Bc. Alena Javorská - Daegu Gosan Public Library

atelier: Ing.arch. Jiří Buček / Ing.arch. Filip Horatschke

Source
x-fatul
Publisher
Petr Šmídek
11.03.2013 05:55
BASIC DATA
name: Daegu Gosan Public Library
location: 571-1, Shinmae-dong, Suseong-gu, Daegu Metropolitan City, Republic of Korea
land area: 2080 m²
floors: 2 basement levels, 5 above ground
building program: 4345 m²

ASSIGNMENT
The work is assigned in the sense of the announced international architectural competition for the design of a new municipal library in Daegu, Korea. The new library with the specified building program is to become an informational, social, and cultural center for this urban area.

LAND PLOT
The land is located in the Gosan district of the Suseong-gu administrative area, which is the easternmost part of the metropolitan city of Daegu, Korea. Suseong-gu is a residential area with plenty of greenery. The site is situated close to residential blocks between two subway stations, which are a 10-minute walk away. It is an area with a very heterogeneous development profile ranging from single-story to 15-story buildings. The trapezoidal plot is flat and accessible from all sides. The northern boundary of the plot is lined with a park near a bus stop, while the remaining borders are defined by roadways. The longitudinal axis of the plot is oriented in a north-south direction.

URBAN DESIGN
The main intention of the design is to create a building that will define a new public space – open and accessible to all, cultivating and revitalizing its surroundings, inviting passersby to visit. A rectangular building with a footprint of 22 x 42 m is proposed for the site, with its long sides parallel to the eastern boundary of the plot. This positioning has created an outdoor living area in the shape of a triangle, which serves for relaxation and opens up a view of the library's western facade for pedestrians coming from the park. The main entrance is situated from the north, at the point of connection to the park, where the largest influx of visitors is expected. To ensure a smooth transition “from the city to the library,” without the need to bypass the library, the ground floor is mostly freely traversable, and another entrance is planned from the east and two from the south – one through the café and one via the staircase to the first floor.

ARCHITECTURAL DESIGN
The proposed building is conceived as a solid, shapely, and simple cube, behind whose outer shell a rich inner world takes place. The mass responds to the surrounding heterogeneous development with its block-like form, not dominating over the surrounding low-rise buildings. The library is cloaked in a veil of stainless steel fabric, which creates a hazy exterior whose appearance and permeability change with various distances and reflections of sunlight. The steel fabric becomes an architectural skin that protects and “blurs” the boundary of the building's mass.

The library is intended to signify accessibility and stimulate curiosity, drawing from the public space into the adventure of its inner depths. The dominant spatial element of the interior is the “colored ribbon” of the monolithic staircase passing through the atrium from the ground floor to the third floor of reading rooms, along which visitors will ascend to the books. The entrance hall, with an area for periodicals connected to the café, an audiovisual gallery, and a multipurpose hall on the floor above, creates a lively part of the library. In contrast, the reading room with free selection, which should provide visitors with a quiet and comfortable space to read – is a world of its own.

The basic materials applied in the architectural solution are concrete, glass, and stainless steel fabric. The fabric is chosen as an architectural expressive element – fulfilling the need for optical lightness and transparency.

OPERATIONAL AND SPATIAL SOLUTION

The basic concept of the library's operation is the natural and free movement of visitors, both optical and spatial transparency, and operational flexibility. The ground floor is dedicated to the library's public operations, the second floor contains a multi-purpose hall and administrative support, the third floor includes free selection with reading rooms, and the top floor features a quiet study room with classrooms. The basement houses a large multipurpose hall, storage areas, and technical facilities.

STRUCTURAL SOLUTION
In principle, the structural design is resolved as a steel frame and monolithic reinforced concrete. The foundation structures are designed as a slab. The vertical structures of the building are proposed as a combination of a load-bearing wall system (reinforced concrete core), load-bearing columns, and trusses, which use ties to support the cantilevers of the two lower levels. The horizontal structures are formed with a voided slab system, cobiax. The outer layer of the shell consists of a façade made of metallic fabric, formed of special stainless steel rings for a “seamless” cladding of the building's mass.
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