class structures

[Nairi85]

Good afternoon! Help please.
Nowhere can not find a transcript of these designations. Read EC2, but there was never found these acronyms. Please do write to me:

S1 - ?

S2 - ?

S3 - ?

S4 - ?

S5 - ?

S6 - ?

[Rafal.Gaweda]

https://www.google.ch/webhp?sourceid=chrome-instant&ion=1&espv=2&es_th=1&ie=UTF-8#q=structural%20cla...

[Nairi85]

I certainly up to the creation of this theme, looking for information on the Internet.
But unfortunately has not yet been able to find where the document will be painted as part of these categories.
I would appreciate if somebody still attach this information.

___________________________________

Я конечно же до создание этой темы, искал информацию в интернете.
Но к сожалению пока что не смог найти документ где будет расписано что входит эти категории.
Буду признателен, если кто нибудь все таки прикрепит эту информацию.

[Rafal.Gaweda · Accepted solution]

Last link on google serach results ; page 2 in pdf below
http://host.uniroma3.it/dipartimenti/dis/ricerca/hospitals/Articoli_pdf/nsv.01.eng.pdf

[Nairi85]

Thank you, friend 

For the second day looking for.

[Anonymous]

How does this parameter affect to the output? A user defines concrete cover manually and it is not clear where the structure class is used...

[Cestakar]

I have the same question like @Anonymous?

[Cestakar]

????