Lierne (vault)
Encyclopedia
A Lierne in Gothic
Gothic architecture
Gothic architecture is a style of architecture that flourished during the high and late medieval period. It evolved from Romanesque architecture and was succeeded by Renaissance architecture....

 rib vault
Rib vault
The intersection of two or three barrel vaults produces a rib vault or ribbed vault when they are edged with an armature of piped masonry often carved in decorative patterns; compare groin vault, an older form of vault construction...

ing is an architectural term for a tertiary rib spanning between two other ribs, instead of from a springer
Springer (architecture)
A springer is an architectural term for the lowest voussoir on each side of an arch. Since it is the bottom-most element of the arch, it is where the arch support terminates at the responds. It rests on the impost or pier of the arch, that is, the topmost part of the abutment, from which the arch...

, or to the central boss
Boss (architecture)
In architecture, a boss is a knob or protrusion of stone or wood.Bosses can often be found in the ceilings of buildings, particularly at the intersection of a vault. In Gothic architecture, such roof bosses are often intricately carved with foliage, heraldic devices or other decorations...

. The type of vault
Vault (architecture)
A Vault is an architectural term for an arched form used to provide a space with a ceiling or roof. The parts of a vault exert lateral thrust that require a counter resistance. When vaults are built underground, the ground gives all the resistance required...

 that utilizes liernes is called a lierne vault or stellar vault (named after the star shape generated by connecting liernes).

In England, the lierne came into use during the 14th century Decorated period. A good example of lierne vaulting is at Gloucester Cathedral
Gloucester Cathedral
Gloucester Cathedral, or the Cathedral Church of St Peter and the Holy and Indivisible Trinity, in Gloucester, England, stands in the north of the city near the river. It originated in 678 or 679 with the foundation of an abbey dedicated to Saint Peter .-Foundations:The foundations of the present...

. In France, examples can be seen in Flamboyant
Flamboyant
Flamboyant is the name given to a florid style of late Gothic architecture in vogue in France from the 14th to the early 16th century, a version of which spread to Spain and Portugal during the 15th century; the equivalent stylistic period in English architecture is called the Decorated Style, and...

 architecture, such as at Saint-Pierre, Caen
Caen
Caen is a commune in northwestern France. It is the prefecture of the Calvados department and the capital of the Basse-Normandie region. It is located inland from the English Channel....

.

The vault plan diagram of Ely Choir
Ely Cathedral
Ely Cathedral is the principal church of the Diocese of Ely, in Cambridgeshire, England, and is the seat of the Bishop of Ely and a suffragan bishop, the Bishop of Huntingdon...

 (right) shows the ribs as a double line, where the main longitudinal ridge rib (middle vertical lines) and transverse ridge ribs (alternate horizontal lines) intersect each other at the central bosses
Boss (architecture)
In architecture, a boss is a knob or protrusion of stone or wood.Bosses can often be found in the ceilings of buildings, particularly at the intersection of a vault. In Gothic architecture, such roof bosses are often intricately carved with foliage, heraldic devices or other decorations...

 (large circles). The longitudinal ridge rib runs down the centre of the Choir
Quire (architecture)
Architecturally, the choir is the area of a church or cathedral, usually in the western part of the chancel between the nave and the sanctuary . The choir is occasionally located in the eastern part of the nave...

, and the transverse ridge ribs span from the apex of each window at the sides of the Choir. Arched diagonal ribs span from piers between the windows, from springers to the central bosses
Boss (architecture)
In architecture, a boss is a knob or protrusion of stone or wood.Bosses can often be found in the ceilings of buildings, particularly at the intersection of a vault. In Gothic architecture, such roof bosses are often intricately carved with foliage, heraldic devices or other decorations...

, and arched transverse ribs (alternate horizontal lines) span from the springers to the main longitudinal ridge rib. Secondary arched diagonal ribs, called tiercerons, span from the springers to the transverse ridge ribs. Liernes (shaded black) span between the other ribs forming intricate patterning.

Note: In French terminology relating to architecture
Architecture
Architecture is both the process and product of planning, designing and construction. Architectural works, in the material form of buildings, are often perceived as cultural and political symbols and as works of art...

, a lierne is a ridge rib, and hence has a different meaning.
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