DK Ching Dump Flashcards
A building, such as a prison, hospital, or library, arranged so that all parts of the interior are visible from a single point.
Panopticon
A curved structure for spanning an opening designed to support a vertical load primarily by actual compression
Arch
An arch constructed of individual stone, or brick voussoirs
Masonry arch
Any of the wedge shaped units in a masonry, arch or vault, having side cuts converging at one of the arch centers
Voussoir
The wedge shaped stone, often embellished voussoirs at the crown of an arch serving to lock the voussoirs in place
Keystone
The exterior curve surface or boundary of the visible face of an arch
Extrados or back
A decorative molding or band on the face of the arch, following the curve of the intrados
Archivolt
The inner curve or surface of an arch forming the concave underside
Intrados
The triangular shaped sometimes ornamented area between the extrados of two adjoining arches, or between the left or right extrados of an arch and the rectangular framework surrounding it
Spandrel
The highest part or point of a convex construction, such as an arch, vault or roadway
Crown
Either side of an arch curving down from the crown to the impost
Haunch
The upper most part of an abutment often in the form of a block capital or molding from which an arch Springs
Impost
Any of the several concentric rings of masonry, forming an arch especially when each projects beyond the one below
Order
A cross piece, connecting the ribs in a centering
Lag
A temporary framework for supporting a masonry arch or vault during construction until the work can support itself
Centering
A board used as centering for a flat arch, slightly crowned to allow for settling of the arch
Camber piece
An archway having sides, or jambs, not at straight angles with the face of its abutments
Skew arch
The outward force, or pressure exerted by one part of a structure against another
Thrust
The part of a structure receiving, and supporting the thrust of an arch vault or strut
Abutment
An iron or steel rod, serving a structural tie, especially one, keeping the lower end of an arch or frame from spreading
Tie rod
An arch having the semicircular intrados
Roman arch
A primitive form of arch consisting of two stones laid diagonally to support each other over an opening
Triangular arch
A false arch constructed by corbeling courses from each side of an opening until they meet at a midpoint where a cap stone is laid to complete the work. The stepped reveals may be smoothed, but no arch action is effected.
Corbel arch
Around arch resting on two larger Corbels with curved faces
Bell arch