CONTENTS 



INTRODUCTION 1 



Background 1 



Scope 1 



SELECTION OF PILE EMPLACEMENT SYSTEM CONCEPT 2 



Operating Requirements , 2 



Common Design Characteristics 3 



Vibratory Driver Systems . 6 



Jack-In System ..... 1 



Screw-Pile System 7 



Comparison of Conceptual Designs 8 



Discussion 10 



PRELIMINARY DESIGN OF PILOT -MODEL EMPLACEMENT SYSTEM 13 



General 13 



Foundation/Anchorage Subsystem 15 



Installation Subsystem 16 



Electrical Subsystem 17 



Control and Feedback Subsystem 18 



Load Handling and Surface Support Subsystem 19 



SIMPLIFIED, LIMITED-CAPABILITY SYSTEM FOR ANCHORAGES 19 



CONCLUSIONS AND RECOMMENDATIONS 21 



ACKNOWLEDGEMENTS 21 



REFERENCES , .... 22 



