Project


 

Participant

Owner: Project T&T
Architecture: CEPEZED & Philippe SAMYN and PARTNERS, architects and engineers.
Structural engineering: Philippe SAMYN and PARTNERS, architects and engineers, Ingenieursbureau Meijer.
Services Engineers en building physics: /

Relevant websites


Relevant publications

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General Information

Structural type: Stair
Function/Usage: Stairs
Environment: Circulation area
Built: 2013 to 2014
Status: Built

Technical Information

Dimensions

DataItem
Height module3.5 m
Height to platform1.75 m
Width platform4.19 m
Length module4.53 m

Materials

DataItem
StringerSteel
StepsSteel with concrete infill
PlatformSteel with concrete infill

Technical drawings

The construction consist essentially of steel tubular and U-shaped pro les which will be connected to each other by bolted connections. This steel half turn staircase consists of two flights of nine or ten steps each, connected by a cantilever landing and bolted to the concrete upper and lower floor. The U-shaped steps and the platforms between the floor levels contain a concrete infi ll. Glass panels will be provided between the handrails and the stringers.

FE model

     

Dynamic Properties

Inititial Model
Measurements
Calibrated Model

N

ƒj, init [Hz]

ξguides. [%]

MAC

Δ f [%]

N

ƒj, meas. [Hz]

ξmeas. [%]

N

ƒj, cal. [Hz]

ξcal. [%]

MAC

Δ f [%]

1

6.47

1

0.89

12.7

1

5.74

1.74

1

6.05

1.74

0.96

5.2

1

6.47

-

0.85

5.4

2

6.14

2.70

1

6.05

2.7

0.93

-1.6

2

9.51

1

0.76

9.7

3

8.67

2.12

2

9.91

2.12

0.85

14.3

-

-

-

-

-

4

11.27

2.65

-

-

-

-

-

3

13.65

1

0.78

5.9

5

12.89

1.99

3

12.62

1.99

0.77

-2.1

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Extra information

Vibration serviceability

Walking path during the simulations.

                                    

Maximal response factor R (blue bars) for each position on the staircase along the walking (1-24) path as calculated by moving load simulations for one person walking down- (left) or upstairs (right) at 1.9 Hz. Points 25-26 are situated at the corners of the cantilever landing for which also measurements were carried out (red dots) and a comparison with the loading positioned stationary at these locations (green dots). Also indicated are the suggested criteria by Bishop et al for light use and heavy use.

                                    

Maximal response factor R (blue bars) for each position on the staircase along the walking (1-24) path as calculated by moving load simulations for one person running down- (left) or upstairs (right) at 2.85 Hz. Points 25-26 are situated at the corners of the cantilever landing for which also measurements were carried out (red dots) and a comparison with the loading positioned stationary at these locations (green dots). Also indicated are the suggested criteria by Bishop et al for light use and heavy use.