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their specific architectural style, technology, chronology, geographical location or use. For example, a cursory formal analysis of the townhouse will identify the following "minimum essential formal characteristics." In contrast with single family homes that share no walls with adjacent buildings, the townhouse, or rowhouse, shares both party walls (save the corner lot) with its neighbors. While many variations of this formal type are found around the world, each the product of their local environment (color, material, height, fenestration, etc), they nonetheless share the qualities that individual units are placed side-by-side, between two and five stories, with narrow fronts on deep lots, accessed via separate entrances that are setback minimally from the street.
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Architects know the approximate dimensions, bulk, site placement, and internal circulation that dictates most types. This allows them to work quickly to determine the parts of the design problem which are unique: material, orientation, structure, specific dimensions, entrance, and so on. One school of thought in Italy, started by
Saverio Muratori, recognizes the importance of typology in providing continuity in the city. These architects have been influential in recognizing the role of type for modern architecture, where the newest buildings are encouraged to actively assimilate many typological characteristics, without imitating historical styles.
98:, a huge, handsome book that reproduced plans, elevations and sections of historic buildings at the same scale. He categorized them by formal types, so that their basic similarities could be recognized. Durand followed up with a second book that manipulated and reconfigured the classical elements of architecture—columns, walls, etc.—to adapt them to new, emerging uses. Durand's system, a language of architecture, demonstrated one essential characteristic of types: a way of designing that was neither entirely free of constraint nor overly prescribed.
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commonly found on corner lots in many cities are distinct from the smaller houses that were built later in between them, even though both are types of "single family home." Anyone can identify types simply by observing the common buildings in a place. Architectural and urban designers document types more thoroughly by measuring them, dating them, noting similar changes to the type that arise over time, and identifying their recurring locations in the city.
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traits may be considered superfluous to a formal building type, style and form are nonetheless related since the conditions (political, economic, technological) that give rise to stylistic traits also enable or encourage certain forms to be expressed. In all three cases the typology serves as a framework for understanding the essential qualities of buildings on conceptually equal footing, apart from their individual, contingent characteristics.
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have changed. Anne Moudon documents changes in the types of an Alamo Square neighborhood to tell a kind architectural, cultural and economic history. She also identifies the block, lot and street pattern as key to typological continuity. Multiple studies using this method have identified important building types, for example
Chinese
90:), to 19th century train stations. The fact that these forms are very similar and are derived from each other is an important way of understanding typology: types are evolved over time and therefore can convey a sense of history or cultural continuity. The idea of building types as formal configurations was enhanced by
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Historians, anthropologists, and architectural historians use the documentation of type as a key to other characteristics in a city, for example, events, political control, or economic changes. As theory tells us, when a type evolves over some time, this is an indication that conditions in the city
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This procedure can be applied to most buildings. For example, several residential types exist in the US, such as garden apartments, townhouses, and high-rise housing. Each of these may have many subtypes. The brownstones in Harlem are different from the rowhouses in
Brooklyn. And the large mansions
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Documenting a formal building type is similar to any typological process insofar as the aim is to identify the minimum number of characteristics which make that type distinct. In a formal typology, building types are usually distinguished by their basic shape, site placement, and scale, but not by
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Building types are critical to architects because they are a starting point for designing. One need not reinvent the form if a common building type, say an office building, is wanted. Most architects develop a sense of common building types over time, even without acknowledging their importance.
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refers to building and documenting buildings according to their essential characteristics. In architectural discourse, typological classification tends to focus on building function (use), building form, or architectural style. A functional typology collects buildings into groups such as houses,
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Common types are the building blocks of the city. Usually, a neighborhood streets and lots are laid out so that the common type can be built there. This occurs today in suburban subdivisions, but it has been a pattern in history, as well. This combination of types, streets and lots is called an
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The three typological practices are interlinked. Namely, each functional type consists of many formal types. For example, the residential functional type may be split into formal categories such as the high rise tower, single family home, duplex, or townhouse. Similarly, while certain stylistic
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Autonomous building types arose partly from the general
Enlightenment predilection for categorization, a prelude to scientific discovery. At first types were intended as ideal models, which could be variously copied. In this sense types were commonly used forms (a
194:, or a plan unit. When studying a city, a designer identifies the common tissue patterns in place and may decide to link to them, imitate them, or otherwise recognize them as an historical artifact. A movement of urban theorists and practitioners in the US,
198:, has identified building typology as a key to defining more user-friendly places. In trying to preserve neighborhoods or building new ones, building types once again become the building blocks of the city, and may be codified in law as
181:. While Alexander does not focus on classifying complete buildings by type, he instead breaks down buildings into their components and then classifies those components by their essential qualities, which he calls "patterns."
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hospitals, schools, shopping centers, etc. A formal typology groups buildings according to their shape, scale, and site placement, etc. (Formal building typology is also sometimes referred to as morphology
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and identifies building types by their expressive traits, e.g. Doric, Ionic, Corinthian (subtypes of classical), baroque, rococo, gothic, arts and crafts, international, post-modern, etc.
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Buildings in Back Bay constitute one or two very common building types of the period. Note that the materials and styles can be very different on the same types.
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buildings in France, and the atrium houses found in many hot climates. Atrium types are also important for mosques, shopping malls, and some
281:"Taxonomie et typologie : est-ce vraiment des synonymes ? [Taxonomy and typology: are they really synonymous?]"
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A common type in Asia is the "shophouse" which has an open shop on the ground floor and rooms above for living.
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Houses along the canal in Delft are a type common just to this area.
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The
Evolution of Urban Form: Typology for planners and architects
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Recueil et paralle des edifices de tout genre anciens et modern
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Precise of the lectures on architecture, with graphic portion
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Built for change: neighborhood architecture in San
Francisco
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J.N.L. Durand (1760-1834): Art and science of architecture
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A unique example of formal typological classification is
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Alnwick, Northumberland: a Study in Town-Plan
Analysis
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340:Caniggia, Gianfranco; Maffei, Gianluigi (2001).
342:Architectural Composition and Building Typology
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32:.) Lastly, a stylistic typology borrows from
395:. London: Institute of British Geographers.
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380:. Cambridge, Massachusetts: MIT Press.
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234:Durand, Jean-Nicolas-Louis (1799).
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268:. New York: Rizzoli International.
102:Documenting a Formal Building Type
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279:Borges Da Silva, Roxane (2013).
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144:Application to Building Design
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50:list of building types by use
376:Moudon, Anne Vernez (1986).
221:The Architecture of the City
62:list of architectural styles
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185:Application to Urban Design
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322:The Urban Housing Handbook
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362:. Chicago, IL: APA Books.
324:. Chichester, UK: Wiley.
264:Villari, Sergio (1990).
413:Architectural education
391:Conzen, M.R.G. (1960).
358:Scheer, Brenda (2010).
86:to early church forms (
249:Durand, J.N.L (1802).
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115:Application to History
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320:Firley, Eric (2009).
298:10.3917/spub.135.0633
179:Christopher Alexander
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219:Rossi, Aldo (1979).
169:"A Pattern Language"
88:St. Peter's Basilica
44:Functional Typology
175:A Pattern Language
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132:in Great Britain,
56:Stylistic Typology
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34:art history
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122:shophouses
84:Roman fora
344:. Alinea.
134:Courtyard
128:housing,
407:Category
307:24418426
126:Shikumen
80:basilica
73:History
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138:hotels
60:See a
48:See a
303:PMID
293:doi
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