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Earthquake Engineering for Structural Design
a closed stress-strain curve in the whole loading-unloading process. This hysteresis loop
is representative of the energy dissipation capacity, which can be exploited in seismic
resistant structures.
One must mention that this material is very expensive; so, it can be used only in
small quantities as a part of some special devices.
Stress
Highstrengthsteel Mildsteel
Strain
(a)
Stress (MPa)
Strain(%)
(b)
Figure 8.37
Steel types used in structure configuration; (a) High strength steel
(FEMA 403, 2002); (b) Low yield steel (Formisano et al, 2006)
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