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Serviceability limit state - Eurocodes

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Vibration – Example vertical vibration due<br />

to walking persons<br />

G. Hanswille<br />

Univ.-Prof. Dr.-Ing.<br />

Institute for Steel and<br />

Composite Structures<br />

University of Wuppertal-Germany<br />

Span length<br />

F(x,t)<br />

The pacing rate f s<br />

dominates the dynamic<br />

effects and the resulting dynamic loads. The<br />

speed of pedestrian propagation v s<br />

is a<br />

function of the pacing rate f s<br />

and the stride<br />

length l s<br />

.<br />

F(x,t)<br />

time t<br />

l s<br />

x k<br />

pacing<br />

rate<br />

f s<br />

[Hz]<br />

forward<br />

speed<br />

v s<br />

= f s<br />

l s<br />

[m/s]<br />

stride<br />

length<br />

l s<br />

[m]<br />

slow walk ∼1,7 1,1 0,6<br />

t k<br />

normal walk ∼2,0 1,5 0,75<br />

fast walk ∼2,3 2,2 1,00<br />

l s<br />

x k<br />

t s<br />

x<br />

slow running<br />

(jog)<br />

fast running<br />

(sprint)<br />

∼2,5 3,3 1,30<br />

> 3,2 5,5 1,75<br />

63

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