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- (敷き石用の)板石,敷き石
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2019/08/24 20:26:39」(JST)
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For other uses, see Flagstone (disambiguation).
Portage Park in Chicago is known for its flagstone decorations.
Flagstone (flag) is a generic flat stone, cut in regular rectangular or square shape and usually used for paving slabs or walkways, patios, flooring, fences and roofing. It may be used for memorials, headstones, facades and other construction. The name derives from Middle English flagge meaning turf, perhaps from Old Norse flaga meaning slab or chip.[1]
House on Westray, Orkney, with flagstone roof
Flagstone is a sedimentary rock that is split into layers along bedding planes. Flagstone is usually a form of a sandstone composed of feldspar and quartz and is arenaceous in grain size (0.16 mm – 2 mm in diameter). The material that binds flagstone is usually composed of silica, calcite, or iron oxide. The rock color usually comes from these cementing materials. Typical flagstone colors are red, blue, and buff, though exotic colors exist.
Flagstone is quarried in places with bedded sedimentary rocks with fissile bedding planes.
Flagstones of various sizes
Around the thirteenth century, the ceilings, walls and floors in European architecture became more ornate. Anglo-Saxons in particular used flagstones as flooring materials in the interior rooms of castles and other structures.[2]
Lindisfarne Castle in England and Muchalls Castle (14th century) in Scotland are among many examples of buildings with surviving flagstone floors.
Flagstone shingles are a traditional roofing material, a type of roof shingle commonly used in the Alps, where they are laid dry, often held in place with pegs or hooks. In the Aosta Valley, Italy, stone shingles are mandatory to cover buildings in historical areas.
See also
- Stone wall
- Step-stone bridge
- Patio
- Pavement
- Stonemason
References
- ^ Etymology of Flag
- ^ Williams, Henry Smith (1910). A history of science, Volume 9, p. 154. Harper Brothers, New York and London.
Stonemasonry |
|---|
| Types |
- Ashlar
- Rustication
- Carving
- Dry stone
- Letter cutting
- Masonry
- Monumental
- Rubble
- Sculpture
- Slipform
- Snecked
|
|---|
| Materials |
- List of stone
- Artificial stone
- Brick
- Cast stone
- Decorative stones
- Dimension stone
- Fieldstone
- Flagstone
- Gabion
- Granite
- Grout
- Marble
- Mortar
- Sandstone
- Slate
|
|---|
| Tools |
- Angle grinder
- Bush hammer
- Ceramic tile cutter
- Chisel
- Diamond blade
- Lewis (lifting appliance)
- Non-explosive demolition agents
- Plug and feather
- Stonemason's hammer
- Straightedge
|
|---|
| Techniques |
- Brickwork
- Flaming
- Flushwork
- Knapping
- Polygonal masonry
- Repointing
- Scabbling
- Tuckpointing
|
|---|
| Products |
- Castle
- Hardstone carving
- Headstone (Footstone)
- Mosaic
- Sculpture
- Stone wall
- Machicolation
|
|---|
| Organizations |
- International Union of Bricklayers and Allied Craftworkers
- Master of Work to the Crown of Scotland
- Mason Contractors Association of America
- Operative Plasterers' and Cement Masons' International Association
- Worshipful Company of Masons
|
|---|
English Journal
- A hybrid small-diameter tube fabricated from decellularized aortic intima-media and electrospun fiber for artificial small-diameter blood vessel.
- Wu P, Nakamura N, Morita H, Nam K, Fujisato T, Kimura T, Kishida A.
- Journal of biomedical materials research. Part A. 2019 May;107(5)1064-1070.
- Hybrid small-diameter tubes were fabricated by wrapping decellularized aortic intima-media sheets around a tubular stainless steel mandrel with diameter 4 mm, and then by coating with electrospun segmented polyurethane. The synthetic coat was deposited uniformly to a thickness of about 0.5-3.5 μm d
- PMID 30698329
- Differentiation of rat adipose-derived mesenchymal stem cells into corneal-like epithelial cells driven by PAX6.
- Sun J, Liu WH, Deng FM, Luo YH, Wen K, Zhang H, Liu HR, Wu J, Su BY, Liu YL.
- Experimental and therapeutic medicine. 2018 Feb;15(2)1424-1432.
- Corneal integrity, transparency and vision acuity are maintained by corneal epithelial cells (CECs), which are continuously renewed by corneal limbal stem cells (LSCs). Deficiency of CECs and/or LSCs is associated with numerous ocular diseases. Paired box (PAX)6 is an eye development-associated tran
- PMID 29434727
- Transdifferentiation of human MNNG/HOS osteosarcoma cells into vascular endothelial cells in vitro and in vivo.
- Wang X, Xu W, Wang S, Yu F, Feng J, Wang X, Zhang L, Lin J.
- Oncology reports. 2017 Nov;38(5)3153-3159.
- The transdifferentiation of cancer cells into other types of cells in several types of tissues or organs has been studied. However, whether human osteosarcoma MNNG/HOS cells can transdifferentiate into other types of cells has seldom been reported. Meanwhile, the mechanism of tumor angiogenesis is s
- PMID 29048647
Japanese Journal
- 岡本 兼佳
- 地理学評論 27(3), 96-107, 1954
- … A flagstone path leads from the dwelling house. …
- NAID 130003566665
Related Links
- flagstone 【名】 敷石 床や道路の舗装用の、石やコンクリート。 【同】flag ... - アルクがお届けする進化するオンライン英和・和英辞書データベース。一般的な単語や連語から、イディオム、専門用語、スラングまで幅広く収録。
- 世界大百科事典 第2版 - flagstoneの用語解説 - 安山岩，ケツ岩，チャートなどがある。英語のflagstoneに相当する。【矢橋 謙一郎】。 MENU コトバンク コトバンクはYahoo!辞書と技術提携しています。 flagstone 翻訳｜flagstone 世界大 ...
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