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Project | Educatorium
Location | University of Utrecht, the Netherlands
Architects | OMA, Rem Koolhaas, Christophe Cornubert,
Richard Eelman, Michael Melenhorst, Jacques Vink,
& Gaudi Hoedaya
Area | 110,000 sf
Completion | 1998
N
Site Plan | See Above
Concept | Two pieces of paper which fold and connect to each other. the plane is both internal and external.
Eastern Elevation | no scaleNorth Elevation | scale
auditoria
examination
entry
The Examination Area cantilevers and is suspended by large beams on the roof.
Columns in this area do not go to the concrete slab below. Floor plates have Vierendeel girders which carry the load.
East-end Structural System
cafeteria
15’-0”
North Elevation | scale
auditoria
cafeteria
examination
entry
Auditoria side of the building. Concrete sheet is meant to curve and span 25 meters, yet maintain a 20 cm thickness. This truss system helps to sup-port the concrete.
West-end Structural System
15’-0”
Section through auditorium | scale
Within the space of the auditorium, OMA wanted to maintain the 20 cm thickness of the concrete. The span of the ceiling however, was problematic.
West-end Auditorium
Upper & lower pressure zones are established within the concrete. Lower pressure zones are in tension.
The longer the span, the thicker the concrete needs to be & the need for steel reinforcement arises.
Concrete in tension serves no structural purpose. Thus, OMA resolved to remove this unnecessary zone. This main-tains the strength, span, and desired material thickness.
15’-0”
Approximation of building foundation.
Ground Floor Axonometric | no scale
First Floor Axonometric | no scale
The columns in the cafeteria area decrease in quantity as you move towards the North. It appears that there are only two columns supporting the floor above at this end. However, the two columns create a hybrid truss with the slanted floor plane. The lower end of the truss is within the floor slab.
Deformation of the space is created by this changing density of columns.
N
Throughout the building, the Northern end is treated openly while the Southern end is treated in a more closed manner. This is expressed through materials as well and levels of opacity and translucence.
open sitting area
glazing
mixture of solid materials
ramp
auditorium
auditorium
cafeteria
entry
kitchen
kitchen
bike parking
Third Floor Axonometric | no scale
Second Floor Axonometric | no scale
roof garden
West End Section Detail | no scale
Truss Detail | no scale
Pin Joint
glass perpendicular to exterior glazing
Exterior Glazing Section & Details | no scale
West Facade | showing perpendicular panes
North Facade | showing glazing system
West
- Maintaining the integrity of the concrete sheet - Keeping the 20 cm thickness
- Concrete must remain continuous
- Has a constructive high point in the auditorium
East
- Regular in form - Examination/testing block is more rigorous
- Typical steel frame with prefab. flooring
- Concrete sheet works as a connector between this side and the West side to bring the two separate systems together.
North
- Maintaining openness - Use of materials to express this openness
- Use of less obvious structure to express openness
Southern Side
- A more closed off environment - Use of materials to express this
- Use of more structural columns to close space more
Southside Stairs
West Side
Exterior - 1st Floor
Exterior - Southeast
First Floor Plan | no scale
Ground Floor Plan | no scale
Second Floor Plan | no scale
Third Floor Plan & Roof Garden | no scale
Works Cited |
1. Kenchiku Bunka, 1998, March. Vol. 205, pp. 50-53
2. Domus, 1998, January. Vol. 800, pp. 42-47
3. Arch Plus (+), 1998, July. Vol. 142, pp. 13-15
4. Croquis, 1998. Vol. 88-89, pp. 64
5. A+U, 1998, Sept. Vol. 9, pp. 24
6. Abitare, 1998, December. Vol. 379, pp. 104
7. GA Document, 1997, December. Vol. 53, pp. 8-35
8. www.galinsky.com/buildings/educatorium/