Reinforcement in the ring beam is exposed

  • Erstellt am 2016-10-17 17:16:10

rabudde

2016-10-17 17:16:10
  • #1
Hello,

we are currently building and do not have an expert on board, please no fundamental discussions about that. The interior work has been underway for 2 weeks. This week we are getting an expert who can at least assess the current state to see if something is going wrong before everything inside is closed up. Key data:

- angled bungalow in solid construction (KS) with cold roof and ETICS
- approx. 1m frost skirt, steel-reinforced floor slab (there is definitely a dimpled membrane underneath)

So far, as far as I could see, I haven't found any really serious errors. Last week the electricians started and, while laying the wiring for the lighting, had to partially remove the wooden formwork of the ring beam. In two places we have now had to find that the concrete in the ring beam was apparently not properly compacted selectively. A picture is attached. Since the interior work has also started, it would currently not really be possible anymore to remove all the wooden formwork (160 sqm living space and the ring beam also covers all interior walls). Should I be worried about this? Basically, it should always be dry at the ring beam due to the insulation from outside, assuming no thermal bridges occur, and thus rust should not be an issue, right? Here specifically it is "only" a non-load-bearing interior wall, but what if similar voids have formed in other places? The builder does not consider this critical (the relationship with him is good).
 

nelly190

2016-10-17 20:41:22
  • #2
Hm... I don't know anything about the new construction stuff, but I don't think it's good. The reinforcement isn't there for no reason.
 

Knallkörper

2016-10-17 21:13:35
  • #3
The prescribed concrete cover is not maintained, so it is fundamentally not acceptable.
 

rabudde

2016-10-17 21:50:11
  • #4
Yes, I suspected that the concrete cover here is insufficient. What interests me much more is: how do we proceed now? I mean, they won't generally remove the wooden formwork completely from every ring beam, will they? And: would these suspicions now be enough to have the entire ring beam inspected? Then, out of suspicion, the complete formwork would have to be removed after all!?
 

Bieber0815

2016-10-17 23:12:16
  • #5
I now know exactly what the wooden cover is for!
 

readytorumble

2016-10-18 07:24:42
  • #6
What is the wooden cover for, besides hiding poor workmanship? With us, the formwork of the ring beam was removed after 2-3 days and since then it has been open. Except for a galvanized sheet where the base plate is attached, nothing is sticking out.
 

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