Talk:Arch

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Add a Roman Aqueduct Picture

Roman Aqueducts are famous for their use of arches. I've added a picture of a Roman aqueduct from North Africa to the main section. Intranetusa 21:10, 24 September 2007 (UTC)[reply]

Han Dynasty tomb arch

A 1700 year old tomb from the Han Dynasty shows the use of arches...which meant the arch was probably more prominently used in buildings than previously thought. http://www.china.org.cn/english/culture/223984.htm I've added two Han Dynasty tomb archs, one to the main section and one to the gallery. "Han_Tomb_Arch_1.jpg" "Han_Tomb_Arch_2.jpg"

Intranetusa 21:06, 24 September 2007 (UTC)[reply]

Minimize image load time

Seriously, I'm on a fast connection and they're taking heck of a time to load. --Cyberman 19:38, 28 September 2005 (UTC)[reply]

Arch Engineering

I am considering adding a sub heading 'Engineering of the Arch' which will explore the progression of the arch from circuler, through gothic to the eventual catenary shape. If you have any ideas for the section, or strongly object, please say so. --Commander Keane 14:11, 7 Feb 2005 (UTC)

AAA

You made a mistake, The arch wasn't developed in Ancient Greece, Romans saw that structure in Mesopotamia.

Illustration captions

Could someone please replace the current captions in the big illustration of arch types with their English equivalents? It's a nice illustration, and it would be nice to know the names of the different types. Gwimpey 18:55, 14 September 2005 (UTC)[reply]

Arched road bridges in the Lake District, Uk.

I have noticed a good number of stone, arched bridges in Cumbria, England. I assume these have been built since Roman times. It would be nice to see a section on who built these, when, and how immediatley influential the Romans were.

Interesting that the cultures in Mesopotamia influenced the Romans according to AAA but those of us have visited Olympia know there is an arched entrance to the Stadium there. Did the Olympians(or those people from Eleusis) copy the Romans? Not sure of the date.

DVK

The stone arch road bridges in Cumbria aren't in general especially remarkable. Details of the history of some will probably be found in "The Ancient Bridges of Northern England" by Jervoise, long out-of-print but occasionally for sale on eBay or Abebooks. I would be very surprised if any/many date back to Roman times, most will be post-medaeval. Perhaps the most interesting Cumbrian arch bridges are the packhorse bridges, which already have an article. For the influence of various cultures on development of arches, see Talk:Arch bridge where this same issue is being discussed at present. -- Kvetner 14:05, 1 April 2007 (UTC)[reply]

Merge

Both Voussoir and Keystone (architecture) are rather small stubby articles at the moment. The arch article would benefit greatly from their inclusion. Both keystones and voissoirs cannot be discussed without mentioning arches so the reader will only be inconvenienced by having to navigate away to separate pages. --Mcginnly | Natter 13:20, 1 December 2006 (UTC)[reply]

oppose - I believe at least Keystone deserve it's own article. (plus it isn't that stubby.) That doesn't mean that the material couldn't be incoeporated into the "arch" article as well though.Maunus 12:12, 19 December 2006 (UTC)[reply]

oppose - Arch should be a general article with subarticles on specific types, in my opinion. Otherwise, it will become like Dam which is a mess now because every article with the word "Dam" in it was merged into it. When writing architecture articles, an editor wants to be able to link to a succient article to explain a term to a reader without the reader having to wade through a huge general article. Sincerely, Mattisse 13:31, 8 February 2007 (UTC)[reply]

support - One essential fact is that the keystone of an arch has no structural function other than serving as a part of the arch. Furthermore, the keystone is not the "key" of the arch in any sense other than an aesthetic one. Our eyes are drawn towards a keystone, but it is no more necessary to the stability of the arch than are all of the other stones of the arch. Merging the keystone article into the arch article is fair to the prose in the former article, because it will allow that piece of prose to do for the larger article what the "keystone" of an arch does in real life. Bigturtle 22:31, 27 March 2007 (UTC)[reply]

oppose - The keystone is basically the aesthetic main feature of an arch and an article about it makes sense to me - there should be a long article about it containing a gallery of images and explaining common misunderstandings. As a consequence, an article about voussoir makes sense too.

/ Mats Halldin (talk) 18:22, 1 April 2007 (UTC)[reply]

oppose - I suggest that specific sections on voussoir and keystone are added to the main arch article, with "see main article" headings to point to the more specific articles. Although they'd all fit happily in one article, I think it is better for now to keep them separate to avoid the main article becoming too long in future. Also, there are more important things to do in the main article e.g. describing other features such as the spandrels. -- Kvetner 09:24, 11 May 2007 (UTC)[reply]

oppose - I just used this article because I was specifically asked what a keystone and a voussoir was, and I wasn't asked in a way that suggested arches. "Keystone" and "Voussoir" are architectural terms, and deserve their own articles where people can find the meaning of the term instantly. PerryPlanet 05:34, 17 June 2007 (UTC)[reply]

::oppose - I believe that a Voussoir is a distinct element on its own and needs to be distinguished as such. Specific terms are wikilinked in architectural articles. The general reader is confused, I believe, when the wikilink goes to a long merged article where the reader has to sort out the specific meaning. --Mattisse 01:22, 25 June 2007 (UTC)[reply]

Sorry! I have already voiced an opinion (above) so I struck this one out. --Mattisse 01:25, 25 June 2007 (UTC)[reply]

Grande Arche

The Grande Arche in Paris is called an arch. Is it an arch? -- 201.50.251.197 15:37, 16 February 2007 (UTC)[reply]

No. In the UK, this form of structure is more commonly called a portal, as this is a general term which can be used where the structure is not curved in the manner of an arch. -- Kvetner 14:00, 1 April 2007 (UTC)[reply]

unknown arch

What is the translation to the english language for this sort of arches between buildings in narrow alleys?

In Germany it is called Schwibbogen (schwibb arch) or Schwebebogen (float arch). Manny thanks from Ronaldo from the German Wikipedia.

A quick google suggest either candle arch, floating arch, or flying buttress. There is an interesting article about it here.

/ Mats Halldin (talk) 07:40, 13 February 2008 (UTC)[reply]

Mesopotamian arches

Actually, they were used for doorways etc, not just underground stuff as the article says. In fact, there are some nice arches in Eshnunna (Tell Asmar) from the Sargonic period i.e circa 2200 BC. Look at http://oi.uchicago.edu/pdf/oic17.pdf around pages 15 and 16 (pdf pages 27 and 28).Ploversegg (talk) 22:23, 30 July 2008 (UTC)ploversegg[reply]

Comments on "Technical aspects"

A very helpful article. :-)

I have two comments/corrections/questions from an engineer's point of view on the section "Techincal aspects" of the page, and specifically on the following sentence: "The arch is significant because, in theory at least, it provides a structure which eliminates tensile stresses in spanning an open space."

1) What is the motivation for the remark, "in theory at least"? If it is related to the existence of stress-concentrations at cracks or other material imperfections in nature as opposed to "theory" (where the material behaviour is simplified), I guess the term "theory" should be understood as "simple theory". To my current knowledge, the two features that I have mentioned can be implemented in so-called fracture mechanical models.

2) To my current knowledge, an important prerequisite for the elimination of tensile stresses in an arch is the assumption that the distributed force is directed towards it, i.e. downwards from gravity forces. In the case of an opposite-directed force, i.e. lift forces arising from wind, the arch would actually experience great tensile stresses! So this could be added to the sentence, e.g. "...in spanning an open space, when the arch is carrying gravity or other downward-directed loads".

Keep up the good work. :-)

Wikieng08 (talk) 19:54, 8 September 2008 (UTC)[reply]