, consult a [Bausachverständigen] He can prevent major disasters
 

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