Movements in Buildings

CPD 7 2018: Movement joints in buildings and civil engineering structures
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Postmodernist compositions are rarely symmetric, balanced and orderly.

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Oblique buildings which tilt, lean, and seem about to fall over are common. The buildings of Mexican architect Luis Barragan offer bright sunlight colors that give life to the forms. Humor is a particular feature of many postmodern buildings, particularly in the United States. The gateway of the building is in the form of an enormous pair of binoculars; cars enter the garage passing under the binoculars.

The American critic Susan Sontag in defined camp as a style which put its accent on the texture, the surface, and style to the detriment of the content, which adored exaggeration, and things which were not what they seemed. Postmodern architecture sometimes used the same sense of theatricality, sense of the absurd and exaggeration of forms.

The aims of Postmodernism, which include solving the problems of Modernism, communicating meanings with ambiguity, and sensitivity for the building's context, are surprisingly unified for a period of buildings designed by architects who largely never collaborated with each other. These aims do, however, leave room for diverse implementations as can be illustrated by the variety of buildings created during the movement.

The characteristics of postmodernism allow its aim to be expressed in diverse ways.

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These characteristics include the use of sculptural forms, ornaments, anthropomorphism and materials which perform trompe l'oeil. These physical characteristics are combined with conceptual characteristics of meaning. These characteristics of meaning include pluralism, double coding , flying buttresses and high ceilings, irony and paradox , and contextualism. The sculptural forms, not necessarily organic , were created with much ardor. These can be seen in Hans Hollein 's Abteiberg Museum — The building is made up of several building units, all very different.

Each building's forms are nothing like the conforming rigid ones of Modernism. These forms are sculptural and are somewhat playful. These forms are not reduced to an absolute minimum; they are built and shaped for their own sake. The building units all fit together in a very organic way, which enhances the effect of the forms.

After many years of neglect, ornament returned. Frank Gehry 's Venice Beach house, built in , is littered with small ornamental details that would have been considered excessive and needless in Modernism. The Venice Beach House has an assembly of circular logs which exist mostly for decoration.

Affected Components and Measures to Accommodate Building Movements

The logs on top do have a minor purpose of holding up the window covers. However, the mere fact that they could have been replaced with a practically invisible nail, makes their exaggerated existence largely ornamental. The two obtruding triangular forms are largely ornamental. They exist for aesthetic or their own purpose. Postmodernism , with its sensitivity to the building's context, did not exclude the needs of humans from the building.

Carlo Scarpa 's Brion Cemetery —72 exemplifies this. The human requirements of a cemetery is that it possesses a solemn nature, yet it must not cause the visitor to become depressed. Scarpa's cemetery achieves the solemn mood with the dull gray colors of the walls and neatly defined forms, but the bright green grass prevents this from being too overwhelming. Postmodern buildings sometimes utilize trompe l'oeil , creating the illusion of space or depths where none actually exist, as has been done by painters since the Romans.

The Portland Building has pillars represented on the side of the building that to some extent appear to be real, yet they are not. Robert Venturi's Vanna Venturi House —64 illustrates the Postmodernist aim of communicating a meaning and the characteristic of symbolism. This is partly achieved through the use of symmetry and the arch over the entrance. Moore quotes architecturally elements of Italian renaissance and Roman Antiquity.

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However, he does so with a twist. The irony comes when it is noted that the pillars are covered with steel. It is also paradoxical in the way he quotes Italian antiquity far away from the original in New Orleans. Double coding meant the buildings convey many meanings simultaneously. The Sony Building in New York does this very well.

The building is a tall skyscraper which brings with it connotations of very modern technology. Yet, the top contradicts this. The top section conveys elements of classical antiquity. This double coding is a prevalent trait of Postmodernism. The characteristics of Postmodernism were rather unified given their diverse appearances.

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Soil data report. Movements to be accommodated. Imprint: Pergamon. Typically, excavating a 10m-deep basement would have the same effect as demoliting a storey building. Bottom-supported building envelopes supported at each level, transfer vertical and lateral loads to the primary structure at floor levels as line-loads. Excessive closing movements will result in the transfer of load through cladding elements not designed to sustain it; excessive opening movements could result in the weather tightness of transoms being compromised. Our clients range from Government Departments, major corporations, Regional Councils and private clients.

The most notable among their characteristics is their playfully extravagant forms and the humour of the meanings the buildings conveyed. Postmodern architecture as an international style — the first examples of which are generally cited as being from the s — but did not become a movement until the late s [25] and continues to influence present-day architecture. Postmodernity in architecture is said to be heralded by the return of "wit, ornament and reference" to architecture in response to the formalism of the International Style of modernism.

As with many cultural movements, some of Postmodernism's most pronounced and visible ideas can be seen in architecture. The functional and formalized shapes and spaces of the modernist style are replaced by diverse aesthetics : styles collide, form is adopted for its own sake, and new ways of viewing familiar styles and space abound.

Types of Building Movement

Perhaps most obviously, architects rediscovered past architectural ornament and forms which had been abstracted by the Modernist architects. This eclecticism is often combined with the use of non-orthogonal angles and unusual surfaces, most famously in the State Gallery of Stuttgart by James Stirling and the Piazza d'Italia by Charles Moore. The Scottish Parliament Building in Edinburgh has also been cited as being of postmodern vogue. Modernist architects may regard postmodern buildings as vulgar, associated with a populist ethic, and sharing the design elements of shopping malls , cluttered with " gew-gaws ".

Postmodern architects may regard many modern buildings as soulless and bland, overly simplistic and abstract. This contrast was exemplified in the juxtaposition of the "whites" against the "grays," in which the "whites" were seeking to continue or revive the modernist tradition of purism and clarity, while the "grays" were embracing a more multifaceted cultural vision, seen in Robert Venturi 's statement rejecting the "black or white" world view of modernism in favor of "black and white and sometimes gray.

One building form that typifies the explorations of Postmodernism is the traditional gable roof, in place of the iconic flat roof of modernism. Shedding water away from the center of the building, such a roof form always served a functional purpose in climates with rain and snow, and was a logical way to achieve larger spans with shorter structural members, but it was nevertheless relatively rare in Modernist buildings.

These were, after all, "machines for living," according to LeCorbusier, and machines did not usually have gabled roofs. However, Postmodernism's own modernist roots appear in some of the noteworthy examples of "reclaimed" roofs. For instance, Robert Venturi's Vanna Venturi House breaks the gable in the middle, denying the functionality of the form, and Philip Johnson's Fifth Avenue building in Manhattan not to be confused with Portland's Congress Center , once referred to by the same name advertises a mansard roof form as an obviously flat, false front.

A new trend became evident in the last quarter of the 20th century as some architects started to turn away from modern functionalism which they viewed as boring, and which some of the public considered unwelcoming and even unpleasant.

Types of Building Movement

These architects turned toward the past, quoting past aspects of various buildings and melding them together even sometimes in an inharmonious manner to create a new means of designing buildings. A vivid example of this new approach was that Postmodernism saw the comeback of columns and other elements of premodern designs, sometimes adapting classical Greek and Roman examples but not simply recreating them, as was done in neoclassical architecture.

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This chapter presents an introduction to the causes of movements in buildings. The basic causes of movements in buildings are the natural laws that govern the . This new edition has been extensively revised and expanded to include an additional chapter on dynamic movements in buildings, and new material concerning.

The revival of the column was an aesthetic , rather than a technological necessity. Modernist high-rise buildings had become in most instances monolithic , rejecting the concept of a stack of varied design elements for a single vocabulary from ground level to the top, in the most extreme cases even using a constant "footprint" with no tapering or "wedding cake" design , with the building sometimes even suggesting the possibility of a single metallic extrusion directly from the ground, mostly by eliminating visual horizontal elements—this was seen most strictly in Minoru Yamasaki 's World Trade Center buildings.

In Postmodern structures this was often achieved by placing contradictory quotes of previous building styles alongside each other, and even incorporating furniture stylistic references at a huge scale. Contextualism , a trend in thinking in the later parts of 20th century, influences the ideologies of the postmodern movement in general.

Contextualism is centered on the belief that all knowledge is "context-sensitive". This idea was even taken further to say that knowledge cannot be understood without considering its context. While noteworthy examples of modern architecture responded both subtly and directly to their physical context analyzed by Thomas Schumacher in "Contextualism: Urban Ideals and Deformations," and by Colin Rowe and Fred Koetter in Collage City [26] , postmodern architecture often addressed the context in terms of the materials, forms and details of the buildings around it—the cultural context.

The Postmodernist movement is often seen especially in the USA as an American movement, starting in America around the s—s and then spreading to Europe and the rest of the world, to remain right through to the present. Pevsner disapproved of these buildings for their self-expression and irrationalism, but he acknowledged them as "the legitimate style of the s and s" and defined their characteristics.

The job of defining Postmodernism was subsequently taken over by a younger generation who welcomed rather than rejected what they saw happening and, in the case of Robert Venturi , contributed to it. The aims of Postmodernism or Late-modernism begin with its reaction to Modernism ; it tries to address the limitations of its predecessor. The list of aims is extended to include communicating ideas with the public often in a then humorous or witty way.

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Often, the communication is done by quoting extensively from past architectural styles, often many at once. In breaking away from modernism, it also strives to produce buildings that are sensitive to the context within which they are built. Postmodernism has its origins in the perceived failure of Modern architecture. We generally do not favour expensive options such as underpinning, except in very occasional circumstances.

We generally find this type of work to be unnecessary. Having completed over investigations for the Queensland Building and Construction Commission formerly Builder's Registration Board and Queensland Building Services Authority , and up to 1, investigations in total, this firm has extensive experience having successfully stabilised or "controlled" the issues relating to practically all of the buildings investigated. Our "in-house" geotechnical, structural and surveying capabilities provide us with unique abilities to tackle most building movement investigations. Commercial and larger building movement evaluations included such clients as:.

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These solutions have generally involved minimal cost to the owner. Water is the principal agency effecting the decay of most structural materials, causing:. The battle against water can largely be won by giving the building a good roof; by ensuring that driving rain is thrown clear of the building by generous drips, throatings, over-sailing copings and bonnets; and by preventing rising damp either through a damp-proof course dpc or by ensuring that the ground is well drained. All crystalline materials stone, concrete and brick for example - see Table 2 expand and contract with changes in moisture-content and temperature.

Dealing with subsidence

The resultant strain must be accommodated by the structure, or permanent deformations and cracks will occur. If movement is cyclical, then such cracks may grow due to the 'ratchet' effect of debris in the cracks preventing full closure. In most structures in the UK the principal load bearing element is the masonry. Different types of masonry move at different rates, and sometimes in opposing directions Table 2.

This can give rise to differential movement and distortion see illustration of Herstmonceux Castle. Fortunately most walls constructed before were set in lime mortar, which can accommodate considerable amounts of movement without cracking due to creep continual strain under constant stress , whereas more modern walls require the frequent provision of movement-joints. Early medieval timber buildings had their main posts dug into the ground, but almost all buildings which still survive had sill beams resting on low masonry plinths.

Medieval masonry buildings had walls which were built straight into the ground without any attempt to disperse the load over a broad foundation: latterly the walls were sometimes stepped out, or 'corbelled', to provide a wider distribution of the load on the soil.

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In good ground, corbelling continued until the First World War, latterly with a shallow strip of concrete first cast into the trench, about mm below ground. In poor ground, short timber piles were sometimes driven before commencing the masonry.