MASTER’S FIELD PROJECT
APRIL 2019
When reflecting on the work of our practice, the chamfered corner, is a recurring interest. This detail has developed over the years from our preoccupations with the Miesian re-entrant corner, the simplicity of a trabeated structure, and a desire to find ways of expressing a deep façade.
Simple chamfers in concrete and stone were employed in recent completed projects for Hampshire House and The Sultan Nazrin Shah Centre, Oxford. At the Master’s Field site in Oxford, currently under construction for Balliol College, a corbelled chamfered detail is incorporated in a load bearing façade. This project comprises eight student accommodation buildings and a pavilion arranged around a series of courtyards overlooking a cricket pitch.
A brick-clad chamfer at the corner between two windows is used throughout the accommodation buildings. This establishes a shifting perspectival relationship as one moves through the site, and gives all the buildings a common language. Corbelled brick and concrete lintels and mullions set up a trabeated structural rhythm which clearly defines each individual student bedroom and creates a delicate play of light and shadow across the façade. A series of finely detailed brick and concrete panels are layered within the depth of the window reveal, articulating a secondary rhythm which expresses the transition from solid to glazed elements.
The detail enables the depth and structure of the wall to be elegantly expressed, maximizing its presence when viewed externally and minimizing its presence internally. It also forms a generous threshold which provides privacy for students inside engrossed in their study. For moments of welcome distraction, the large picture windows frame uninterrupted views over the cricket pitch and across the campus.
The expression of a chamfered corner produces challenges in construction, particularly when expressed in precast concrete components clad in corbelled brickwork. When forming acute angles with orthogonal bricks, special consideration must be given to alignments and bonding. Interface details demand careful thought regarding sequencing and tolerances to achieve a symbiosis of structural performance with aesthetic ambition.
Externally, in the plan detail shown here, the apex of the chamfer is formed from stacked brick headers. This exposes three faces of each brick, limiting the choice of bricks, which are typically produced with only one finished stretcher face. Brick specials are required to form the chamfered corbel of the lintels, and grids are carefully set out to ensure alignment of vertical and horizontal corbelling. We looked to the meticulously detailed and crafted brickwork of Jensen-Klint’s masterpiece, Grundvig’s Church in Copenhagen, for expression of stepped vertical forms.
Internally, minimising the corner where the windows meet produces intricate challenges in the alignment of linings, blinds, reveals and fitted furniture. This complex resolution of constituent parts all work hard to achieve the aesthetic objective of the simple glazed chamfered corner.
Detail Key
1.Whitewashed ply bench 2. Aluminium window 3.Whitewashed plywood reveal 4.Plasterboard 5.Rigid insulation 6.Steel window fixing brackets 7.Metal pressing 8.Wind post 9.EPDM/ vapour barrier 10.Mineral wool insulation 11.Breather membrane 12.Steel restraint brackets 13.Corbelled brick faced precast concrete mullion 14.Flashing 15.Concrete cill 16.Concealed curtain track 17.Oak joist over 18.Concealed roller blind 19.Timber panels 20.Timber framed window 21.Prelaminated timber frame 22.Precast concrete mullion 23.Precast concrete coping over
CLAD IN A GARMENT OF POETIC IMAGERY
JANUARY 2014
The following text seeks to explore the communicative role of architecture, highlighting how the buildings of Louis Sullivan offer an antidote to the stoicism of the modern movement.
The reasons for the adoption of a muted architectural language in the beginning of the 20th century were numerous, but perhaps the inability of architecture to communicate can be traced back to a Critique of Judgement wherein Immanuel Kant called for true artists to ignore conventional rules governing popular taste as a means to preserve the integrity of the artist / genius in the landscape of an emerging aesthetically uneducated middle class. The restriction of this Kantian ideology can be clearly seen in the modern movement where the elimination of ornament in favour of purely functional structures was meant to appeal to our morality. We were meant to appreciate their honest expression but this simplified architectural rhetoric stripped architecture of its ability to express meaning beyond its function and reduced the ability of the architect to infer a narrative.
It is here I believe that the architecture of Louis Sullivan offers a counterpoint to the stoicism of the modern movement. Sullivan’s response to the modernist doctrine was not to abandon ornament but to heed the advice of Owen Jones and devise a new and contemporary ornamental vocabulary. The Guaranty Building represents the high point of Sullivan’s communicative architecture. The building presents a veiled ornamental screen of rich terracotta tiles which act to delineate the tripartite composition of the facades. The ornament at the base of the building reflects the connections of its veiled steel structure which support the vertical mullions above. The repetitive program on the upper floors are articulated by a rigid pattern of piers and ornate spandrels. Sullivan completes the composition by employing a concave cornice which absorbs the vertical mullions and acts to complete a flowing continuous organic architecture.
‘Our buildings thus clad in a garment of poetic imagery… will appeal with redoubled power, like a sonorous melody overlaid with harmonious voices’[1] . Although Sullivan never acknowledged the influence of Semper, the Garment analogy used by Sullivan is a clear reference to Semper’s theory of dressing and his insistence that the ‘archetypal origin of built form was textile production’[2]. It is also indicative of the ‘strong influence that German culture had on Chicago in the 19th century’[3].
Ornament was for Sullivan and Semper a demonstration of essential artistic and social motives, ‘being fundamental, the wreath was not only initial, it was also profoundly significant because it manifested the unity of the social body, the people themselves’ [4.
Sullivan’s Architecture represents an alternative modernism where function and ornament were not considered to be in opposition but could coexist to create a symbolic architecture which sought to communicate.
[1] Louis H Sullivan, Kindergarten Chats, Dover Publications Inc, 1980
[2] Kenneth Frampton, Studies in Tectonic Culture, The MIT Press, 1995
[3] Ibid.
[4] David Leatherbarrow, The Roots of Architectural Invention, Cambridge University Press, 1993
Images from John Szarkowski – ‘the idea of Louis Sullivan’ Thames & Hudson, 2000
Joseph Mackey holds a BArch degree from University College Dublin. Joseph won an Architecture Association of Ireland Student Award in 2006 and the Arup Architecture Graduates Medal in 2010. Between 2006 and 2012 he worked with the Renzo Piano Building Workshop in Paris, Tom dePaor in Dublin and Eric Parry Architects in London. Since joining Niall McLaughlin Architects in 2012 he has been working on a chapel for monks in Dublin, the repair and extension of the old Radcliffe Infirmary Outpatients Building in Oxford and the T1 Building for Argent in King’s Cross, London. The T1 Building is a large mixed use development containing a district energy centre, an indoor sports pitch, car parking, shops, bars and 80 apartments.