Compound pierorcluster pier is the architectural term given to a clustered columnorpier which consists of a centre mass or newel, to which engaged or semi-detached shafts have been attached, in order to perform (or to suggest the performance of) certain definite structural objects, such as to carry arches of additional orders, or to support the transverse or diagonal ribs of a vault, or the tie-beam of an important roof. In these cases, though performing different functions, the drums of the pier are often cut out of one stone. There are, however, cases where the shafts are detached from the pier and coupled to it by annulets at regular heights, as in the Early English period.[1]
Apilier cantonné is one type of compound pier. Compound piers can often be found in Romanesque cathedrals.[citation needed]
A pilier cantonné is a type of compound pier commonly associated with High Gothic architecture. First used in the construction of the Chartres Cathedral, the pilier cantonné has four colonettes attached to a large central core that support the arcade, aisle vaults and nave-vaulting responds.[citation needed]
One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Compound Pier". Encyclopædia Britannica. Vol. 6 (11th ed.). Cambridge University Press. p. 813.
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