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RE: Shear Walls

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>>> The
>>> shear walls, depending on the configuration and sizes, provides some
>>> measure
>>> of deformation control.  Given that the frames are taking most of the
>>> vertical loading, axial load on the walls is usually pretty low,
allowing
>>> them to exhibit good hysteretic behavior.
>>>
>
>Well I wouldn't say that if I don't see the building plans, maybe
>overturning moment gives the wall a big axial load, which is good, at least
>for concrete.
>
>

A big axial load is good for concrete, but it reduces the ductility capacity
of the section. I think that's what Mr. Gillian meant by saying that lower
axial load improved the hysteretic behaviour.

Rodrigo Lema.