A          Treated So. Yel. Pine

            32.34 Mid. Cir. (field measure)

            17.4 cu. ft. x 53#/cu. ft. = 922.2 lbs

 

            X                                             W=

                                         M=

 

                                              

                                                                                    H=5

                                                                                   

                                                                                    S=Avg Pen/5 blows

 

                        A

B                                  

                       

                        A         

                         C                                                                       

                                      4                                                        

                            

      1                                                                

                                                sine A =

                                    Batter Factor (1:4) = cosine A – (f sine A)                       f=0.10

                                                                   = 0.97014 – (0.10) (0.24254)                                                           

                                                                   = 0.94589

 

C                                    

 

                                       

 

D                                  Required bearing 28 Tons                      Batter 1:4                      s=?

 

                                   

106.31
 


                                   

 

                                   

Note:  This procedure shows maximum penetration to obtain plan formula bearing.  Use actual penetration in the formula to get formula bearing.

Only data in A & C above, if applicable, needs to be shown on the back side of the Log of Piling.