Ajka Condominium

Budapest University of Technology and Economics

Idea projektu

My planning area is located on the site of the former Ajka Kristály glass factory in Ajka. During the planning process, we worked as a team to develop the site's development goals and implemented them through individual projects. Our team's concept is to reintegrate the site into the fabric of the city by infusing it with mixed functions, and to create a youth centre that can meet the needs of the local young and middle-aged population.
As part of this shared vision, I have designed a condominium with ground floor retail space. My three-block building aims to provide a level of comfort for three age groups at an affordable price:
- students who want more privacy than dorm life (middle block)
- recent graduates who want cheap rent in the heart of the city (N-NW block)
- young couples, even with children, who want to be active in the community at a reasonable rent (N-N block)
In the context of the university Complex 2 design subject, I developed the middle block, which mainly serves students.

Popis projektu

Ground floor: a café and a stationery shop are located on the ground floor, with internal access between the units. An external seating area is added to the café.
First floor: lower flats of the residential units are located here with access from within the residential unit, mechanical space and office space for rent with direct access from the staircase.
Second floor: internal upper floor flats accessed from the staircase via a semi-open walkway, with communal kitchen and laundry facilities at both ends opening onto the walkway, and office space for rent.
Third floor: modelled on the second floor, with an internal walkway to the fourth floor at the ends.
Fourth floor: similar to the first floor, with a common dining room on the left instead of a mechanical room.

The living units are designed as floors with an internal walkway, so that the main entrance and external walkway corridor are on only two floors, thus densifying the communal meeting points for the residents and promoting a sense of community spirit. My priority was to create as many meeting situations as possible.

The block contains a total of 16 3-bedroom residential units with an internal floor plan, accessible from the two walkways. The rooms are 12 m2 in size, with a common kitchen-dining room, washroom and toilet. The building is thus able to offer students a standard of living above the standard required for a dormitory at an affordable rent.

Technické informace

Field conditions:
The planning site is completely flat, with negligible differences in existing elevation.

Soil composition:
Previous soil mechanics studies have shown that backfill to a depth of 1.0-1.06 m has been previously placed on the site. During this period, a layer of grey silt to a depth of 2.6-5.0 m below the clayey, brick-rich fill, followed by a sandy silt loam layer, and below this a sandy gravel layer 4.0-6.0 m below ground level, was observed.

Load-bearing structures:
When choosing the structural frame for the building, the main consideration was to ensure that it could be constructed quickly and therefore economically. As the most expensive construction cost today is labour, the building's load-bearing structure, including load-bearing and partition walls, intermediate and end slabs, balcony slabs, stairs, lifts, opening bridges and beams, is built from precast reinforced concrete and concrete elements. Prefabricated structures function as in-situ reinforced concrete formwork, with no visible surface requiring any finishing work and can be painted immediately.

Foundations:
Foundation work is preceded by soil replacement under the building in accordance with structural requirements. In order to avoid uneven settlement due to the large building load and the quality of the subsoil, a slab-on-grade foundation 40 cm thick was chosen, with reinforced concrete ribs up to the frost line at the edges. From the slab base, the prefabricated bark panel is connected to the masonry by means of reinforcement. A minimum of 25 cm of compacted gravel bedding is required under the slab base, as well as a permeable formation around the structure. The foundation is sufficiently insulated against ground moisture. Drainage around the building should be ensured by the construction of an outwardly sloping waterproof structure to prevent leachate from reaching the foundation.
The foundation plane is -0,68 m below the building and the bottom plane of the frost protection ribs is -1,08 m.

Ascending support structure:
For all prefabricated elements, the manufacturer can also manufacture custom cross-sectional dimensions with individual pricing!

Crustal wall panel:
The panels can be up to 3m high and 8m long. The working of the wall panels together is achieved by the concrete pouring, the surface of the sides facing the inner core is sufficiently roughened to ensure proper adhesion between the precast crust and the on-site concrete core. The opening bridging can be made from bark panels according to the system information, with the openings, penetrations and boxing locations pre-cut out of the panels at the factory. Technical specification to be taken into account for design: EN 14992:2007+A1:2012.

Master panel slab:
The top end slab of the residential block is a non-walkable straight-ply slab roof on which solar panels will be installed. The slab overhang of the internal corridor of the rooms can be carried out according to the manufacturer's application data sheet: the prefabricated staircase is 90 cm wide and is delivered on a cantilevered load-bearing slab section. The slab of the corridors and staircase is made with a straight-ply, non-walkable slab roof over the unheated space.
The precast slab crust is 5 cm+15 cm of concrete=20 cm, 5+15=25 cm for the ground floor and end slab thickness. The maximum panel width is 2,40 m, the maximum wall span is 8,00 m, but with individual design it is possible to produce panels with a larger span (12,00 m).

Balcony plate:
For the construction of balconies, LEIER prefabricated balcony slabs are used, which have the same thickness and bottom plane as the slab. The slab and balcony slabs can be manufactured in a maximum design of 2.4x8 m, but LEIER can also manufacture custom elements. The thermal break element ISOKORB XT K is pre-installed in the factory. Drainage is by gravity drainage through a river. Fall-out protection is provided by full-surface glass panels and barrier elements running in front of them. A 12 cm gap between the glass panels and the lower top ventilation opening line will ensure heat and smoke dissipation by gravity in the event of fire.

Other supporting structures:
The columns, beams and stairs are all prefabricated.

Dokumentace

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