Portsoken Pavilion, a sculptural monocoque structure by Make Architects, has been unveiled as part of the City of London Corporation’s transformation of a former gyratory into a high-quality public space.
▼如雕刻般的硬壳结构，a sculptural monocoque structure
The pavilion, as a café and multifunctional community space, delivers a public amenity as well as improving the connection between the two distinctive listed heritage buildings that sit either side of the new square.
This latest pavilion picks up on the asymmetrical angles of the City of London Information Centre with an angular structure that folds down to meet the ground at just three triangular support points, with glazing in between. Corten cladding panels form a rigid structural skin covering the pavilion and create a faceted surface that reduces the overall profile of the pavilion and provides its character.
▼考虑到了伦敦金融城信息中心的不对称角度，采用折叠角形结构，the pavilion picks up on the asymmetrical angles of the City of London Information Centre
The warm tones of the weathered steel chime with the brown brick of the Grade I-listed church and the red brick Grade II-listed primary school. Over time the steel will darken and provide an earthy, complementary counterpoint.
▼耐候钢材的暖色调与作为一级保护建筑的教堂的棕色砖一致，he warm tones of the weathered steel chime with the brown brick of the Grade I-listed church
公共休息亭采用参数化设计，而考虑到新广场的人行道，其形式也是精心设计的。因此，公共休息亭没有背面这一说，三个玻璃立面分别朝向西北方向的Duke酒店，东北方向的Houndsditch和St. Botolph街，以及南向的新广场和Aldgate High街。这些立面为结构，自然监控，以及休息亭四周的入口提供了清晰的视野。
Designed parametrically, the pavilion’s form has been carefully designed with respect to key pedestrian approaches to the new square. As such, it has no backside, and its three glazed elevations face Duke’s Place to the north-west, Houndsditch and St Botolph Street to the north-east, and the new square and Aldgate High Street to the south. These elevations provide clear views into and through the structure and deliver natural surveillance, as well as entrances into the pavilion on all sides.
Internally the bands of the cladding are mimicked on the soffit, with layered geometric white laminate timber panels, which have punched slots to aid the acoustics and add drama when up-lit at night, providing a glowing effect to the whole building. Outside, the roof overhangs the glazed doors on all sides to allow seating to spill out and provide a seamless transition between inside and outside. It is designed to be as flexible as possible and become a real hub for the community—a space that could work as a café, for exhibitions, for community meetings.
The 325 sqm building is a single storey above-ground but has utilised part of the former subways to accommodate a basement level for plant, back-of-house facilities, kitchens and toilets, this has significantly reduced the quantity of land that was needed above ground and therefore delivered more public space for the gardens.The constant temperature of the concrete tunnels also works to help regulate the temperature of the building; air is drawn through the tunnels and up into the café, heating in the winter or cooling in the summer. The large overhangs on the roof were also attuned to the orientation of the sun and provide solar shading to the interior at peak times of the day.
▼屋顶的悬臂结构与太阳方向相协调，在阳光最强烈的时候为内部空间遮阳，The large overhangs on the roof were also attuned to the orientation of the sun and provide solar shading to the interior at peak times of the day.
The entire structure was prefabricated off-site and then taken apart and allowed to rust. It was brought into site in pieces and reassembled and welded in situ. After the structure was in place and all the on-site structural welds complete, the underside of the steelwork that would form the internal space was sprayed with 150 mm of insulation to minimise heat loss and remove the possibility of condensation forming on the internal face of the steelwork.