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 Driven or Drilled Piles 118 



Pre-stressed Tendons 120 



Plate Anchor - Sinkhole Combination .120 



Conclusions and Recommendations 121 



SUMMARY 121 



Deadweight Anchor 121 



Pile Anchor 122 



Plate Anchor 123 



Standard Burial Anchor 123 



CLOSURE 124 



ACKNOWLEDGMENTS ,. . . . 124 



REFERENCES 125 



SYMBOLS 129 



IX 



