Project


 

Participant

Owner: Regie der Gebouwen
Architecture: Philippe SAMYN and PARTNERS, architects and engineers, Lead and design partner, Studio Valle Progettazioni.
Structural engineering: Philippe SAMYN and PARTNERS, architects and engineers, Lead and design partner, Ingenieursbureau Meijer, Buro Happold.
Services Engineers en building physics: Philippe Samyn ans Partners, architects and engineers, Lead and design partner, FTI, Buro Happold.

Relevant websites


Relevant publications

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General Information

Structural type: Floor
Function/Usage: Conference room
Environment: Urban
Built: 2008 to 2013
Status: In execution

Technical Information

Dimensions

Dimensions (elliptical)43.2 x 32.4m

Materials

TopSteel concrete composite slab
FrameworkSteel beams
BottomTruss structure with 5x5cm bars

Technical drawings

The building has 13 egg-shaped floors with a maximal span of 43.2m (level 7). Because of this large span, the floor is assumed to be sensitive to human induced vibrations. This comfort problem was taken into account during the design phase and a truss structure with 5x5 cm bars was added underneath the floor, causing a sti ffening e ffect.

Dynamic Properties

Inititial Model
Measurements
Calibrated Model

N

ƒj, init [Hz]

ξguides. [%]

MAC

Δ f [%]

N

ƒj, meas. [Hz]

ξmeas. [%]

N

ƒj, cal. [Hz]

ξmeas. [%]

MAC

Δ f [%]

1

4.58

3.00

0.95

-0.65

2

4.61

3.95

-

-

-

-

-

6

9.30

3.00

0.65

74.48

3

5.33

4.61

-

-

-

-

-

-

-

-

-

-

4

6.36

3.01

-

-

-

-

-

5

8.93

3.00

0.83

10.25

5

8.1

5.12

-

-

-

-

-

10

11.54

3.00

0.73

3.13

6

11.91

1.82

-

-

-

-

-

11

12.88

3.00

0.62

-5.01

7

13.56

1.84

-

-

-

-

-

18

14.86

3.00

0.62

-2.81

8

15.29

1.58

-

-

-

-

-

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Extra information