In architecture, intercolumniation is the proportional spacing between columns in a colonnade, often expressed as a multiple of the column diameter as measured at the bottom of the shaft.[1] In Classical, Renaissance, and Baroque architecture, intercolumniation was determined by a system described by the first-centuryย BC Roman architect Vitruvius (Vitruvius, De architectura, iii.3.3-10).[2]
Vitruvius named five systems of intercolumniation (Pycnostyle, Systyle, Eustyle, Diastyle, and Araeostyle), and warned that when columns are placed three column-diameters or more apart, stone architraves break.[3]
According to Vitruvius, the Hellenistic architect Hermogenes (ca. 200 BC) formulated these proportions ("symmetriae") and perfected the Eustyle arrangement, which has an enlarged bay in the center of the faรงade.[4]
Standard intercolumniations
editThe standard intercolumniations are:[5]
- Pycnostyle
- One and a half diameters
- Systyle
- Two diameters
- Eustyle
- Two and a quarter diameters (and three diameters between middle columns front and rear); considered by Vitruvius to be the best proportion. [6]
- Diastyle
- Three diameters
- Araeostyle
- Four or more diameters, requiring a wooden architrave rather than one of stone[7]
- Araeosystyle
- Alternating araeostyle and systyle
Vitruvius's definitions seem to apply only to examples with which he was acquainted in Rome, or to Greek temples described by authors he had studied. In the earlier Doric temples the intercolumniation is sometimes less than one diameter, and it increases gradually as the style developed; thus in the Parthenon it is 1โ 1/4โ , in the Temple of Diana Propylaea at Eleusis, 1โ 1/4โ ; and in the portico at Delos, 2โ 1/2โ .
The intercolumniations of the columns of the Ionic order are greater, averaging 2 diameters, but then the relative proportion of height to diameter in the column has to be taken into account, as also the width of the peristyle.
Thus in the temple of Apollo Branchidae, where the columns are slender and over 10 diameters in height, the intercolumniation is 1โ 3/4โ , notwithstanding its late date, and in the Temple of Apollo Smintheus in Asia Minor, in which the peristyle is pseudodipteral, or double width, the intercolumniation is just over 1โ 1/2โ . Temples of the Corinthian order follow the proportions of those of the Ionic order.[7]
See also
editReferences
edit- ^ "Intercolumniation". The Columbia Encyclopedia, sixth edition. Columbia University Press. Archived from the original on 2007-06-21. Retrieved 2007-06-03.
- ^ "Intercolumniation". Encyclopรฆdia Britannica. Encyclopรฆdia Britannica Online. Retrieved 2007-06-03.
- ^ Vitruvius, De architectura iii.3.4
- ^ Vitruvius, De architectura, iii.3.8
- ^ "Intercolumniation". Webster's Dictionary, 1913. Archived from the original on 2007-01-13. Retrieved 2007-06-03.
- ^ Vitruvius, De architectura, iii.3.6.
- ^ a b One or more of the preceding sentencesย incorporates text from a publication now in the public domain:ย Chisholm, Hugh, ed. (1911). "Intercolumniation". Encyclopรฆdia Britannica. Vol.ย 14 (11thย ed.). Cambridge University Press. pp.ย 683โ684.
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