Serviceability limit state - Eurocodes
Serviceability limit state - Eurocodes
Serviceability limit state - Eurocodes
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Limitation of Stresses<br />
G. Hanswille<br />
Univ.-Prof. Dr.-Ing.<br />
Institute for Steel and<br />
Composite Structures<br />
University of Wuppertal-Germany<br />
σ c<br />
- +<br />
σ a<br />
+<br />
σ s<br />
M Ed<br />
M Ed<br />
Stress <strong>limit</strong>ation is not required for beams if<br />
in the ultimate <strong>limit</strong> <strong>state</strong>,<br />
- no + verification of fatigue is required and<br />
- no prestressing by tendons and /or<br />
- - no prestressing by controlled imposed<br />
deformations is provided.<br />
σ a<br />
-<br />
combination stress <strong>limit</strong> recommended<br />
values k i<br />
structural steel characteristic σ Ed<br />
≤ k a<br />
f yk<br />
k a<br />
=1,00<br />
headed studs characteristic P Ed<br />
≤ k s<br />
P Rd<br />
k s<br />
=0,75<br />
reinforcement characteristic σ Ed<br />
≤ k s<br />
f sk<br />
k s<br />
=0,80<br />
concrete characteristic σ Ed<br />
≤ k c<br />
f ck<br />
k c<br />
= 0,60<br />
55
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