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whether footings behave like rigid or a flexible?
Posted September 3rd, 2010 by ajeet_08
Project: | www.sefindia.org |
Component: | Miscellaneous |
Category: | support request |
Priority: | normal |
Assigned: | ajeet_08 |
Status: | active |
Description
Dear All
Sub:-whether footings behave like rigid or a flexible?
Where ever we start footing design the assumption is footing rigid or flexible but problem is that how we will know the footing is rigid or flexible?
There are some Author mention that:
If Kr(Relative stiffness factor)=(EcxD^3)/(12EsB^3)>0.5
Here Es=modulus of elasticity of foundation siol
Ec=modulis of elasticity of concrete
Then footing will be rigid.
So here I would like to confirm this thing is sufficient to check whether footing rigid or not
Regards
Ajeet Singh