WordNet
- expandable metal or wooden wedge used by printers to lock up a form within a chase (同)coign, coigne
- the keystone of an arch (同)coign, coigne
PrepTutorEJDIC
- (建物の外壁の)かど;(そのかどを造る)すみ石 / くさび石 / くさび;くさび型の物
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/09/06 01:03:13」(JST)
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This article is about the architectural technique. For other uses, see Quoin (disambiguation).
Quoining on the corners of Palazzo Aragona Gonzaga, Rome.
Rustic quoins, keystone with man profile, main entrance Palazzo Giusti, Verona
The near corner pictured of the Church of St. Mary, Fetcham demonstrates the alternate horizontal quoining technique.
Quoins ( or ) are masonry blocks at the corner of a wall.[1] They exist in some cases to provide actual strength for a wall made with inferior stone or rubble[2] and in other cases to make a feature of a corner,[3] creating an impression of permanence and strength, and reinforcing the onlooker’s sense of a structure’s presence.[4]
Stone quoins are used on stone or brick buildings. Brick quoins may appear on brick buildings that extrude from the facing brickwork in such a way as to give the appearance of uniformly cut blocks of stone larger than the bricks. Where quoins are used for decoration and not for load-bearing, they may be made from a wider variety of materials beyond brick, stone or concrete, extending to timber, cement render or other stucco.
Contents
- 1 Techniques
- 1.1 Uniform ashlar blocks
- 1.2 Alternate cornerstones
- 1.3 Long and short (vertical)
- 2 References
- 3 External links
Techniques
Uniform ashlar blocks
In a traditional, often decorative use, large exactly cuboid ashlar stone blocks or replicas are only used on the corners with their longest sides horizontally: the longest sides are laid to be on one wall plane then the other that the corner forms (course after course). This forms a long-side, short-side alternate pattern, which by using the same size blocks alternates when the viewer passes the corner. This can be called the alternate, horizontal quoining technique.
Alternate cornerstones
A large and small cornerstones technique can be used, and in this technique it is not uncommon for the alternate courses to be of different thickness, with typically the larger cornerstones thinner than the smaller cornerstones.
Long and short (vertical)
The long and short quoining method instead places long stone blocks with their lengths oriented vertically, between smaller ones that are laid flat. This load bearing quoining is common in Anglo-Saxon buildings such as that of St Bene't's Church in Cambridge, England.
References
- ^ Rankine, William J. M. (1862). A Manual of Civil Engineering. Griffin, Bohn, and Co. p. 385.
- ^ Charles F.Mitchell. Building Construction. Part 1. First Stage or Elementary Course. Second Edition—Revised. Published by B.T. Batsford, 52 High Holborn. 1889. Page 48.
- ^ "Definitions for: Quoin". Retrieved 12 May 2014.
- ^ Encyclopaedia Perthensis. 576: John Brown. 1816.
External links
- Chisholm, Hugh, ed. (1911). "Quoins". Encyclopædia Britannica. 22 (11th ed.). Cambridge University Press.
English Journal
- Patterns of coccidial prevalence in lizards of Mauritius.
- Leinwand I1, Kilpatrick AM, Cole N, Jones CG, Daszak P.
- The Journal of parasitology.J Parasitol.2005 Oct;91(5):1103-8.
- This paper reports prevalence of coccidial oocysts in fecal samples from 6 endemic and 2 introduced lizard species on Mauritius, an island nation in the Indian Ocean. Total coccidian prevalence was 54% (n = 341) for the endemic 'ornate day gecko,' Phelsuma ornata; 48% (n = 159) for the endemic 'Durr
- PMID 16419754
Japanese Journal
- マッドクラスト礫岩 : ニュージーランド南島ケープルス帯トリアス-ジュラ系中の例
- 前島 渉 [他],田中 淳,Coombs Douglas S.,Landis Chack A.,波田 重煕,吉倉 紳一,鈴木 盛久
- 地球科學 46(2), 105-112, 1992-03-25
- … Mudclast conglomerates (intraformational conglomerates including abundant mudstone intraclasts) in the Triassic-Jurassic Chrystalls Beach Complex at Quoin Point, southwest of Dunedin, New Zealand, form, together with upper thin-bedded turbidites, thinning- and fining-upward sequences on the order of 100 m thick. …
- NAID 110007092727
Related Links
- Quoin Consulting is a quantity surveying, contract administration and Project Controls company in Africa and Zimbabwe. Quoin Consulting is quantity surveyors and construction cost management in the Mining, Engineering, Energy ...
- quoinとは。意味や和訳。[名]1 （壁・へいなどの）外角；（部屋の）すみ(corner)；すみ石(coin)；角れんが.2 くさび形の石[木材]；《印刷》（版面の）締め木. [動](他)1 …にすみ石を置く.2 …をくさびで締める. - goo辞書は国語 ...
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