Slope Stability AG-220616-RPT-G-01_[Rev A]

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TABLE 2: DEEP LEVEL FOOTING – ULTIMATE GEOTECHNICAL PARAMETERS (LONG PILE)

                  Material                                       Bored                                    Bored

                                                               Fb (kPa)                                 Fs (kPa)
        Very low strength sandstone*                              1800                                      90
      Notes: Fb = Base Bearing (Ultimate); Fs = Shaft Adhesion (Ultimate), *inferred to be the “distinctly weathered rock”
                                   encountered in the previous geotechnical investigation.


The upper 1 m of soil profile should be ignored in shaft calculations for bored piles to allow for shrinkage cracks. The
values presented in Table 2 assume that the material equal to four pile diameters below the base of any footings is
as strong or stronger.
Settlement values are subjected to a variety of factors; however, a properly designed and constructed pile should
have a serviceability settlement between 1% and 2% of its’ diameter.




ATTACHMENTS
About Your Geotechnical Report
Interpretation of the Subsurface Sheets
Client Supplied Information (Soil Report by others)
Foundation Maintenance and Footing Performance: A Homeowner’s Guide




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