Scheibenwirkung

21:20 Mar 20 

to all contributors and for the discussion.
I settled on "diaphragm action".

09:40 Mar 19 

A "verlorene Schalung" remains in the building/structure/element by definition - that's the very essence of "verloren" in this case (in the sense of not being reusable). Any architect or construction engineer would confirm this when asked.

10:10 Mar 18 

The context known to us so far says nothing about whether it is a lost formwork or whether it remains in the building. However, the fact that the component acting as a "diaphragm" has to absorb the forces suggests that it remains in the building.
However, further context may reveal whether this is the case. If this question is important in the translation but is not answered in the text, I would ask the client for clarification.

10:10 Mar 14 

On a side note, you might consider "permanent formwork/shuttering" as a translation of "verlorene Schalung", which means that the formwork remains in place permanently (as part of the element/structure) post-completion, rather than being removed. See, for instance, https://www.lemon-gs.co.uk/hyrib-permanent-formwork.html and https://www.lemon-gs.co.uk/cellform-permanent-formwork-syste...

16:07 Mar 12 

Hmm... As king Johannes once noted: Wer es nicht weiß, soll lieber nichts sagen. I think that applies to me now as well. I just can't picture this form with a diaphragm action, sorry. I'm out.

10:21 Mar 12 

many thanks for your contributions.
My question is the appropriate translation of the term "Scheibenwirkung".
My explanation below is an attempt to answer Arne's question and to provide additional information about the product.
Figure 115 shows the static system, load, vertical support reaction Rz,Ed, moment MEd, internal reaction force NEd and utilsation η of the vertical members of a lattice girder that is part of the formwork product. The lattice girders support expanded metal mesh that forms the actual formwork against which the concrete is poured.

08:53 Mar 12 

many thanks for your contributions.
My question is the appropriate translation of the term "Scheibenwirkung".
My explanation below is an attempt to answer Arne's question and to provide additional information about the product.
Figure 115 shows the static system, load, vertical support reaction Rz,Ed, moment MEd, internal reaction force NEd and utilsation η of the vertical members of a lattice girder that is part of the formwork product. The lattice girders support expanded metal mesh that forms the actual formwork against which the concrete is poured.

08:38 Mar 12 

I am probably right in assuming that the question does not refer to "load bearing capacity", but to "Scheibenwirkung".
Note: Figure 115 clearly shows how the sheet (diaphragm) bends under vertical load, analogous to the torsion of a bar.

07:45 Mar 12 

many thanks for your contributions.
I have now concluded that “disposable formwork” might not be the correct term. In German it is “verlorene Schalung”, so I will change my translation to “lost formwork”.
The specific application of the formwork product is to form working joints, e.g. where the pouring of the concrete is halted to be continued at the next day or shift. The formwork remains in place and the next day’s / shift’s concrete is poured against the previous “outer” side of the formwork. The detailed expert (approx. 30,000 words) assessment examines the load bearing capacity of the formwork (in its various versions) against the load of the fresh concrete.
The chapter in which the “Scheibenwirkung” appears discusses the product’s vertical members’ capacity to handle horizontal forces.

21:35 Mar 11 

@Johannes, danke für die Referenz. Mir war nicht ganz klar, was Produkt X eigentlich darstellt, aber jetzt scheint es etwas eindeutiger zu werden. Dazu muss ich aber Peter etwas fragen.
@Peter Can you confirm that we are talking about products such as on the first page of this website?
https://disposableformwork.com/#:~:text=Disposable Formworks...
If so, I am not sure if you really need to include "diaphragm action" or any other action as it is just for construction purposes (disposable product). So, I guess you could just use what is already in your introductory sentence: load bearing capacity. Scheibenwirkung in that case would only highlight the potential effect of product X. Or at least it is insignificant as the load is transferred to multiple forms anyway.

07:47 Mar 11 

"load earing" is my typo. Apologies if this caused confusion. Thank you, Arne, for pointing this out.

17:10 Mar 10 

Im "Dictionary of Architecture Building and Construction and Materials" sind zwei Begriffe für Scheibenwirkung aufgeführt: sheet action, disc action. Hier steht folgendes: "Scheibentheorie ist die Lehre von den Scheiben. Scheiben sind Platten, bei denen die äussere Last in der Ebene der Mittelfläche wirkt. Die Scheibentheorie führt zur Airyschen Spannungsfunktion..."

15:07 Mar 10 

No, Scheibenwirkung relates to the force put on a/the plate.
https://de.wikipedia.org/wiki/Scheibe_(Technische_Mechanik)#...
"load earing" is probably "load bearing", a typo by Peter.

15:02 Mar 10 

A Scheibe in this context is a disc or diaphragm, so diaphragm effect?