Working Pile Load Test for Bridges

I presume that you're to the Osterberg Cell (O-Cell) Test Procedure, and are installing drilled reinforced concrete piles, or are you installing driven piles?

Please refer to the following link and pay particular attention to the Conclusion and Additional Comments sections of the paper:

http://www.loadtest.com/papers/CaseHistories.pdf

Please note that the aforementioned construction and testing procedure is propriatory and owned by LOADTEST, INC..

Here's a Technical Specification section from the State of Conn. DOT:

http://www.ct.gov/lib/dot/documents/dsoils/ConnDOTGuidecellSpec.pdf

Other important presentation papers you must read:

http://www/fellenius.net/papers/241 O-Cell presentation.pdf

http://www.pile.com/reference/2009IFCEE/076.pdf

http://ntl/bts.gov/lib/37000/37800/37871/ts_470.pdf

You may want to visit the websites of the FHWA, AASHTO, and USACE for additional information regarding the O-Cell testing procedure of piles.