Triangular_arch

Triangular arch

Triangular arch

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In architecture, a triangular arch typically defines an arch where the intrados (inner surface of an arch) consists of two straight segments formed by two stone slabs leaning against each other.[1][2] In this roof-like[3] arrangement, mitre joint is usually used at the crown, thus the arch was in the past also called a mitre arch.[4] Brick builders would call triangular any arch with straight inclined sides.[5] Mayan corbel arches are also sometimes called triangular due to their shape.[6]

Triangular arch made of two stone slabs

Since the sides of a triangular arch are experiencing bending stress, it is a false arch[2] in a structural sense (historically preceding the invention of true arches[7] and going back to Neolithic times[8]). The design was common in Anglo-Saxon England until the late 11th century (St Mary Goslany).[1]

See also

References

  1. [1]
    Woodman & Bloom 2003, Triangular.
  2. [2]
    "triangular arch". The Oxford Dictionary of Architecture (4th ed.). Oxford University Press. 2021. ISBN 9780191918742.
  3. [3]
    Passmore, A.C. (1904). "Mitre arch". Handbook of Technical Terms Used in Architecture and Building and Their Allied Trades and Subjects. Scott, Greenwood, and Company. p. 228. Retrieved 2024-02-27.
  4. [4]
    "mitre arch". Oxford English Dictionary. 2023-07-01. Retrieved 2024-02-27.
  5. [5]
    Brick Industry Association] (January 1995). Brick Masonry Arches: Introduction (PDF). Technical Notes on Brick Construction. Brick Industry Association. p. 2.
  6. [6]
    Sturgis & Davis 2013, p. 121, Triangular Arch.
  7. [7]
    Nikolich 2020, p. 1862.
  8. [8]
    Harry S. Ashmore, ed. (1961). "Arch and Vault". The New Encyclopædia Britannica. Vol. 2 (14 ed.). Chicago: Sears. p. 262. OCLC 855170286.

Sources


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