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RE: Finite Element Modeling

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We typically use plate elements (RISA 3D) with thickness set by the cracked
section moment of inertia. Then, i typically place an out of plane spring
at each joint with the spring stiffness based on the coeffiecient of
subgrade reaction and the allowable settlement.

Yours etc., 


Original Message:
From:  GSKWY(--nospam--at)
Date: Tue, 16 Dec 2003 08:03:36 EST
To: seaint(--nospam--at)
Subject: Finite Element Modeling

When using finite element analysis to model a concrete slab on ground, 
would be the advantage of using elastic blocks, rigid blocks, and torsion
to model the slab rather than shell elements?

In general,  what elements are people using to model slabs on ground?

Gail Kelley

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