FOREWORD 



This report was prepared for presentation at "Recent Developments 

 in Ocean Engineering," sponsored by the University of California at 

 Berkeley in January 1981. It was written in outline format to provide a 

 practical up-to-date guide for the practicing engineer to enable selec- 

 tion and sizing of common anchor types including direct embedment anchors, 

 deadweight anchors , drag embedment anchors , and pile anchors . 



For each anchor type, the report includes site survey recommendations, 

 briefly describes various anchors within each anchor category, presents 

 methods for determining anchor performance and, in certain cases, suggests 

 practical options for improving poor anchor behavior. 



The topic of anchor design is broad, and this report does not 

 pretend to provide complete solutions for all anchor selection and 

 design problems. However, it does provide state-of-practice solutions 

 to most general anchoring problems and makes the designer more aware of 

 his options and the limitations of each anchor type. For complex or 

 critical anchoring applications, the reader is referred to sources of 

 information and references that are provided throughout the report. 



A majority of the information presented in this report was taken 

 from published and unpublished reports by the Foundation Engineering 

 Division of the Naval Civil Engineering Laboratory under the sponsorship 

 of the Naval Facilities Engineering Command and the Department of Energy. 



