rigidity of a footing


I'm new here and i can not speak English very good..I'm sorry for this..I want to ask about the rigidity of a footing.How can we measure the rigidity at a laboratory?I know that exist a suitable instrument which works like the 'bridge of Wheatstone". Is it true and if is, what is it exactly? Thanks

Soil Mechanics / Geotechnical Design Shallow Foundations

Asked 01/09/2009 21:55, updated: 12/06/2013 12:43
Aliakou